mirror of https://github.com/apache/lucene.git
SOLR-8888: Add shortestPath Streaming Expression
This commit is contained in:
jbernste
parent
7263491d8e
commit
3500b45d6d
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@ -28,6 +28,7 @@ import java.util.Map.Entry;
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import org.apache.solr.client.solrj.io.SolrClientCache;
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import org.apache.solr.client.solrj.io.Tuple;
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import org.apache.solr.client.solrj.io.comp.StreamComparator;
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import org.apache.solr.client.solrj.io.graph.ShortestPathStream;
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import org.apache.solr.client.solrj.io.ops.ConcatOperation;
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import org.apache.solr.client.solrj.io.ops.DistinctOperation;
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import org.apache.solr.client.solrj.io.ops.GroupOperation;
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@ -115,6 +116,7 @@ public class StreamHandler extends RequestHandlerBase implements SolrCoreAware,
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.withFunctionName("complement", ComplementStream.class)
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.withFunctionName("daemon", DaemonStream.class)
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.withFunctionName("topic", TopicStream.class)
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.withFunctionName("shortestPath", ShortestPathStream.class)
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// metrics
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@ -0,0 +1,490 @@
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package org.apache.solr.client.solrj.io.graph;
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import java.io.IOException;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.Locale;
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import java.util.Map;
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import java.util.Set;
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import java.util.ArrayList;
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import java.util.concurrent.Callable;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.Future;
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import org.apache.solr.client.solrj.io.eq.MultipleFieldEqualitor;
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import org.apache.solr.client.solrj.io.stream.*;
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import org.apache.solr.client.solrj.io.Tuple;
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import org.apache.solr.client.solrj.io.comp.StreamComparator;
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import org.apache.solr.client.solrj.io.eq.FieldEqualitor;
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import org.apache.solr.client.solrj.io.stream.expr.Expressible;
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import org.apache.solr.client.solrj.io.stream.expr.StreamExpression;
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import org.apache.solr.client.solrj.io.stream.expr.StreamExpressionNamedParameter;
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import org.apache.solr.client.solrj.io.stream.expr.StreamExpressionParameter;
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import org.apache.solr.client.solrj.io.stream.expr.StreamExpressionValue;
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import org.apache.solr.client.solrj.io.stream.expr.StreamFactory;
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import org.apache.solr.common.util.ExecutorUtil;
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import org.apache.solr.common.util.SolrjNamedThreadFactory;
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public class ShortestPathStream extends TupleStream implements Expressible {
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private static final long serialVersionUID = 1;
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private String fromNode;
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private String toNode;
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private String fromField;
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private String toField;
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private int joinBatchSize;
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private int maxDepth;
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private String zkHost;
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private String collection;
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private LinkedList<Tuple> shortestPaths = new LinkedList();
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private boolean found;
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private StreamContext streamContext;
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private int threads;
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private Map queryParams;
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public ShortestPathStream(String zkHost,
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String collection,
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String fromNode,
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String toNode,
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String fromField,
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String toField,
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Map queryParams,
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int joinBatchSize,
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int threads,
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int maxDepth) {
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init(zkHost,
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collection,
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fromNode,
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toNode,
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fromField,
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toField,
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queryParams,
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joinBatchSize,
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threads,
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maxDepth);
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}
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public ShortestPathStream(StreamExpression expression, StreamFactory factory) throws IOException {
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String collectionName = factory.getValueOperand(expression, 0);
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List<StreamExpressionNamedParameter> namedParams = factory.getNamedOperands(expression);
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StreamExpressionNamedParameter zkHostExpression = factory.getNamedOperand(expression, "zkHost");
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// Collection Name
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if(null == collectionName) {
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throw new IOException(String.format(Locale.ROOT,"invalid expression %s - collectionName expected as first operand",expression));
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}
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String fromNode = null;
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StreamExpressionNamedParameter fromExpression = factory.getNamedOperand(expression, "from");
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if(fromExpression == null) {
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throw new IOException(String.format(Locale.ROOT,"invalid expression %s - from param is required",expression));
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} else {
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fromNode = ((StreamExpressionValue)fromExpression.getParameter()).getValue();
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}
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String toNode = null;
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StreamExpressionNamedParameter toExpression = factory.getNamedOperand(expression, "to");
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if(toExpression == null) {
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throw new IOException(String.format(Locale.ROOT,"invalid expression %s - to param is required", expression));
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} else {
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toNode = ((StreamExpressionValue)toExpression.getParameter()).getValue();
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}
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String fromField = null;
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String toField = null;
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StreamExpressionNamedParameter edgeExpression = factory.getNamedOperand(expression, "edge");
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if(edgeExpression == null) {
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throw new IOException(String.format(Locale.ROOT,"invalid expression %s - edge param is required", expression));
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} else {
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String edge = ((StreamExpressionValue)edgeExpression.getParameter()).getValue();
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String[] fields = edge.split("=");
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if(fields.length != 2) {
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throw new IOException(String.format(Locale.ROOT,"invalid expression %s - edge param separated by and = and must contain two fields", expression));
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}
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fromField = fields[0].trim();
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toField = fields[1].trim();
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}
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int threads = 6;
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StreamExpressionNamedParameter threadsExpression = factory.getNamedOperand(expression, "threads");
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if(threadsExpression != null) {
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threads = Integer.parseInt(((StreamExpressionValue)threadsExpression.getParameter()).getValue());
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}
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int partitionSize = 250;
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StreamExpressionNamedParameter partitionExpression = factory.getNamedOperand(expression, "partitionSize");
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if(partitionExpression != null) {
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partitionSize = Integer.parseInt(((StreamExpressionValue)partitionExpression.getParameter()).getValue());
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}
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int maxDepth = 0;
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StreamExpressionNamedParameter depthExpression = factory.getNamedOperand(expression, "maxDepth");
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if(depthExpression == null) {
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throw new IOException(String.format(Locale.ROOT,"invalid expression %s - maxDepth param is required", expression));
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} else {
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maxDepth = Integer.parseInt(((StreamExpressionValue) depthExpression.getParameter()).getValue());
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}
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Map<String,String> params = new HashMap<String,String>();
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for(StreamExpressionNamedParameter namedParam : namedParams){
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if(!namedParam.getName().equals("zkHost") &&
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!namedParam.getName().equals("to") &&
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!namedParam.getName().equals("from") &&
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!namedParam.getName().equals("edge") &&
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!namedParam.getName().equals("maxDepth") &&
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!namedParam.getName().equals("threads") &&
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!namedParam.getName().equals("partitionSize"))
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{
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params.put(namedParam.getName(), namedParam.getParameter().toString().trim());
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}
