SOLR-8487: Adds CommitStream to support sending commits to a collection being updated

This commit is contained in:
Dennis Gove 2016-10-14 11:43:13 -04:00
parent 5e6a8e7c75
commit edde433594
6 changed files with 641 additions and 1 deletions

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@ -88,6 +88,8 @@ New Features
* SOLR-9103: Restore ability for users to add custom Streaming Expressions (Cao Manh Dat)
* SOLR-8487: Adds CommitStream to support sending commits to a collection being updated (Dennis Gove)
Bug Fixes
----------------------

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@ -35,6 +35,7 @@ import org.apache.solr.client.solrj.io.ops.DistinctOperation;
import org.apache.solr.client.solrj.io.ops.GroupOperation;
import org.apache.solr.client.solrj.io.ops.ReplaceOperation;
import org.apache.solr.client.solrj.io.stream.CloudSolrStream;
import org.apache.solr.client.solrj.io.stream.CommitStream;
import org.apache.solr.client.solrj.io.stream.ComplementStream;
import org.apache.solr.client.solrj.io.stream.DaemonStream;
import org.apache.solr.client.solrj.io.stream.ExceptionStream;
@ -137,6 +138,7 @@ public class StreamHandler extends RequestHandlerBase implements SolrCoreAware,
.withFunctionName("update", UpdateStream.class)
.withFunctionName("jdbc", JDBCStream.class)
.withFunctionName("topic", TopicStream.class)
.withFunctionName("commit", CommitStream.class)
// decorator streams
.withFunctionName("merge", MergeStream.class)

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@ -0,0 +1,260 @@
/*
* 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.
*/
package org.apache.solr.client.solrj.io.stream;
import java.io.IOException;
import java.lang.invoke.MethodHandles;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import org.apache.solr.client.solrj.SolrServerException;
import org.apache.solr.client.solrj.io.SolrClientCache;
import org.apache.solr.client.solrj.io.Tuple;
import org.apache.solr.client.solrj.io.comp.StreamComparator;
import org.apache.solr.client.solrj.io.stream.expr.Explanation;
import org.apache.solr.client.solrj.io.stream.expr.Explanation.ExpressionType;
import org.apache.solr.client.solrj.io.stream.expr.Expressible;
import org.apache.solr.client.solrj.io.stream.expr.StreamExplanation;
import org.apache.solr.client.solrj.io.stream.expr.StreamExpression;
import org.apache.solr.client.solrj.io.stream.expr.StreamExpressionNamedParameter;
import org.apache.solr.client.solrj.io.stream.expr.StreamExpressionValue;
import org.apache.solr.client.solrj.io.stream.expr.StreamFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Sends a commit message to a SolrCloud collection
*/
public class CommitStream extends TupleStream implements Expressible {
private static final long serialVersionUID = 1L;
private static final Logger LOG = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
// Part of expression / passed in
private String collection;
private String zkHost;
private boolean waitFlush;
private boolean waitSearcher;
private boolean softCommit;
private int commitBatchSize;
private TupleStream tupleSource;
private transient SolrClientCache clientCache;
private long docsSinceCommit;
public CommitStream(StreamExpression expression, StreamFactory factory) throws IOException {
String collectionName = factory.getValueOperand(expression, 0);
String zkHost = findZkHost(factory, collectionName, expression);
int batchSize = factory.getIntOperand(expression, "batchSize", 0);
boolean waitFlush = factory.getBooleanOperand(expression, "waitFlush", false);
boolean waitSearcher = factory.getBooleanOperand(expression, "waitSearcher", false);
boolean softCommit = factory.getBooleanOperand(expression, "softCommit", false);
if(null == collectionName){
throw new IOException(String.format(Locale.ROOT,"invalid expression %s - collectionName expected as first operand",expression));
}
if(null == zkHost){
throw new IOException(String.format(Locale.ROOT,"invalid expression %s - zkHost not found for collection '%s'",expression,collectionName));
}
if(batchSize < 0){
throw new IOException(String.format(Locale.ROOT,"invalid expression %s - batchSize cannot be less than 0 but is '%d'",expression,batchSize));
}
//Extract underlying TupleStream.