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}
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// zkHost, optional - if not provided then will look into factory list to get
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String zkHost = null;
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if(null == zkHostExpression){
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zkHost = factory.getCollectionZkHost(collectionName);
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if(zkHost == null) {
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zkHost = factory.getDefaultZkHost();
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}
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} else if(zkHostExpression.getParameter() instanceof StreamExpressionValue) {
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zkHost = ((StreamExpressionValue)zkHostExpression.getParameter()).getValue();
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}
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if(null == zkHost){
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throw new IOException(String.format(Locale.ROOT,"invalid expression %s - zkHost not found for collection '%s'",expression,collectionName));
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}
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// We've got all the required items
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init(zkHost, collectionName, fromNode, toNode, fromField, toField, params, partitionSize, threads, maxDepth);
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}
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private void init(String zkHost,
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String collection,
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String fromNode,
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String toNode,
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String fromField,
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String toField,
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Map queryParams,
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int joinBatchSize,
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int threads,
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int maxDepth) {
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this.zkHost = zkHost;
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this.collection = collection;
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this.fromNode = fromNode;
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this.toNode = toNode;
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this.fromField = fromField;
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this.toField = toField;
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this.queryParams = queryParams;
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this.joinBatchSize = joinBatchSize;
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this.threads = threads;
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this.maxDepth = maxDepth;
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}
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@Override
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public StreamExpressionParameter toExpression(StreamFactory factory) throws IOException {
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StreamExpression expression = new StreamExpression(factory.getFunctionName(this.getClass()));
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// collection
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expression.addParameter(collection);
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Set<Map.Entry> entries = queryParams.entrySet();
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// parameters
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for(Map.Entry param : entries){
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String value = param.getValue().toString();
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// SOLR-8409: This is a special case where the params contain a " character
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// Do note that in any other BASE streams with parameters where a " might come into play
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// that this same replacement needs to take place.
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value = value.replace("\"", "\\\"");
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expression.addParameter(new StreamExpressionNamedParameter(param.getKey().toString(), value));
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}
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expression.addParameter(new StreamExpressionNamedParameter("zkHost", zkHost));
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expression.addParameter(new StreamExpressionNamedParameter("maxDepth", Integer.toString(maxDepth)));
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expression.addParameter(new StreamExpressionNamedParameter("threads", Integer.toString(threads)));
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expression.addParameter(new StreamExpressionNamedParameter("partitionSize", Integer.toString(joinBatchSize)));
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expression.addParameter(new StreamExpressionNamedParameter("from", fromNode));
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expression.addParameter(new StreamExpressionNamedParameter("to", toNode));
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expression.addParameter(new StreamExpressionNamedParameter("edge", fromField+"="+toField));
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return expression;
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}
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public void setStreamContext(StreamContext context) {
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this.streamContext = context;
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}
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public List<TupleStream> children() {
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List<TupleStream> l = new ArrayList();
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return l;
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}
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public void open() throws IOException {
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List<Map<String,List<String>>> allVisited = new ArrayList();
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Map visited = new HashMap();
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visited.put(this.fromNode, null);
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allVisited.add(visited);
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int depth = 0;
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Map<String, List<String>> nextVisited = null;
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List<Edge> targets = new ArrayList();
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ExecutorService threadPool = null;
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try {
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threadPool = ExecutorUtil.newMDCAwareFixedThreadPool(threads, new SolrjNamedThreadFactory("ShortestPathStream"));
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//Breadth first search
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TRAVERSE:
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while (targets.size() == 0 && depth < maxDepth) {
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Set<String> nodes = visited.keySet();
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Iterator<String> it = nodes.iterator();
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nextVisited = new HashMap();
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int batchCount = 0;
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List<String> queryNodes = new ArrayList();
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List<Future> futures = new ArrayList();
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JOIN:
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//Queue up all the batches
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while (it.hasNext()) {
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String node = it.next();
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queryNodes.add(node);
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++batchCount;
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if (batchCount == joinBatchSize || !it.hasNext()) {
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try {
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JoinRunner joinRunner = new JoinRunner(queryNodes);
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Future<List<Edge>> future = threadPool.submit(joinRunner);
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futures.add(future);
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} catch (Exception e) {
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throw new RuntimeException(e);
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}
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batchCount = 0;
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queryNodes = new ArrayList();
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}
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}
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try {
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//Process the batches as they become available
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OUTER:
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for (Future<List<Edge>> future : futures) {
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List<Edge> edges = future.get();
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INNER:
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for (Edge edge : edges) {
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if (toNode.equals(edge.to)) {
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targets.add(edge);
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if(nextVisited.containsKey(edge.to)) {
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List<String> parents = nextVisited.get(edge.to);
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parents.add(edge.from);
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} else {
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List<String> parents = new ArrayList();
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parents.add(edge.from);
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nextVisited.put(edge.to, parents);
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}
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} else {
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if (!cycle(edge.to, allVisited)) {
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if(nextVisited.containsKey(edge.to)) {
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List<String> parents = nextVisited.get(edge.to);
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parents.add(edge.from);
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} else {
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List<String> parents = new ArrayList();
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parents.add(edge.from);
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nextVisited.put(edge.to, parents);
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}
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}
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}
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}
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}
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} catch (Exception e) {
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throw new RuntimeException(e);
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}
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allVisited.add(nextVisited);
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visited = nextVisited;
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++depth;
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}
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} finally {
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threadPool.shutdown();
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}
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Set<String> finalPaths = new HashSet();
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if(targets.size() > 0) {
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for(Edge edge : targets) {
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List<LinkedList> paths = new ArrayList();
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LinkedList<String> path = new LinkedList();
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path.addFirst(edge.to);
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paths.add(path);
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//Walk back up the tree a collect the parent nodes.