List<StreamExpression> streamExpressions = factory.getExpressionOperandsRepresentingTypes(expression, Expressible.class, TupleStream.class);
if (1 != streamExpressions.size()) {
throw new IOException(String.format(Locale.ROOT,"Invalid expression %s - expecting a single stream but found %d",expression, streamExpressions.size()));
}
StreamExpression sourceStreamExpression = streamExpressions.get(0);
init(collectionName, factory.constructStream(sourceStreamExpression), zkHost, batchSize, waitFlush, waitSearcher, softCommit);
}
public CommitStream(String collectionName, TupleStream tupleSource, String zkHost, int batchSize, boolean waitFlush, boolean waitSearcher, boolean softCommit) throws IOException {
if (batchSize < 0) {
throw new IOException(String.format(Locale.ROOT,"batchSize '%d' cannot be less than 0.", batchSize));
}
init(collectionName, tupleSource, zkHost, batchSize, waitFlush, waitSearcher, softCommit);
}
private void init(String collectionName, TupleStream tupleSource, String zkHost, int batchSize, boolean waitFlush, boolean waitSearcher, boolean softCommit) {
this.collection = collectionName;
this.zkHost = zkHost;
this.commitBatchSize = batchSize;
this.waitFlush = waitFlush;
this.waitSearcher = waitSearcher;
this.softCommit = softCommit;
this.tupleSource = tupleSource;
}
@Override
public void open() throws IOException {
tupleSource.open();
clientCache = new SolrClientCache();
docsSinceCommit = 0;
}
@Override
public Tuple read() throws IOException {
Tuple tuple = tupleSource.read();
if(tuple.EOF){
if(docsSinceCommit > 0){
sendCommit();
}
}
else{
// if the read document contains field 'batchIndexed' then it's a summary
// document and we can update our count based on it's value. If not then
// just increment by 1
if(tuple.fields.containsKey(UpdateStream.BATCH_INDEXED_FIELD_NAME) && isInteger(tuple.getString(UpdateStream.BATCH_INDEXED_FIELD_NAME))){
docsSinceCommit += Integer.parseInt(tuple.getString(UpdateStream.BATCH_INDEXED_FIELD_NAME));
}
else{
docsSinceCommit += 1;
}
if(commitBatchSize > 0 && docsSinceCommit >= commitBatchSize){
// if commitBatchSize == 0 then the tuple.EOF above will end up calling sendCommit()
sendCommit();
}
}
return tuple;
}
private boolean isInteger(String string){
try{
Integer.parseInt(string);
return true;
}
catch(NumberFormatException e){
return false;
}
}
@Override
public void close() throws IOException {
clientCache.close();
tupleSource.close();
}
@Override
public StreamComparator getStreamSort() {
return tupleSource.getStreamSort();
}
@Override
public List<TupleStream> children() {
ArrayList<TupleStream> sourceList = new ArrayList<TupleStream>(1);
sourceList.add(tupleSource);
return sourceList;
}
@Override
public StreamExpression toExpression(StreamFactory factory) throws IOException{
return toExpression(factory, true);
}
private StreamExpression toExpression(StreamFactory factory, boolean includeStreams) throws IOException {
StreamExpression expression = new StreamExpression(factory.getFunctionName(this.getClass()));
expression.addParameter(collection);
expression.addParameter(new StreamExpressionNamedParameter("zkHost", zkHost));
expression.addParameter(new StreamExpressionNamedParameter("batchSize", Integer.toString(commitBatchSize)));
expression.addParameter(new StreamExpressionNamedParameter("waitFlush", Boolean.toString(waitFlush)));
expression.addParameter(new StreamExpressionNamedParameter("waitSearcher", Boolean.toString(waitSearcher)));
expression.addParameter(new StreamExpressionNamedParameter("softCommit", Boolean.toString(softCommit)));
if(includeStreams){
if(tupleSource instanceof Expressible){
expression.addParameter(((Expressible)tupleSource).toExpression(factory));
} else {
throw new IOException("This CommitStream contains a non-expressible TupleStream - it cannot be converted to an expression");
}
}
else{
expression.addParameter("<stream>");
}
return expression;
}
@Override
public Explanation toExplanation(StreamFactory factory) throws IOException {
// A commit stream is backward wrt the order in the explanation. This stream is the "child"
// while the collection we're committing to is the parent.