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INNER:
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for (int i = allVisited.size() - 1; i >= 0; --i) {
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Map<String, List<String>> v = allVisited.get(i);
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Iterator<LinkedList> it = paths.iterator();
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List newPaths = new ArrayList();
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while(it.hasNext()) {
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LinkedList p = it.next();
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List<String> parents = v.get(p.peekFirst());
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if (parents != null) {
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for(String parent : parents) {
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LinkedList newPath = new LinkedList();
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newPath.addAll(p);
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newPath.addFirst(parent);
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newPaths.add(newPath);
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}
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paths = newPaths;
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}
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}
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}
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for(LinkedList p : paths) {
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String s = p.toString();
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if (!finalPaths.contains(s)){
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Tuple shortestPath = new Tuple(new HashMap());
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shortestPath.put("path", p);
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shortestPaths.add(shortestPath);
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finalPaths.add(s);
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}
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}
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}
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}
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}
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private class JoinRunner implements Callable<List<Edge>> {
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private List<String> nodes;
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private List<Edge> edges = new ArrayList();
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public JoinRunner(List<String> nodes) {
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this.nodes = nodes;
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}
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public List<Edge> call() {
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Map joinParams = new HashMap();
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String fl = fromField + "," + toField;
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joinParams.putAll(queryParams);
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joinParams.put("fl", fl);
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joinParams.put("qt", "/export");
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joinParams.put("sort", toField + " asc,"+fromField +" asc");
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StringBuffer nodeQuery = new StringBuffer();
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for(String node : nodes) {
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nodeQuery.append(node).append(" ");
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}
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String q = fromField + ":(" + nodeQuery.toString().trim() + ")";
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joinParams.put("q", q);
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TupleStream stream = null;
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try {
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stream = new UniqueStream(new CloudSolrStream(zkHost, collection, joinParams), new MultipleFieldEqualitor(new FieldEqualitor(toField), new FieldEqualitor(fromField)));
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stream.setStreamContext(streamContext);
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stream.open();
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BATCH:
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while (true) {
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Tuple tuple = stream.read();
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if (tuple.EOF) {
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break BATCH;
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}
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String _toNode = tuple.getString(toField);
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String _fromNode = tuple.getString(fromField);
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Edge edge = new Edge(_fromNode, _toNode);
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edges.add(edge);
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}
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} catch (Exception e) {
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throw new RuntimeException(e);
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} finally {
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try {
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stream.close();
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} catch(Exception ce) {
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throw new RuntimeException(ce);
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}
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}
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return edges;
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}
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}
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private class Edge {
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private String from;
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private String to;
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public Edge(String from, String to) {
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this.from = from;
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this.to = to;
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}
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}
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private boolean cycle(String node, List<Map<String,List<String>>> allVisited) {
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//Check all visited trees for each level to see if we've encountered this node before.
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for(Map<String, List<String>> visited : allVisited) {
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if(visited.containsKey(node)) {
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return true;
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}
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}
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return false;
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}
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public void close() throws IOException {
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this.found = false;
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}
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public Tuple read() throws IOException {
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if(shortestPaths.size() > 0) {
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found = true;
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Tuple t = shortestPaths.removeFirst();
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return t;
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} else {
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Map m = new HashMap();
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m.put("EOF", true);
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if(!found) {
|
||||
m.put("sorry", "No path found");
|
||||
}
|
||||
return new Tuple(m);
|
||||
}
|
||||
}
|
||||
|
||||
public int getCost() {
|
||||
return 0;
|
||||
}
|
||||
|
||||
@Override
|
||||
public StreamComparator getStreamSort() {
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,22 @@
|
|||
/*
|
||||
* Licensed to the Apache Software Foundation (ASF) under one or more
|
||||
* contributor license agreements. See the NOTICE file distributed with
|
||||
* this work for additional information regarding copyright ownership.
|
||||
* The ASF licenses this file to You under the Apache License, Version 2.0
|
||||
* (the "License"); you may not use this file except in compliance with
|
||||
* the License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
/**
|
||||
* Streaming Graph Traversals
|
||||
**/
|
||||
package org.apache.solr.client.solrj.io.graph;
|
||||
|
||||
|
|
@ -0,0 +1,404 @@
|
|||
package org.apache.solr.client.solrj.io.graph;
|
||||
|
||||
/*
|
||||
* Licensed to the Apache Software Foundation (ASF) under one or more
|
||||
* contributor license agreements. See the NOTICE file distributed with
|
||||
* this work for additional information regarding copyright ownership.