StreamExplanation explanation = new StreamExplanation(getStreamNodeId() + "-datastore");
explanation.setFunctionName(String.format(Locale.ROOT, "solr (%s)", collection));
explanation.setImplementingClass("Solr/Lucene");
explanation.setExpressionType(ExpressionType.DATASTORE);
explanation.setExpression("Commit into " + collection);
// child is a stream so add it at this point
StreamExplanation child = new StreamExplanation(getStreamNodeId().toString());
child.setFunctionName(String.format(Locale.ROOT, factory.getFunctionName(getClass())));
child.setImplementingClass(getClass().getName());
child.setExpressionType(ExpressionType.STREAM_DECORATOR);
child.setExpression(toExpression(factory, false).toString());
child.addChild(tupleSource.toExplanation(factory));
explanation.addChild(child);
return explanation;
}
@Override
public void setStreamContext(StreamContext context) {
if(null != context.getSolrClientCache()){
this.clientCache = context.getSolrClientCache();
// this overrides the one created in open
}
this.tupleSource.setStreamContext(context);
}
private String findZkHost(StreamFactory factory, String collectionName, StreamExpression expression) {
StreamExpressionNamedParameter zkHostExpression = factory.getNamedOperand(expression, "zkHost");
if(null == zkHostExpression){
String zkHost = factory.getCollectionZkHost(collectionName);
if(zkHost == null) {
return factory.getDefaultZkHost();
} else {
return zkHost;
}
} else if(zkHostExpression.getParameter() instanceof StreamExpressionValue){
return ((StreamExpressionValue)zkHostExpression.getParameter()).getValue();
}
return null;
}
private void sendCommit() throws IOException {
try {
clientCache.getCloudSolrClient(zkHost).commit(collection, waitFlush, waitSearcher, softCommit);
} catch (SolrServerException | IOException e) {
LOG.warn(String.format(Locale.ROOT, "Unable to commit documents to collection '%s' due to unexpected error.", collection), e);
String className = e.getClass().getName();
String message = e.getMessage();
throw new IOException(String.format(Locale.ROOT,"Unexpected error when committing documents to collection %s- %s:%s", collection, className, message));
}
}
}

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@ -48,6 +48,7 @@ import org.slf4j.LoggerFactory;
public class UpdateStream extends TupleStream implements Expressible {
private static final Logger LOG = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
public static String BATCH_INDEXED_FIELD_NAME = "batchIndexed"; // field name in summary tuple for #docs updated in batch
private String collection;
private String zkHost;
private int updateBatchSize;
@ -307,7 +308,7 @@ public class UpdateStream extends TupleStream implements Expressible {
Map m = new HashMap();
this.totalDocsIndex += batchSize;
++batchNumber;
m.put("batchIndexed", batchSize);
m.put(BATCH_INDEXED_FIELD_NAME, batchSize);
m.put("totalIndexed", this.totalDocsIndex);
m.put("batchNumber", batchNumber);
if(coreName != null) {

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@ -174,6 +174,41 @@ public class StreamFactory implements Serializable {
return matchingStreamExpressions;
}
public int getIntOperand(StreamExpression expression, String paramName, Integer defaultValue) throws IOException{
StreamExpressionNamedParameter param = getNamedOperand(expression, paramName);
if(null == param || null == param.getParameter() || !(param.getParameter() instanceof StreamExpressionValue)){
if(null != defaultValue){
return defaultValue;
}
throw new IOException(String.format(Locale.ROOT,"Invalid expression %s - expecting a single '%s' parameter of type integer but didn't find one",expression, paramName));