|
||||
* The ASF licenses this file to You under the Apache License, Version 2.0
|
||||
* (the "License"); you may not use this file except in compliance with
|
||||
* the License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
import java.io.File;
|
||||
import java.io.IOException;
|
||||
import java.util.ArrayList;
|
||||
import java.util.HashMap;
|
||||
import java.util.HashSet;
|
||||
import java.util.List;
|
||||
import java.util.Locale;
|
||||
import java.util.Map;
|
||||
import java.util.Set;
|
||||
|
||||
import org.apache.lucene.util.LuceneTestCase;
|
||||
import org.apache.lucene.util.LuceneTestCase.Slow;
|
||||
import org.apache.solr.client.solrj.io.SolrClientCache;
|
||||
import org.apache.solr.client.solrj.io.Tuple;
|
||||
import org.apache.solr.client.solrj.io.stream.*;
|
||||
import org.apache.solr.client.solrj.io.stream.expr.StreamFactory;
|
||||
import org.apache.solr.cloud.AbstractFullDistribZkTestBase;
|
||||
import org.apache.solr.cloud.AbstractZkTestCase;
|
||||
import org.apache.solr.common.SolrInputDocument;
|
||||
import org.junit.After;
|
||||
import org.junit.AfterClass;
|
||||
import org.junit.Before;
|
||||
import org.junit.BeforeClass;
|
||||
import org.junit.Test;
|
||||
|
||||
/**
|
||||
* All base tests will be done with CloudSolrStream. Under the covers CloudSolrStream uses SolrStream so
|
||||
* SolrStream will get fully exercised through these tests.
|
||||
*
|
||||
**/
|
||||
|
||||
@Slow
|
||||
@LuceneTestCase.SuppressCodecs({"Lucene3x", "Lucene40","Lucene41","Lucene42","Lucene45"})
|
||||
public class GraphExpressionTest extends AbstractFullDistribZkTestBase {
|
||||
|
||||
private static final String SOLR_HOME = getFile("solrj" + File.separator + "solr").getAbsolutePath();
|
||||
|
||||
static {
|
||||
schemaString = "schema-streaming.xml";
|
||||
}
|
||||
|
||||
@BeforeClass
|
||||
public static void beforeSuperClass() {
|
||||
AbstractZkTestCase.SOLRHOME = new File(SOLR_HOME());
|
||||
}
|
||||
|
||||
@AfterClass
|
||||
public static void afterSuperClass() {
|
||||
|
||||
}
|
||||
|
||||
protected String getCloudSolrConfig() {
|
||||
return "solrconfig-streaming.xml";
|
||||
}
|
||||
|
||||
|
||||
@Override
|
||||
public String getSolrHome() {
|
||||
return SOLR_HOME;
|
||||
}
|
||||
|
||||
public static String SOLR_HOME() {
|
||||
return SOLR_HOME;
|
||||
}
|
||||
|
||||
@Before
|
||||
@Override
|
||||
public void setUp() throws Exception {
|
||||
super.setUp();
|
||||
// we expect this time of exception as shards go up and down...
|
||||
//ignoreException(".*");
|
||||
|
||||
System.setProperty("numShards", Integer.toString(sliceCount));
|
||||
}
|
||||
|
||||
@Override
|
||||
@After
|
||||
public void tearDown() throws Exception {
|
||||
super.tearDown();
|
||||
resetExceptionIgnores();
|
||||
}
|
||||
|
||||
public GraphExpressionTest() {
|
||||
super();
|
||||
sliceCount = 2;
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testAll() throws Exception{
|
||||
assertNotNull(cloudClient);
|
||||
|
||||
handle.clear();
|
||||
handle.put("timestamp", SKIPVAL);
|
||||
|
||||
waitForRecoveriesToFinish(false);
|
||||
|
||||
del("*:*");
|
||||
commit();
|
||||
|
||||
testShortestPathStream();
|
||||
}
|
||||
|
||||
private void testShortestPathStream() throws Exception {
|
||||
|
||||
indexr(id, "0", "from_s", "jim", "to_s", "mike", "predicate_s", "knows");
|
||||
indexr(id, "1", "from_s", "jim", "to_s", "dave", "predicate_s", "knows");
|
||||
indexr(id, "2", "from_s", "jim", "to_s", "stan", "predicate_s", "knows");
|
||||
indexr(id, "3", "from_s", "dave", "to_s", "stan", "predicate_s", "knows");
|
||||
indexr(id, "4", "from_s", "dave", "to_s", "bill", "predicate_s", "knows");
|
||||
indexr(id, "5", "from_s", "dave", "to_s", "mike", "predicate_s", "knows");
|
||||
indexr(id, "20", "from_s", "dave", "to_s", "alex", "predicate_s", "knows");
|
||||
indexr(id, "21", "from_s", "alex", "to_s", "steve", "predicate_s", "knows");
|
||||
indexr(id, "6", "from_s", "stan", "to_s", "alice", "predicate_s", "knows");
|
||||
indexr(id, "7", "from_s", "stan", "to_s", "mary", "predicate_s", "knows");
|
||||
indexr(id, "8", "from_s", "stan", "to_s", "dave", "predicate_s", "knows");
|
||||
indexr(id, "10", "from_s", "mary", "to_s", "mike", "predicate_s", "knows");
|
||||
indexr(id, "11", "from_s", "mary", "to_s", "max", "predicate_s", "knows");
|
||||
indexr(id, "12", "from_s", "mary", "to_s", "jim", "predicate_s", "knows");
|
||||
indexr(id, "13", "from_s", "mary", "to_s", "steve", "predicate_s", "knows");
|
||||
|
||||
commit();
|
||||
|
||||
List<Tuple> tuples = null;
|
||||
Set<String> paths = null;
|
||||
ShortestPathStream stream = null;
|
||||
StreamContext context = new StreamContext();
|
||||
SolrClientCache cache = new SolrClientCache();
|
||||
context.setSolrClientCache(cache);
|
||||
|
||||
StreamFactory factory = new StreamFactory()
|
||||
.withCollectionZkHost("collection1", zkServer.getZkAddress())
|
||||
.withFunctionName("shortestPath", ShortestPathStream.class);
|
||||
|
||||
Map params = new HashMap();
|
||||
params.put("fq", "predicate_s:knows");
|
||||
|
||||
stream = (ShortestPathStream)factory.constructStream("shortestPath(collection1, " +
|
||||
"from=\"jim\", " +
|
||||
"to=\"steve\"," +
|
||||
"edge=\"from_s=to_s\"," +
|
||||
"fq=\"predicate_s:knows\","+
|
||||
"threads=\"3\","+
|
||||
"partitionSize=\"3\","+
|
||||
"maxDepth=\"6\")");
|
||||
|
||||
stream.setStreamContext(context);
|
||||
paths = new HashSet();
|
||||
tuples = getTuples(stream);
|
||||
|
||||
assertTrue(tuples.size() == 2);
|
||||
|
||||
for(Tuple tuple : tuples) {
|
||||
paths.add(tuple.getStrings("path").toString());
|
||||
}
|
||||
|
||||
assertTrue(paths.contains("[jim, dave, alex, steve]"));
|
||||
assertTrue(paths.contains("[jim, stan, mary, steve]"));
|
||||
|
||||
//Test with batch size of 1
|
||||
|
||||
params.put("fq", "predicate_s:knows");
|
||||
|
||||
stream = (ShortestPathStream)factory.constructStream("shortestPath(collection1, " +
|
||||
"from=\"jim\", " +
|
||||
"to=\"steve\"," +
|
||||
"edge=\"from_s=to_s\"," +
|
||||
"fq=\"predicate_s:knows\","+
|
||||
"threads=\"3\","+
|
||||
"partitionSize=\"1\","+
|
||||
"maxDepth=\"6\")");
|
||||
|
||||
stream.setStreamContext(context);
|
||||
paths = new HashSet();
|
||||
tuples = getTuples(stream);
|
||||
|
||||
assertTrue(tuples.size() == 2);
|
||||
|
||||
for(Tuple tuple : tuples) {
|
||||
paths.add(tuple.getStrings("path").toString());
|
||||
}
|
||||
|
||||
assertTrue(paths.contains("[jim, dave, alex, steve]"));
|
||||
assertTrue(paths.contains("[jim, stan, mary, steve]"));
|
||||
|
||||
//Test with bad predicate
|
||||
|
||||
|
||||
stream = (ShortestPathStream)factory.constructStream("shortestPath(collection1, " +
|
||||
"from=\"jim\", " +
|
||||
"to=\"steve\"," +
|
||||
"edge=\"from_s=to_s\"," +
|
||||
"fq=\"predicate_s:crap\","+
|
||||
"threads=\"3\","+
|
||||
"partitionSize=\"3\","+
|
||||
"maxDepth=\"6\")");
|
||||
|
||||
stream.setStreamContext(context);
|
||||
paths = new HashSet();
|
||||
tuples = getTuples(stream);
|
||||
|
||||
assertTrue(tuples.size() == 0);
|
||||
|
||||
//Test with depth 2
|
||||
|
||||
stream = (ShortestPathStream)factory.constructStream("shortestPath(collection1, " +
|
||||
"from=\"jim\", " +
|
||||
"to=\"steve\"," +
|
||||
"edge=\"from_s=to_s\"," +
|
||||
"fq=\"predicate_s:knows\","+
|
||||
"threads=\"3\","+
|
||||
"partitionSize=\"3\","+
|
||||
"maxDepth=\"2\")");
|
||||
|
||||
|
||||
stream.setStreamContext(context);
|
||||
tuples = getTuples(stream);
|
||||
|
||||
assertTrue(tuples.size() == 0);
|
||||
|
||||
//Take out alex
|
||||
params.put("fq", "predicate_s:knows NOT to_s:alex");
|
||||
|
||||
stream = (ShortestPathStream)factory.constructStream("shortestPath(collection1, " +
|
||||
"from=\"jim\", " +
|
||||
"to=\"steve\"," +
|
||||
"edge=\"from_s=to_s\"," +
|
||||
"fq=\" predicate_s:knows NOT to_s:alex\","+
|
||||
"threads=\"3\","+
|
||||
"partitionSize=\"3\","+
|
||||
"maxDepth=\"6\")");
|
||||
|
||||
|
||||
stream.setStreamContext(context);
|
||||
paths = new HashSet();
|
||||
tuples = getTuples(stream);
|
||||
assertTrue(tuples.size() == 1);
|
||||
|
||||
for(Tuple tuple : tuples) {
|
||||
paths.add(tuple.getStrings("path").toString());
|
||||
}
|
||||
|
||||
assertTrue(paths.contains("[jim, stan, mary, steve]"));
|
||||
|
||||
cache.close();
|
||||
del("*:*");
|
||||
commit();
|
||||
}
|
||||
|
||||
protected List<Tuple> getTuples(TupleStream tupleStream) throws IOException {
|
||||
tupleStream.open();
|
||||
List<Tuple> tuples = new ArrayList<Tuple>();
|
||||
for(Tuple t = tupleStream.read(); !t.EOF; t = tupleStream.read()) {
|
||||
tuples.add(t);
|
||||
}
|
||||
tupleStream.close();
|
||||
return tuples;
|
||||
}
|
||||
protected boolean assertOrder(List<Tuple> tuples, int... ids) throws Exception {
|
||||
return assertOrderOf(tuples, "id", ids);
|
||||
}
|
||||
protected boolean assertOrderOf(List<Tuple> tuples, String fieldName, int... ids) throws Exception {
|
||||
int i = 0;
|
||||
for(int val : ids) {
|
||||
Tuple t = tuples.get(i);
|
||||
Long tip = (Long)t.get(fieldName);
|
||||
if(tip.intValue() != val) {
|
||||
throw new Exception("Found value:"+tip.intValue()+" expecting:"+val);
|
||||
}
|
||||
++i;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
protected boolean assertMapOrder(List<Tuple> tuples, int... ids) throws Exception {
|
||||
int i = 0;
|
||||
for(int val : ids) {
|
||||
Tuple t = tuples.get(i);
|
||||
List<Map> tip = t.getMaps("group");
|
||||
int id = (int)tip.get(0).get("id");
|
||||
if(id != val) {
|
||||
throw new Exception("Found value:"+id+" expecting:"+val);
|
||||
}
|
||||