}
String nStr = ((StreamExpressionValue)param.getParameter()).getValue();
try{
return Integer.parseInt(nStr);
}
catch(NumberFormatException e){
if(null != defaultValue){
return defaultValue;
}
throw new IOException(String.format(Locale.ROOT,"invalid expression %s - %s '%s' is not a valid integer.",expression, paramName, nStr));
}
}
public boolean getBooleanOperand(StreamExpression expression, String paramName, Boolean defaultValue) throws IOException{
StreamExpressionNamedParameter param = getNamedOperand(expression, paramName);
if(null == param || null == param.getParameter() || !(param.getParameter() instanceof StreamExpressionValue)){
if(null != defaultValue){
return defaultValue;
}
throw new IOException(String.format(Locale.ROOT,"Invalid expression %s - expecting a single '%s' parameter of type boolean but didn't find one",expression, paramName));
}
String nStr = ((StreamExpressionValue)param.getParameter()).getValue();
return Boolean.parseBoolean(nStr);
}
public TupleStream constructStream(String expressionClause) throws IOException {
return constructStream(StreamExpressionParser.parse(expressionClause));
}

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@ -3202,6 +3202,346 @@ public class StreamExpressionTest extends SolrCloudTestCase {
CollectionAdminRequest.deleteCollection("parallelDestinationCollection1").process(cluster.getSolrClient());
}
////////////////////////////////////////////
@Test
public void testCommitStream() throws Exception {
CollectionAdminRequest.createCollection("destinationCollection", "conf", 2, 1).process(cluster.getSolrClient());
AbstractDistribZkTestBase.waitForRecoveriesToFinish("destinationCollection", cluster.getSolrClient().getZkStateReader(),
false, true, TIMEOUT);
new UpdateRequest()
.add(id, "0", "a_s", "hello0", "a_i", "0", "a_f", "0", "s_multi", "aaaa", "s_multi", "bbbb", "i_multi", "4", "i_multi", "7")
.add(id, "2", "a_s", "hello2", "a_i", "2", "a_f", "0", "s_multi", "aaaa1", "s_multi", "bbbb1", "i_multi", "44", "i_multi", "77")
.add(id, "3", "a_s", "hello3", "a_i", "3", "a_f", "3", "s_multi", "aaaa2", "s_multi", "bbbb2", "i_multi", "444", "i_multi", "777")
.add(id, "4", "a_s", "hello4", "a_i", "4", "a_f", "4", "s_multi", "aaaa3", "s_multi", "bbbb3", "i_multi", "4444", "i_multi", "7777")
.add(id, "1", "a_s", "hello1", "a_i", "1", "a_f", "1", "s_multi", "aaaa4", "s_multi", "bbbb4", "i_multi", "44444", "i_multi", "77777")
.commit(cluster.getSolrClient(), "collection1");
StreamExpression expression;
TupleStream stream;
Tuple t;
StreamFactory factory = new StreamFactory()
.withCollectionZkHost("collection1", cluster.getZkServer().getZkAddress())
.withCollectionZkHost("destinationCollection", cluster.getZkServer().getZkAddress())
.withFunctionName("search", CloudSolrStream.class)
.withFunctionName("update", UpdateStream.class)
.withFunctionName("commit", CommitStream.class);
//Copy all docs to destinationCollection
expression = StreamExpressionParser.parse("commit(destinationCollection, batchSize=2, update(destinationCollection, batchSize=5, search(collection1, q=*:*, fl=\"id,a_s,a_i,a_f,s_multi,i_multi\", sort=\"a_f asc, a_i asc\")))");
stream = factory.constructStream(expression);
List<Tuple> tuples = getTuples(stream);
//Ensure that all CommitStream tuples indicate the correct number of copied/indexed docs
assert(tuples.size() == 1);
t = tuples.get(0);
assert(t.EOF == false);
assertEquals(5, t.get("batchIndexed"));
//Ensure that destinationCollection actually has the new docs.
expression = StreamExpressionParser.parse("search(destinationCollection, q=*:*, fl=\"id,a_s,a_i,a_f,s_multi,i_multi\", sort=\"a_i asc\")");
stream = new CloudSolrStream(expression, factory);
tuples = getTuples(stream);
assertEquals(5, tuples.size());
Tuple tuple = tuples.get(0);
assert(tuple.getLong("id") == 0);
assert(tuple.get("a_s").equals("hello0"));
assert(tuple.getLong("a_i") == 0);
assert(tuple.getDouble("a_f") == 0.0);
assertList(tuple.getStrings("s_multi"), "aaaa", "bbbb");
assertList(tuple.getLongs("i_multi"), Long.parseLong("4"), Long.parseLong("7"));
tuple = tuples.get(1);
assert(tuple.getLong("id") == 1);
assert(tuple.get("a_s").equals("hello1"));
assert(tuple.getLong("a_i") == 1);
assert(tuple.getDouble("a_f") == 1.0);
assertList(tuple.getStrings("s_multi"), "aaaa4", "bbbb4");
assertList(tuple.getLongs("i_multi"), Long.parseLong("44444"), Long.parseLong("77777"));
tuple = tuples.get(2);
assert(tuple.getLong("id") == 2);
assert(tuple.get("a_s").equals("hello2"));
assert(tuple.getLong("a_i") == 2);
assert(tuple.getDouble("a_f") == 0.0);
assertList(tuple.getStrings("s_multi"), "aaaa1", "bbbb1");
assertList(tuple.getLongs("i_multi"), Long.parseLong("44"), Long.parseLong("77"));
tuple = tuples.get(3);
assert(tuple.getLong("id") == 3);
assert(tuple.get("a_s").equals("hello3"));
assert(tuple.getLong("a_i") == 3);
assert(tuple.getDouble("a_f") == 3.0);
assertList(tuple.getStrings("s_multi"), "aaaa2", "bbbb2");
assertList(tuple.getLongs("i_multi"), Long.parseLong("444"), Long.parseLong("777"));
tuple = tuples.get(4);
assert(tuple.getLong("id") == 4);
assert(tuple.get("a_s").equals("hello4"));
assert(tuple.getLong("a_i") == 4);
assert(tuple.getDouble("a_f") == 4.0);
assertList(tuple.getStrings("s_multi"), "aaaa3", "bbbb3");
assertList(tuple.getLongs("i_multi"), Long.parseLong("4444"), Long.parseLong("7777"));
CollectionAdminRequest.deleteCollection("destinationCollection").process(cluster.getSolrClient());
}
@Test
public void testParallelCommitStream() throws Exception {
CollectionAdminRequest.createCollection("parallelDestinationCollection", "conf", 2, 1).process(cluster.getSolrClient());
AbstractDistribZkTestBase.waitForRecoveriesToFinish("parallelDestinationCollection", cluster.getSolrClient().getZkStateReader(),
false, true, TIMEOUT);
new UpdateRequest()
.add(id, "0", "a_s", "hello0", "a_i", "0", "a_f", "0", "s_multi", "aaaa", "s_multi", "bbbb", "i_multi", "4", "i_multi", "7")
.add(id, "2", "a_s", "hello2", "a_i", "2", "a_f", "0", "s_multi", "aaaa1", "s_multi", "bbbb1", "i_multi", "44", "i_multi", "77")
.add(id, "3", "a_s", "hello3", "a_i", "3", "a_f", "3", "s_multi", "aaaa2", "s_multi", "bbbb2", "i_multi", "444", "i_multi", "777")
.add(id, "4", "a_s", "hello4", "a_i", "4", "a_f", "4", "s_multi", "aaaa3", "s_multi", "bbbb3", "i_multi", "4444", "i_multi", "7777")