++i;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
protected boolean assertFields(List<Tuple> tuples, String ... fields) throws Exception{
|
||||
for(Tuple tuple : tuples){
|
||||
for(String field : fields){
|
||||
if(!tuple.fields.containsKey(field)){
|
||||
throw new Exception(String.format(Locale.ROOT, "Expected field '%s' not found", field));
|
||||
}
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
protected boolean assertNotFields(List<Tuple> tuples, String ... fields) throws Exception{
|
||||
for(Tuple tuple : tuples){
|
||||
for(String field : fields){
|
||||
if(tuple.fields.containsKey(field)){
|
||||
throw new Exception(String.format(Locale.ROOT, "Unexpected field '%s' found", field));
|
||||
}
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
protected boolean assertGroupOrder(Tuple tuple, int... ids) throws Exception {
|
||||
List<?> group = (List<?>)tuple.get("tuples");
|
||||
int i=0;
|
||||
for(int val : ids) {
|
||||
Map<?,?> t = (Map<?,?>)group.get(i);
|
||||
Long tip = (Long)t.get("id");
|
||||
if(tip.intValue() != val) {
|
||||
throw new Exception("Found value:"+tip.intValue()+" expecting:"+val);
|
||||
}
|
||||
++i;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
public boolean assertLong(Tuple tuple, String fieldName, long l) throws Exception {
|
||||
long lv = (long)tuple.get(fieldName);
|
||||
if(lv != l) {
|
||||
throw new Exception("Longs not equal:"+l+" : "+lv);
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
public boolean assertString(Tuple tuple, String fieldName, String expected) throws Exception {
|
||||
String actual = (String)tuple.get(fieldName);
|
||||
|
||||
if( (null == expected && null != actual) ||
|
||||
(null != expected && null == actual) ||
|
||||
(null != expected && !expected.equals(actual))){
|
||||
throw new Exception("Longs not equal:"+expected+" : "+actual);
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
protected boolean assertMaps(List<Map> maps, int... ids) throws Exception {
|
||||
if(maps.size() != ids.length) {
|
||||
throw new Exception("Expected id count != actual map count:"+ids.length+":"+maps.size());
|
||||
}
|
||||
|
||||
int i=0;
|
||||
for(int val : ids) {
|
||||
Map t = maps.get(i);
|
||||
Long tip = (Long)t.get("id");
|
||||
if(tip.intValue() != val) {
|
||||
throw new Exception("Found value:"+tip.intValue()+" expecting:"+val);
|
||||
}
|
||||
++i;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
private boolean assertList(List list, Object... vals) throws Exception {
|
||||
|
||||
if(list.size() != vals.length) {
|
||||
throw new Exception("Lists are not the same size:"+list.size() +" : "+vals.length);
|
||||
}
|
||||
|
||||
for(int i=0; i<list.size(); i++) {
|
||||
Object a = list.get(i);
|
||||
Object b = vals[i];
|
||||
if(!a.equals(b)) {
|
||||
throw new Exception("List items not equals:"+a+" : "+b);
|
||||
}
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
@Override
|
||||
protected void indexr(Object... fields) throws Exception {
|
||||
SolrInputDocument doc = getDoc(fields);
|
||||
indexDoc(doc);
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,387 @@
|
|||
package org.apache.solr.client.solrj.io.graph;
|
||||
|
||||
/*
|
||||
* Licensed to the Apache Software Foundation (ASF) under one or more
|
||||
* contributor license agreements. See the NOTICE file distributed with
|
||||
* this work for additional information regarding copyright ownership.
|
||||
* The ASF licenses this file to You under the Apache License, Version 2.0
|
||||
* (the "License"); you may not use this file except in compliance with
|
||||
* the License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
import java.io.File;
|
||||
import java.io.IOException;
|
||||
import java.util.ArrayList;
|
||||
import java.util.HashMap;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
|
||||
import org.apache.lucene.util.LuceneTestCase;
|
||||
import org.apache.solr.client.solrj.io.SolrClientCache;
|
||||
import org.apache.solr.client.solrj.io.Tuple;
|
||||
import org.apache.solr.client.solrj.io.stream.StreamContext;
|
||||
import org.apache.solr.client.solrj.io.stream.TupleStream;
|
||||
import org.apache.solr.client.solrj.io.stream.expr.StreamFactory;
|
||||
import org.apache.solr.cloud.AbstractFullDistribZkTestBase;
|
||||
import org.apache.solr.cloud.AbstractZkTestCase;
|
||||
import org.apache.solr.common.SolrInputDocument;
|
||||
import org.junit.After;
|
||||
import org.junit.AfterClass;
|
||||
import org.junit.Before;
|
||||
import org.junit.BeforeClass;
|
||||
import org.junit.Test;
|
||||
|
||||
import java.util.Set;
|
||||
import java.util.HashSet;
|
||||
/**
|
||||
* All base tests will be done with CloudSolrStream. Under the covers CloudSolrStream uses SolrStream so
|
||||
* SolrStream will get fully exercised through these tests.