.add(id, "1", "a_s", "hello1", "a_i", "1", "a_f", "1", "s_multi", "aaaa4", "s_multi", "bbbb4", "i_multi", "44444", "i_multi", "77777")
.commit(cluster.getSolrClient(), "collection1");
StreamExpression expression;
TupleStream stream;
Tuple t;
String zkHost = cluster.getZkServer().getZkAddress();
StreamFactory factory = new StreamFactory()
.withCollectionZkHost("collection1", cluster.getZkServer().getZkAddress())
.withCollectionZkHost("parallelDestinationCollection", cluster.getZkServer().getZkAddress())
.withFunctionName("search", CloudSolrStream.class)
.withFunctionName("update", UpdateStream.class)
.withFunctionName("commit", CommitStream.class)
.withFunctionName("parallel", ParallelStream.class);
//Copy all docs to destinationCollection
String updateExpression = "commit(parallelDestinationCollection, batchSize=0, zkHost=\"" + cluster.getZkServer().getZkAddress() + "\", update(parallelDestinationCollection, batchSize=2, search(collection1, q=*:*, fl=\"id,a_s,a_i,a_f,s_multi,i_multi\", sort=\"a_f asc, a_i asc\", partitionKeys=\"a_f\")))";
TupleStream parallelUpdateStream = factory.constructStream("parallel(collection1, " + updateExpression + ", workers=\"2\", zkHost=\""+zkHost+"\", sort=\"batchNumber asc\")");
List<Tuple> tuples = getTuples(parallelUpdateStream);
//Ensure that all UpdateStream tuples indicate the correct number of copied/indexed docs
long count = 0;
for(Tuple tuple : tuples) {
count+=tuple.getLong("batchIndexed");
}
assert(count == 5);
//Ensure that destinationCollection actually has the new docs.
expression = StreamExpressionParser.parse("search(parallelDestinationCollection, q=*:*, fl=\"id,a_s,a_i,a_f,s_multi,i_multi\", sort=\"a_i asc\")");
stream = new CloudSolrStream(expression, factory);
tuples = getTuples(stream);
assertEquals(5, tuples.size());
Tuple tuple = tuples.get(0);
assert(tuple.getLong("id") == 0);
assert(tuple.get("a_s").equals("hello0"));
assert(tuple.getLong("a_i") == 0);
assert(tuple.getDouble("a_f") == 0.0);
assertList(tuple.getStrings("s_multi"), "aaaa", "bbbb");
assertList(tuple.getLongs("i_multi"), Long.parseLong("4"), Long.parseLong("7"));
tuple = tuples.get(1);
assert(tuple.getLong("id") == 1);
assert(tuple.get("a_s").equals("hello1"));
assert(tuple.getLong("a_i") == 1);
assert(tuple.getDouble("a_f") == 1.0);
assertList(tuple.getStrings("s_multi"), "aaaa4", "bbbb4");
assertList(tuple.getLongs("i_multi"), Long.parseLong("44444"), Long.parseLong("77777"));
tuple = tuples.get(2);
assert(tuple.getLong("id") == 2);
assert(tuple.get("a_s").equals("hello2"));
assert(tuple.getLong("a_i") == 2);
assert(tuple.getDouble("a_f") == 0.0);
assertList(tuple.getStrings("s_multi"), "aaaa1", "bbbb1");
assertList(tuple.getLongs("i_multi"), Long.parseLong("44"), Long.parseLong("77"));
tuple = tuples.get(3);
assert(tuple.getLong("id") == 3);
assert(tuple.get("a_s").equals("hello3"));
assert(tuple.getLong("a_i") == 3);
assert(tuple.getDouble("a_f") == 3.0);
assertList(tuple.getStrings("s_multi"), "aaaa2", "bbbb2");
assertList(tuple.getLongs("i_multi"), Long.parseLong("444"), Long.parseLong("777"));
tuple = tuples.get(4);
assert(tuple.getLong("id") == 4);
assert(tuple.get("a_s").equals("hello4"));
assert(tuple.getLong("a_i") == 4);
assert(tuple.getDouble("a_f") == 4.0);
assertList(tuple.getStrings("s_multi"), "aaaa3", "bbbb3");
assertList(tuple.getLongs("i_multi"), Long.parseLong("4444"), Long.parseLong("7777"));
CollectionAdminRequest.deleteCollection("parallelDestinationCollection").process(cluster.getSolrClient());
}
@Test
public void testParallelDaemonCommitStream() throws Exception {
CollectionAdminRequest.createCollection("parallelDestinationCollection1", "conf", 2, 1).process(cluster.getSolrClient());
AbstractDistribZkTestBase.waitForRecoveriesToFinish("parallelDestinationCollection1", cluster.getSolrClient().getZkStateReader(),
false, true, TIMEOUT);
new UpdateRequest()
.add(id, "0", "a_s", "hello0", "a_i", "0", "a_f", "0", "s_multi", "aaaa", "s_multi", "bbbb", "i_multi", "4", "i_multi", "7")
.add(id, "2", "a_s", "hello2", "a_i", "2", "a_f", "0", "s_multi", "aaaa1", "s_multi", "bbbb1", "i_multi", "44", "i_multi", "77")
.add(id, "3", "a_s", "hello3", "a_i", "3", "a_f", "3", "s_multi", "aaaa2", "s_multi", "bbbb2", "i_multi", "444", "i_multi", "777")
.add(id, "4", "a_s", "hello4", "a_i", "4", "a_f", "4", "s_multi", "aaaa3", "s_multi", "bbbb3", "i_multi", "4444", "i_multi", "7777")
.add(id, "1", "a_s", "hello1", "a_i", "1", "a_f", "1", "s_multi", "aaaa4", "s_multi", "bbbb4", "i_multi", "44444", "i_multi", "77777")
.commit(cluster.getSolrClient(), "collection1");
StreamExpression expression;
TupleStream stream;
Tuple t;
String zkHost = cluster.getZkServer().getZkAddress();
StreamFactory factory = new StreamFactory()
.withCollectionZkHost("collection1", cluster.getZkServer().getZkAddress())
.withCollectionZkHost("parallelDestinationCollection1", cluster.getZkServer().getZkAddress())
.withFunctionName("search", CloudSolrStream.class)
.withFunctionName("update", UpdateStream.class)
.withFunctionName("commit", CommitStream.class)
.withFunctionName("parallel", ParallelStream.class)
.withFunctionName("daemon", DaemonStream.class);
//Copy all docs to destinationCollection
String updateExpression = "daemon(commit(parallelDestinationCollection1, batchSize=0, zkHost=\"" + cluster.getZkServer().getZkAddress() + "\", update(parallelDestinationCollection1, batchSize=2, search(collection1, q=*:*, fl=\"id,a_s,a_i,a_f,s_multi,i_multi\", sort=\"a_f asc, a_i asc\", partitionKeys=\"a_f\"))), runInterval=\"1000\", id=\"test\")";
TupleStream parallelUpdateStream = factory.constructStream("parallel(collection1, " + updateExpression + ", workers=\"2\", zkHost=\""+zkHost+"\", sort=\"batchNumber asc\")");
List<Tuple> tuples = getTuples(parallelUpdateStream);
assert(tuples.size() == 2);
//Lets sleep long enough for daemon updates to run.