|
||||
*
|
||||
**/
|
||||
|
||||
@LuceneTestCase.Slow
|
||||
@LuceneTestCase.SuppressCodecs({"Lucene3x", "Lucene40","Lucene41","Lucene42","Lucene45"})
|
||||
public class GraphTest extends AbstractFullDistribZkTestBase {
|
||||
|
||||
private static final String SOLR_HOME = getFile("solrj" + File.separator + "solr").getAbsolutePath();
|
||||
private StreamFactory streamFactory;
|
||||
|
||||
static {
|
||||
schemaString = "schema-streaming.xml";
|
||||
}
|
||||
|
||||
@BeforeClass
|
||||
public static void beforeSuperClass() {
|
||||
AbstractZkTestCase.SOLRHOME = new File(SOLR_HOME());
|
||||
}
|
||||
|
||||
@AfterClass
|
||||
public static void afterSuperClass() {
|
||||
|
||||
}
|
||||
|
||||
protected String getCloudSolrConfig() {
|
||||
return "solrconfig-streaming.xml";
|
||||
}
|
||||
|
||||
|
||||
@Override
|
||||
public String getSolrHome() {
|
||||
return SOLR_HOME;
|
||||
}
|
||||
|
||||
public static String SOLR_HOME() {
|
||||
return SOLR_HOME;
|
||||
}
|
||||
|
||||
@Before
|
||||
@Override
|
||||
public void setUp() throws Exception {
|
||||
super.setUp();
|
||||
// we expect this time of exception as shards go up and down...
|
||||
//ignoreException(".*");
|
||||
//System.setProperty("export.test", "true");
|
||||
System.setProperty("numShards", Integer.toString(sliceCount));
|
||||
}
|
||||
|
||||
@Override
|
||||
@After
|
||||
public void tearDown() throws Exception {
|
||||
super.tearDown();
|
||||
resetExceptionIgnores();
|
||||
}
|
||||
|
||||
public GraphTest() {
|
||||
super();
|
||||
sliceCount = 2;
|
||||
|
||||
}
|
||||
|
||||
private void testShortestPathStream() throws Exception {
|
||||
|
||||
indexr(id, "0", "from_s", "jim", "to_s", "mike", "predicate_s", "knows");
|
||||
indexr(id, "1", "from_s", "jim", "to_s", "dave", "predicate_s", "knows");
|
||||
indexr(id, "2", "from_s", "jim", "to_s", "stan", "predicate_s", "knows");
|
||||
indexr(id, "3", "from_s", "dave", "to_s", "stan", "predicate_s", "knows");
|
||||
indexr(id, "4", "from_s", "dave", "to_s", "bill", "predicate_s", "knows");
|
||||
indexr(id, "5", "from_s", "dave", "to_s", "mike", "predicate_s", "knows");
|
||||
indexr(id, "20", "from_s", "dave", "to_s", "alex", "predicate_s", "knows");
|
||||
indexr(id, "21", "from_s", "alex", "to_s", "steve", "predicate_s", "knows");
|
||||
indexr(id, "6", "from_s", "stan", "to_s", "alice", "predicate_s", "knows");
|
||||
indexr(id, "7", "from_s", "stan", "to_s", "mary", "predicate_s", "knows");
|
||||
indexr(id, "8", "from_s", "stan", "to_s", "dave", "predicate_s", "knows");
|
||||
indexr(id, "10", "from_s", "mary", "to_s", "mike", "predicate_s", "knows");
|
||||
indexr(id, "11", "from_s", "mary", "to_s", "max", "predicate_s", "knows");
|
||||
indexr(id, "12", "from_s", "mary", "to_s", "jim", "predicate_s", "knows");
|
||||
indexr(id, "13", "from_s", "mary", "to_s", "steve", "predicate_s", "knows");
|
||||
|
||||
commit();
|
||||
|
||||
List<Tuple> tuples = null;
|
||||
Set<String> paths = null;
|
||||
ShortestPathStream stream = null;
|
||||
String zkHost = zkServer.getZkAddress();
|
||||
StreamContext context = new StreamContext();
|
||||
SolrClientCache cache = new SolrClientCache();
|
||||
context.setSolrClientCache(cache);
|
||||
|
||||
Map params = new HashMap();
|
||||
params.put("fq", "predicate_s:knows");
|
||||
|
||||
stream = new ShortestPathStream(zkHost,
|
||||
"collection1",
|
||||
"jim",
|
||||
"steve",
|
||||
"from_s",
|
||||
"to_s",
|
||||
params,
|
||||
20,
|
||||
3,
|
||||
6);
|
||||
|
||||
|
||||
|
||||
stream.setStreamContext(context);
|
||||
paths = new HashSet();
|
||||
tuples = getTuples(stream);
|
||||
|
||||
assertTrue(tuples.size() == 2);
|
||||
|
||||
for(Tuple tuple : tuples) {
|
||||
paths.add(tuple.getStrings("path").toString());
|
||||
}
|
||||
|
||||
assertTrue(paths.contains("[jim, dave, alex, steve]"));
|
||||
assertTrue(paths.contains("[jim, stan, mary, steve]"));
|
||||
|
||||
//Test with batch size of 1
|
||||
|
||||
params.put("fq", "predicate_s:knows");
|
||||
|
||||
stream = new ShortestPathStream(zkHost,
|
||||
"collection1",
|
||||
"jim",
|
||||
"steve",
|
||||
"from_s",
|
||||
"to_s",
|
||||
params,
|
||||
1,
|
||||
3,
|
||||
6);
|
||||
|
||||
stream.setStreamContext(context);
|
||||
paths = new HashSet();
|
||||
tuples = getTuples(stream);
|
||||
|
||||
assertTrue(tuples.size() == 2);
|
||||
|
||||
for(Tuple tuple : tuples) {
|
||||
paths.add(tuple.getStrings("path").toString());
|
||||
}
|
||||
|
||||
assertTrue(paths.contains("[jim, dave, alex, steve]"));
|
||||
assertTrue(paths.contains("[jim, stan, mary, steve]"));
|
||||
|
||||
//Test with bad predicate
|
||||
|
||||
params.put("fq", "predicate_s:crap");
|
||||
|
||||