//Lets stop the daemons
ModifiableSolrParams sParams = new ModifiableSolrParams(StreamingTest.mapParams(CommonParams.QT, "/stream", "action", "list"));
int workersComplete = 0;
for(JettySolrRunner jetty : cluster.getJettySolrRunners()) {
int iterations = 0;
INNER:
while(iterations == 0) {
SolrStream solrStream = new SolrStream(jetty.getBaseUrl().toString() + "/collection1", sParams);
solrStream.open();
Tuple tupleResponse = solrStream.read();
if (tupleResponse.EOF) {
solrStream.close();
break INNER;
} else {
long l = tupleResponse.getLong("iterations");
if(l > 0) {
++workersComplete;
} else {
try {
Thread.sleep(1000);
} catch(Exception e) {
}
}
iterations = (int) l;
solrStream.close();
}
}
}
assertEquals(cluster.getJettySolrRunners().size(), workersComplete);
//Lets stop the daemons
sParams = new ModifiableSolrParams();
sParams.set(CommonParams.QT, "/stream");
sParams.set("action", "stop");
sParams.set("id", "test");
for (JettySolrRunner jetty : cluster.getJettySolrRunners()) {
SolrStream solrStream = new SolrStream(jetty.getBaseUrl() + "/collection1", sParams);
solrStream.open();
Tuple tupleResponse = solrStream.read();
solrStream.close();
}
sParams = new ModifiableSolrParams();
sParams.set(CommonParams.QT, "/stream");
sParams.set("action", "list");
workersComplete = 0;
for (JettySolrRunner jetty : cluster.getJettySolrRunners()) {
long stopTime = 0;
INNER:
while(stopTime == 0) {
SolrStream solrStream = new SolrStream(jetty.getBaseUrl() + "/collection1", sParams);
solrStream.open();
Tuple tupleResponse = solrStream.read();
if (tupleResponse.EOF) {
solrStream.close();
break INNER;
} else {
stopTime = tupleResponse.getLong("stopTime");
if (stopTime > 0) {
++workersComplete;
} else {
try {
Thread.sleep(1000);
} catch(Exception e) {
}
}
solrStream.close();
}
}
}
assertEquals(cluster.getJettySolrRunners().size(), workersComplete);
//Ensure that destinationCollection actually has the new docs.
expression = StreamExpressionParser.parse("search(parallelDestinationCollection1, q=*:*, fl=\"id,a_s,a_i,a_f,s_multi,i_multi\", sort=\"a_i asc\")");
stream = new CloudSolrStream(expression, factory);
tuples = getTuples(stream);
assertEquals(5, tuples.size());
Tuple tuple = tuples.get(0);
assert(tuple.getLong("id") == 0);
assert(tuple.get("a_s").equals("hello0"));
assert(tuple.getLong("a_i") == 0);
assert(tuple.getDouble("a_f") == 0.0);
assertList(tuple.getStrings("s_multi"), "aaaa", "bbbb");
assertList(tuple.getLongs("i_multi"), Long.parseLong("4"), Long.parseLong("7"));
tuple = tuples.get(1);
assert(tuple.getLong("id") == 1);
assert(tuple.get("a_s").equals("hello1"));
assert(tuple.getLong("a_i") == 1);
assert(tuple.getDouble("a_f") == 1.0);
assertList(tuple.getStrings("s_multi"), "aaaa4", "bbbb4");
assertList(tuple.getLongs("i_multi"), Long.parseLong("44444"), Long.parseLong("77777"));
tuple = tuples.get(2);
assert(tuple.getLong("id") == 2);
assert(tuple.get("a_s").equals("hello2"));
assert(tuple.getLong("a_i") == 2);
assert(tuple.getDouble("a_f") == 0.0);
assertList(tuple.getStrings("s_multi"), "aaaa1", "bbbb1");
assertList(tuple.getLongs("i_multi"), Long.parseLong("44"), Long.parseLong("77"));
tuple = tuples.get(3);
assert(tuple.getLong("id") == 3);
assert(tuple.get("a_s").equals("hello3"));
assert(tuple.getLong("a_i") == 3);
assert(tuple.getDouble("a_f") == 3.0);
assertList(tuple.getStrings("s_multi"), "aaaa2", "bbbb2");
assertList(tuple.getLongs("i_multi"), Long.parseLong("444"), Long.parseLong("777"));
tuple = tuples.get(4);
assert(tuple.getLong("id") == 4);
assert(tuple.get("a_s").equals("hello4"));
assert(tuple.getLong("a_i") == 4);
assert(tuple.getDouble("a_f") == 4.0);
assertList(tuple.getStrings("s_multi"), "aaaa3", "bbbb3");
assertList(tuple.getLongs("i_multi"), Long.parseLong("4444"), Long.parseLong("7777"));
CollectionAdminRequest.deleteCollection("parallelDestinationCollection1").process(cluster.getSolrClient());
}
////////////////////////////////////////////
@Test
public void testIntersectStream() throws Exception {