stream = new ShortestPathStream(zkHost,
|
||||
"collection1",
|
||||
"jim",
|
||||
"steve",
|
||||
"from_s",
|
||||
"to_s",
|
||||
params,
|
||||
1,
|
||||
3,
|
||||
6);
|
||||
|
||||
stream.setStreamContext(context);
|
||||
paths = new HashSet();
|
||||
tuples = getTuples(stream);
|
||||
|
||||
assertTrue(tuples.size() == 0);
|
||||
|
||||
//Test with depth 2
|
||||
|
||||
params.put("fq", "predicate_s:knows");
|
||||
|
||||
stream = new ShortestPathStream(zkHost,
|
||||
"collection1",
|
||||
"jim",
|
||||
"steve",
|
||||
"from_s",
|
||||
"to_s",
|
||||
params,
|
||||
1,
|
||||
3,
|
||||
2);
|
||||
|
||||
stream.setStreamContext(context);
|
||||
paths = new HashSet();
|
||||
tuples = getTuples(stream);
|
||||
|
||||
assertTrue(tuples.size() == 0);
|
||||
|
||||
|
||||
|
||||
//Take out alex
|
||||
params.put("fq", "predicate_s:knows NOT to_s:alex");
|
||||
|
||||
stream = new ShortestPathStream(zkHost,
|
||||
"collection1",
|
||||
"jim",
|
||||
"steve",
|
||||
"from_s",
|
||||
"to_s",
|
||||
params,
|
||||
10,
|
||||
3,
|
||||
6);
|
||||
|
||||
stream.setStreamContext(context);
|
||||
paths = new HashSet();
|
||||
tuples = getTuples(stream);
|
||||
assertTrue(tuples.size() == 1);
|
||||
|
||||
for(Tuple tuple : tuples) {
|
||||
paths.add(tuple.getStrings("path").toString());
|
||||
}
|
||||
|
||||
assertTrue(paths.contains("[jim, stan, mary, steve]"));
|
||||
|
||||
cache.close();
|
||||
del("*:*");
|
||||
commit();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void streamTests() throws Exception {
|
||||
assertNotNull(cloudClient);
|
||||
|
||||
handle.clear();
|
||||
handle.put("timestamp", SKIPVAL);
|
||||
|
||||
waitForRecoveriesToFinish(false);
|
||||
|
||||
del("*:*");
|
||||
|
||||
commit();
|
||||
|
||||
testShortestPathStream();
|
||||
|
||||
}
|
||||
|
||||
protected Map mapParams(String... vals) {
|
||||
Map params = new HashMap();
|
||||
String k = null;
|
||||
for(String val : vals) {
|
||||
if(k == null) {
|
||||
k = val;
|
||||
} else {
|
||||
params.put(k, val);
|
||||
k = null;
|
||||
}
|
||||
}
|
||||
|
||||
return params;
|
||||
}
|
||||
|
||||
protected List<Tuple> getTuples(TupleStream tupleStream) throws IOException {
|
||||
tupleStream.open();
|
||||
List<Tuple> tuples = new ArrayList();
|
||||
for(;;) {
|
||||
Tuple t = tupleStream.read();
|
||||
if(t.EOF) {
|
||||
break;
|
||||
} else {
|
||||
tuples.add(t);
|
||||
}
|
||||
}
|
||||
tupleStream.close();
|
||||
return tuples;
|
||||
}
|
||||
|
||||
protected Tuple getTuple(TupleStream tupleStream) throws IOException {
|
||||
tupleStream.open();
|
||||
Tuple t = tupleStream.read();
|
||||
tupleStream.close();
|
||||
return t;
|
||||
}
|
||||
|
||||
|
||||
protected boolean assertOrder(List<Tuple> tuples, int... ids) throws Exception {
|
||||
int i = 0;
|
||||
for(int val : ids) {
|
||||
Tuple t = tuples.get(i);
|
||||
Long tip = (Long)t.get("id");
|
||||
if(tip.intValue() != val) {
|
||||
throw new Exception("Found value:"+tip.intValue()+" expecting:"+val);
|
||||
}
|
||||
++i;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
protected boolean assertGroupOrder(Tuple tuple, int... ids) throws Exception {
|
||||
List group = (List)tuple.get("tuples");
|
||||
int i=0;
|
||||
for(int val : ids) {
|
||||
Map t = (Map)group.get(i);
|
||||
Long tip = (Long)t.get("id");
|
||||
if(tip.intValue() != val) {
|
||||
throw new Exception("Found value:"+tip.intValue()+" expecting:"+val);
|
||||
}
|
||||
++i;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
protected boolean assertMaps(List<Map> maps, int... ids) throws Exception {
|
||||
if(maps.size() != ids.length) {
|
||||
throw new Exception("Expected id count != actual map count:"+ids.length+":"+maps.size());
|
||||
}
|
||||
|
||||
int i=0;
|
||||
for(int val : ids) {
|
||||
Map t = maps.get(i);
|
||||
Long tip = (Long)t.get("id");
|
||||
if(tip.intValue() != val) {
|
||||
throw new Exception("Found value:"+tip.intValue()+" expecting:"+val);
|
||||
}
|
||||
++i;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
public boolean assertLong(Tuple tuple, String fieldName, long l) throws Exception {
|
||||
long lv = (long)tuple.get(fieldName);
|
||||
if(lv != l) {
|
||||
throw new Exception("Longs not equal:"+l+" : "+lv);
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void indexr(Object... fields) throws Exception {
|
||||
SolrInputDocument doc = getDoc(fields);
|
||||
indexDoc(doc);
|
||||
}
|
||||
|
||||
private void attachStreamFactory(TupleStream tupleStream) {
|
||||
StreamContext streamContext = new StreamContext();
|
||||
streamContext.setStreamFactory(streamFactory);
|
||||
tupleStream.setStreamContext(streamContext);
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue