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NIFI-1055: Fixed checkstyle violations

This commit is contained in:
Mark Payne 2015-10-23 09:59:24 -04:00
parent 5d90c9be07
commit 0fc5d30461
5 changed files with 140 additions and 138 deletions
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38
nifi-nar-bundles/nifi-avro-bundle/nifi-avro-processors/src/main/java/org/apache/nifi/processors/avro/ConvertAvroToJSON.java
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@ -50,7 +50,7 @@ import org.apache.nifi.processor.io.StreamCallback;
@SideEffectFree @SideEffectFree
@SupportsBatching @SupportsBatching
@Tags({ "json", "avro", "binary" }) @Tags({"json", "avro", "binary"})
@CapabilityDescription("Converts a Binary Avro record into a JSON object. This processor provides a direct mapping of an Avro field to a JSON field, such " @CapabilityDescription("Converts a Binary Avro record into a JSON object. This processor provides a direct mapping of an Avro field to a JSON field, such "
+ "that the resulting JSON will have the same hierarchical structure as the Avro document. Note that the Avro schema information will be lost, as this " + "that the resulting JSON will have the same hierarchical structure as the Avro document. Note that the Avro schema information will be lost, as this "
+ "is not a translation from binary Avro to JSON formatted Avro. The output JSON is encoded the UTF-8 encoding. If an incoming FlowFile contains a stream of " + "is not a translation from binary Avro to JSON formatted Avro. The output JSON is encoded the UTF-8 encoding. If an incoming FlowFile contains a stream of "
@ -60,24 +60,23 @@ public class ConvertAvroToJSON extends AbstractProcessor {
protected static final String CONTAINER_ARRAY = "array"; protected static final String CONTAINER_ARRAY = "array";
protected static final String CONTAINER_NONE = "none"; protected static final String CONTAINER_NONE = "none";
static final PropertyDescriptor CONTAINER_OPTIONS static final PropertyDescriptor CONTAINER_OPTIONS = new PropertyDescriptor.Builder()
= new PropertyDescriptor.Builder() .name("JSON container options")
.name("JSON container options") .description("Determines how stream of records is exposed: either as a sequence of single Objects (" + CONTAINER_NONE
.description("Determines how stream of records is exposed: either as a sequence of single Objects (" + CONTAINER_NONE + ") (i.e. writing every Object to a new line), or as an array of Objects (" + CONTAINER_ARRAY + ").") + ") (i.e. writing every Object to a new line), or as an array of Objects (" + CONTAINER_ARRAY + ").")
.allowableValues(CONTAINER_NONE, CONTAINER_ARRAY) .allowableValues(CONTAINER_NONE, CONTAINER_ARRAY)
.required(true) .required(true)
.defaultValue(CONTAINER_ARRAY) .defaultValue(CONTAINER_ARRAY)
.build(); .build();
static final Relationship REL_SUCCESS = new Relationship.Builder() static final Relationship REL_SUCCESS = new Relationship.Builder()
.name("success") .name("success")
.description("A FlowFile is routed to this relationship after it has been converted to JSON") .description("A FlowFile is routed to this relationship after it has been converted to JSON")
.build(); .build();
static final Relationship REL_FAILURE = new Relationship.Builder() static final Relationship REL_FAILURE = new Relationship.Builder()
.name("failure") .name("failure")
.description("A FlowFile is routed to this relationship if it cannot be parsed as Avro or cannot be converted to JSON for any reason") .description("A FlowFile is routed to this relationship if it cannot be parsed as Avro or cannot be converted to JSON for any reason")
.build(); .build();
private List<PropertyDescriptor> properties; private List<PropertyDescriptor> properties;
@ -89,12 +88,13 @@ public class ConvertAvroToJSON extends AbstractProcessor {
final List<PropertyDescriptor> properties = new ArrayList<>(); final List<PropertyDescriptor> properties = new ArrayList<>();
properties.add(CONTAINER_OPTIONS); properties.add(CONTAINER_OPTIONS);
this.properties = Collections.unmodifiableList(properties); this.properties = Collections.unmodifiableList(properties);
} }
@Override @Override
protected List<PropertyDescriptor> getSupportedPropertyDescriptors() { protected List<PropertyDescriptor> getSupportedPropertyDescriptors() {
return properties; return properties;
} }
@Override @Override
public Set<Relationship> getRelationships() { public Set<Relationship> getRelationships() {
final Set<Relationship> rels = new HashSet<>(); final Set<Relationship> rels = new HashSet<>();
@ -118,8 +118,8 @@ public class ConvertAvroToJSON extends AbstractProcessor {
public void process(final InputStream rawIn, final OutputStream rawOut) throws IOException { public void process(final InputStream rawIn, final OutputStream rawOut) throws IOException {
try (final InputStream in = new BufferedInputStream(rawIn); try (final InputStream in = new BufferedInputStream(rawIn);
final OutputStream out = new BufferedOutputStream(rawOut); final OutputStream out = new BufferedOutputStream(rawOut);
final DataFileStream<GenericRecord> reader = new DataFileStream<>(in, new GenericDatumReader<GenericRecord>())) { final DataFileStream<GenericRecord> reader = new DataFileStream<>(in, new GenericDatumReader<GenericRecord>())) {
final GenericData genericData = GenericData.get(); final GenericData genericData = GenericData.get();
GenericRecord record = reader.next(); GenericRecord record = reader.next();

1
nifi-nar-bundles/nifi-kite-bundle/nifi-kite-processors/src/test/java/org/apache/nifi/processors/kite/TestCSVToAvroProcessor.java
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@ -58,7 +58,6 @@ public class TestCSVToAvroProcessor {
/** /**
* Basic test for tab separated files, similar to #test * Basic test for tab separated files, similar to #test
* @throws IOException
*/ */
@Test @Test
public void testTabSeparatedConversion() throws IOException { public void testTabSeparatedConversion() throws IOException {

108
nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/ListenHTTP.java
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@ -31,10 +31,12 @@ import java.util.regex.Pattern;
import javax.servlet.Servlet; import javax.servlet.Servlet;
import javax.ws.rs.Path; import javax.ws.rs.Path;
import org.apache.nifi.annotation.documentation.CapabilityDescription;
import org.apache.nifi.annotation.documentation.Tags;
import org.apache.nifi.annotation.lifecycle.OnScheduled;
import org.apache.nifi.annotation.lifecycle.OnStopped;
import org.apache.nifi.components.PropertyDescriptor; import org.apache.nifi.components.PropertyDescriptor;
import org.apache.nifi.flowfile.FlowFile; import org.apache.nifi.flowfile.FlowFile;
import org.apache.nifi.stream.io.LeakyBucketStreamThrottler;
import org.apache.nifi.stream.io.StreamThrottler;
import org.apache.nifi.processor.AbstractSessionFactoryProcessor; import org.apache.nifi.processor.AbstractSessionFactoryProcessor;
import org.apache.nifi.processor.DataUnit; import org.apache.nifi.processor.DataUnit;
import org.apache.nifi.processor.ProcessContext; import org.apache.nifi.processor.ProcessContext;
@ -42,15 +44,12 @@ import org.apache.nifi.processor.ProcessSession;
import org.apache.nifi.processor.ProcessSessionFactory; import org.apache.nifi.processor.ProcessSessionFactory;
import org.apache.nifi.processor.ProcessorInitializationContext; import org.apache.nifi.processor.ProcessorInitializationContext;
import org.apache.nifi.processor.Relationship; import org.apache.nifi.processor.Relationship;
import org.apache.nifi.annotation.documentation.CapabilityDescription;
import org.apache.nifi.annotation.lifecycle.OnScheduled;
import org.apache.nifi.annotation.lifecycle.OnStopped;
import org.apache.nifi.annotation.documentation.Tags;
import org.apache.nifi.processor.util.StandardValidators; import org.apache.nifi.processor.util.StandardValidators;
import org.apache.nifi.processors.standard.servlets.ContentAcknowledgmentServlet; import org.apache.nifi.processors.standard.servlets.ContentAcknowledgmentServlet;
import org.apache.nifi.processors.standard.servlets.ListenHTTPServlet; import org.apache.nifi.processors.standard.servlets.ListenHTTPServlet;
import org.apache.nifi.ssl.SSLContextService; import org.apache.nifi.ssl.SSLContextService;
import org.apache.nifi.stream.io.LeakyBucketStreamThrottler;
import org.apache.nifi.stream.io.StreamThrottler;
import org.eclipse.jetty.server.Connector; import org.eclipse.jetty.server.Connector;
import org.eclipse.jetty.server.HttpConfiguration; import org.eclipse.jetty.server.HttpConfiguration;
import org.eclipse.jetty.server.HttpConnectionFactory; import org.eclipse.jetty.server.HttpConnectionFactory;
@ -70,56 +69,56 @@ public class ListenHTTP extends AbstractSessionFactoryProcessor {
private List<PropertyDescriptor> properties; private List<PropertyDescriptor> properties;
public static final Relationship RELATIONSHIP_SUCCESS = new Relationship.Builder() public static final Relationship RELATIONSHIP_SUCCESS = new Relationship.Builder()
.name("success") .name("success")
.description("Relationship for successfully received FlowFiles") .description("Relationship for successfully received FlowFiles")
.build(); .build();
public static final PropertyDescriptor BASE_PATH = new PropertyDescriptor.Builder() public static final PropertyDescriptor BASE_PATH = new PropertyDescriptor.Builder()
.name("Base Path") .name("Base Path")
.description("Base path for incoming connections") .description("Base path for incoming connections")
.required(true) .required(true)
.defaultValue("contentListener") .defaultValue("contentListener")
.addValidator(StandardValidators.URI_VALIDATOR) .addValidator(StandardValidators.URI_VALIDATOR)
.addValidator(StandardValidators.createRegexMatchingValidator(Pattern.compile("(^[^/]+.*[^/]+$|^[^/]+$|^$)"))) // no start with / or end with / .addValidator(StandardValidators.createRegexMatchingValidator(Pattern.compile("(^[^/]+.*[^/]+$|^[^/]+$|^$)"))) // no start with / or end with /
.build(); .build();
public static final PropertyDescriptor PORT = new PropertyDescriptor.Builder() public static final PropertyDescriptor PORT = new PropertyDescriptor.Builder()
.name("Listening Port") .name("Listening Port")
.description("The Port to listen on for incoming connections") .description("The Port to listen on for incoming connections")
.required(true) .required(true)
.addValidator(StandardValidators.POSITIVE_INTEGER_VALIDATOR) .addValidator(StandardValidators.POSITIVE_INTEGER_VALIDATOR)
.build(); .build();
public static final PropertyDescriptor AUTHORIZED_DN_PATTERN = new PropertyDescriptor.Builder() public static final PropertyDescriptor AUTHORIZED_DN_PATTERN = new PropertyDescriptor.Builder()
.name("Authorized DN Pattern") .name("Authorized DN Pattern")
.description("A Regular Expression to apply against the Distinguished Name of incoming connections. If the Pattern does not match the DN, the connection will be refused.") .description("A Regular Expression to apply against the Distinguished Name of incoming connections. If the Pattern does not match the DN, the connection will be refused.")
.required(true) .required(true)
.defaultValue(".*") .defaultValue(".*")
.addValidator(StandardValidators.REGULAR_EXPRESSION_VALIDATOR) .addValidator(StandardValidators.REGULAR_EXPRESSION_VALIDATOR)
.build(); .build();
public static final PropertyDescriptor MAX_UNCONFIRMED_TIME = new PropertyDescriptor.Builder() public static final PropertyDescriptor MAX_UNCONFIRMED_TIME = new PropertyDescriptor.Builder()
.name("Max Unconfirmed Flowfile Time") .name("Max Unconfirmed Flowfile Time")
.description("The maximum amount of time to wait for a FlowFile to be confirmed before it is removed from the cache") .description("The maximum amount of time to wait for a FlowFile to be confirmed before it is removed from the cache")
.required(true) .required(true)
.defaultValue("60 secs") .defaultValue("60 secs")
.addValidator(StandardValidators.TIME_PERIOD_VALIDATOR) .addValidator(StandardValidators.TIME_PERIOD_VALIDATOR)
.build(); .build();
public static final PropertyDescriptor MAX_DATA_RATE = new PropertyDescriptor.Builder() public static final PropertyDescriptor MAX_DATA_RATE = new PropertyDescriptor.Builder()
.name("Max Data to Receive per Second") .name("Max Data to Receive per Second")
.description("The maximum amount of data to receive per second; this allows the bandwidth to be throttled to a specified data rate; if not specified, the data rate is not throttled") .description("The maximum amount of data to receive per second; this allows the bandwidth to be throttled to a specified data rate; if not specified, the data rate is not throttled")
.required(false) .required(false)
.addValidator(StandardValidators.DATA_SIZE_VALIDATOR) .addValidator(StandardValidators.DATA_SIZE_VALIDATOR)
.build(); .build();
public static final PropertyDescriptor SSL_CONTEXT_SERVICE = new PropertyDescriptor.Builder() public static final PropertyDescriptor SSL_CONTEXT_SERVICE = new PropertyDescriptor.Builder()
.name("SSL Context Service") .name("SSL Context Service")
.description("The Controller Service to use in order to obtain an SSL Context") .description("The Controller Service to use in order to obtain an SSL Context")
.required(false) .required(false)
.identifiesControllerService(SSLContextService.class) .identifiesControllerService(SSLContextService.class)
.build(); .build();
public static final PropertyDescriptor HEADERS_AS_ATTRIBUTES_REGEX = new PropertyDescriptor.Builder() public static final PropertyDescriptor HEADERS_AS_ATTRIBUTES_REGEX = new PropertyDescriptor.Builder()
.name("HTTP Headers to receive as Attributes (Regex)") .name("HTTP Headers to receive as Attributes (Regex)")
.description("Specifies the Regular Expression that determines the names of HTTP Headers that should be passed along as FlowFile attributes") .description("Specifies the Regular Expression that determines the names of HTTP Headers that should be passed along as FlowFile attributes")
.addValidator(StandardValidators.REGULAR_EXPRESSION_VALIDATOR) .addValidator(StandardValidators.REGULAR_EXPRESSION_VALIDATOR)
.required(false) .required(false)
.build(); .build();
public static final String CONTEXT_ATTRIBUTE_PROCESSOR = "processor"; public static final String CONTEXT_ATTRIBUTE_PROCESSOR = "processor";
public static final String CONTEXT_ATTRIBUTE_LOGGER = "logger"; public static final String CONTEXT_ATTRIBUTE_LOGGER = "logger";
@ -173,7 +172,7 @@ public class ListenHTTP extends AbstractSessionFactoryProcessor {
toShutdown.stop(); toShutdown.stop();
toShutdown.destroy(); toShutdown.destroy();
} catch (final Exception ex) { } catch (final Exception ex) {
getLogger().warn("unable to cleanly shutdown embedded server due to {}", new Object[]{ex}); getLogger().warn("unable to cleanly shutdown embedded server due to {}", new Object[] {ex});
this.server = null; this.server = null;
} }
} }
@ -235,18 +234,17 @@ public class ListenHTTP extends AbstractSessionFactoryProcessor {
connector.setPort(port); connector.setPort(port);
// add the connector to the server // add the connector to the server
server.setConnectors(new Connector[]{connector}); server.setConnectors(new Connector[] {connector});
final ServletContextHandler contextHandler = new ServletContextHandler(server, "/", true, (keystorePath != null)); final ServletContextHandler contextHandler = new ServletContextHandler(server, "/", true, (keystorePath != null));
for (final Class<? extends Servlet> cls : getServerClasses()) { for (final Class<? extends Servlet> cls : getServerClasses()) {
final Path path = cls.getAnnotation(Path.class); final Path path = cls.getAnnotation(Path.class);
// Note: servlets must have a path annotation - this will NPE otherwise // Note: servlets must have a path annotation - this will NPE otherwise
// also, servlets other than ListenHttpServlet must have a path starting with / // also, servlets other than ListenHttpServlet must have a path starting with /
if(basePath.isEmpty() && !path.value().isEmpty()){ if (basePath.isEmpty() && !path.value().isEmpty()) {
// Note: this is to handle the condition of an empty uri, otherwise pathSpec would start with // // Note: this is to handle the condition of an empty uri, otherwise pathSpec would start with //
contextHandler.addServlet(cls, path.value()); contextHandler.addServlet(cls, path.value());
} } else {
else{
contextHandler.addServlet(cls, "/" + basePath + path.value()); contextHandler.addServlet(cls, "/" + basePath + path.value());
} }
} }
@ -304,7 +302,7 @@ public class ListenHTTP extends AbstractSessionFactoryProcessor {
for (final String id : findOldFlowFileIds(context)) { for (final String id : findOldFlowFileIds(context)) {
final FlowFileEntryTimeWrapper wrapper = flowFileMap.remove(id); final FlowFileEntryTimeWrapper wrapper = flowFileMap.remove(id);
if (wrapper != null) { if (wrapper != null) {
getLogger().warn("failed to received acknowledgment for HOLD with ID {}; rolling back session", new Object[]{id}); getLogger().warn("failed to received acknowledgment for HOLD with ID {}; rolling back session", new Object[] {id});
wrapper.session.rollback(); wrapper.session.rollback();
} }
} }

96
nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/PutDistributedMapCache.java
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@ -16,6 +16,16 @@
*/ */
package org.apache.nifi.processors.standard; package org.apache.nifi.processors.standard;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.apache.commons.lang3.StringUtils; import org.apache.commons.lang3.StringUtils;
import org.apache.nifi.annotation.behavior.EventDriven; import org.apache.nifi.annotation.behavior.EventDriven;
import org.apache.nifi.annotation.behavior.SupportsBatching; import org.apache.nifi.annotation.behavior.SupportsBatching;
@ -33,24 +43,22 @@ import org.apache.nifi.distributed.cache.client.exception.SerializationException
import org.apache.nifi.expression.AttributeExpression.ResultType; import org.apache.nifi.expression.AttributeExpression.ResultType;
import org.apache.nifi.flowfile.FlowFile; import org.apache.nifi.flowfile.FlowFile;
import org.apache.nifi.logging.ProcessorLog; import org.apache.nifi.logging.ProcessorLog;
import org.apache.nifi.processor.*; import org.apache.nifi.processor.AbstractProcessor;
import org.apache.nifi.processor.DataUnit;
import org.apache.nifi.processor.ProcessContext;
import org.apache.nifi.processor.ProcessSession;
import org.apache.nifi.processor.Relationship;
import org.apache.nifi.processor.exception.ProcessException; import org.apache.nifi.processor.exception.ProcessException;
import org.apache.nifi.processor.util.StandardValidators; import org.apache.nifi.processor.util.StandardValidators;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.nio.charset.StandardCharsets;
import java.util.*;
@EventDriven @EventDriven
@SupportsBatching @SupportsBatching
@Tags({"map", "cache", "put", "distributed"}) @Tags({"map", "cache", "put", "distributed"})
@CapabilityDescription("Gets the content of a FlowFile and puts it to a distributed map cache, using a cache key " + @CapabilityDescription("Gets the content of a FlowFile and puts it to a distributed map cache, using a cache key " +
"computed from FlowFile attributes. If the cache already contains the entry and the cache update strategy is " + "computed from FlowFile attributes. If the cache already contains the entry and the cache update strategy is " +
"'keep original' the entry is not replaced.'") "'keep original' the entry is not replaced.'")
@WritesAttribute(attribute = "cached", description = "All FlowFiles will have an attribute 'cached'. The value of this " + @WritesAttribute(attribute = "cached", description = "All FlowFiles will have an attribute 'cached'. The value of this " +
"attribute is true, is the FlowFile is cached, otherwise false.") "attribute is true, is the FlowFile is cached, otherwise false.")
@SeeAlso(classNames = {"org.apache.nifi.distributed.cache.client.DistributedMapCacheClientService", "org.apache.nifi.distributed.cache.server.map.DistributedMapCacheServer"}) @SeeAlso(classNames = {"org.apache.nifi.distributed.cache.client.DistributedMapCacheClientService", "org.apache.nifi.distributed.cache.server.map.DistributedMapCacheServer"})
public class PutDistributedMapCache extends AbstractProcessor { public class PutDistributedMapCache extends AbstractProcessor {
@ -58,55 +66,55 @@ public class PutDistributedMapCache extends AbstractProcessor {
// Identifies the distributed map cache client // Identifies the distributed map cache client
public static final PropertyDescriptor DISTRIBUTED_CACHE_SERVICE = new PropertyDescriptor.Builder() public static final PropertyDescriptor DISTRIBUTED_CACHE_SERVICE = new PropertyDescriptor.Builder()
.name("Distributed Cache Service") .name("Distributed Cache Service")
.description("The Controller Service that is used to cache flow files") .description("The Controller Service that is used to cache flow files")
.required(true) .required(true)
.identifiesControllerService(DistributedMapCacheClient.class) .identifiesControllerService(DistributedMapCacheClient.class)
.build(); .build();
// Selects the FlowFile attribute, whose value is used as cache key // Selects the FlowFile attribute, whose value is used as cache key
public static final PropertyDescriptor CACHE_ENTRY_IDENTIFIER = new PropertyDescriptor.Builder() public static final PropertyDescriptor CACHE_ENTRY_IDENTIFIER = new PropertyDescriptor.Builder()
.name("Cache Entry Identifier") .name("Cache Entry Identifier")
.description("A FlowFile attribute, or the results of an Attribute Expression Language statement, which will " + .description("A FlowFile attribute, or the results of an Attribute Expression Language statement, which will " +
"be evaluated against a FlowFile in order to determine the cache key") "be evaluated against a FlowFile in order to determine the cache key")
.required(true) .required(true)
.addValidator(StandardValidators.createAttributeExpressionLanguageValidator(ResultType.STRING, true)) .addValidator(StandardValidators.createAttributeExpressionLanguageValidator(ResultType.STRING, true))
.expressionLanguageSupported(true) .expressionLanguageSupported(true)
.build(); .build();
public static final AllowableValue CACHE_UPDATE_REPLACE = new AllowableValue("replace", "Replace if present", public static final AllowableValue CACHE_UPDATE_REPLACE = new AllowableValue("replace", "Replace if present",
"Adds the specified entry to the cache, replacing any value that is currently set."); "Adds the specified entry to the cache, replacing any value that is currently set.");
public static final AllowableValue CACHE_UPDATE_KEEP_ORIGINAL = new AllowableValue("keeporiginal", "Keep original", public static final AllowableValue CACHE_UPDATE_KEEP_ORIGINAL = new AllowableValue("keeporiginal", "Keep original",
"Adds the specified entry to the cache, if the key does not exist."); "Adds the specified entry to the cache, if the key does not exist.");
public static final PropertyDescriptor CACHE_UPDATE_STRATEGY = new PropertyDescriptor.Builder() public static final PropertyDescriptor CACHE_UPDATE_STRATEGY = new PropertyDescriptor.Builder()
.name("Cache update strategy") .name("Cache update strategy")
.description("Determines how the cache is updated if the cache already contains the entry") .description("Determines how the cache is updated if the cache already contains the entry")
.required(true) .required(true)
.allowableValues(CACHE_UPDATE_REPLACE, CACHE_UPDATE_KEEP_ORIGINAL) .allowableValues(CACHE_UPDATE_REPLACE, CACHE_UPDATE_KEEP_ORIGINAL)
.defaultValue(CACHE_UPDATE_REPLACE.getValue()) .defaultValue(CACHE_UPDATE_REPLACE.getValue())
.build(); .build();
public static final PropertyDescriptor CACHE_ENTRY_MAX_BYTES = new PropertyDescriptor.Builder() public static final PropertyDescriptor CACHE_ENTRY_MAX_BYTES = new PropertyDescriptor.Builder()
.name("Max cache entry size") .name("Max cache entry size")
.description("The maximum amount of data to put into cache") .description("The maximum amount of data to put into cache")
.required(false) .required(false)
.addValidator(StandardValidators.DATA_SIZE_VALIDATOR) .addValidator(StandardValidators.DATA_SIZE_VALIDATOR)
.defaultValue("1 MB") .defaultValue("1 MB")
.expressionLanguageSupported(false) .expressionLanguageSupported(false)
.build(); .build();
public static final Relationship REL_SUCCESS = new Relationship.Builder() public static final Relationship REL_SUCCESS = new Relationship.Builder()
.name("success") .name("success")
.description("Any FlowFile that is successfully inserted into cache will be routed to this relationship") .description("Any FlowFile that is successfully inserted into cache will be routed to this relationship")
.build(); .build();
public static final Relationship REL_FAILURE = new Relationship.Builder() public static final Relationship REL_FAILURE = new Relationship.Builder()
.name("failure") .name("failure")
.description("Any FlowFile that cannot be inserted into the cache will be routed to this relationship") .description("Any FlowFile that cannot be inserted into the cache will be routed to this relationship")
.build(); .build();
private final Set<Relationship> relationships; private final Set<Relationship> relationships;
private final Serializer<String> keySerializer = new StringSerializer(); private final Serializer<String> keySerializer = new StringSerializer();
@ -207,7 +215,7 @@ public class PutDistributedMapCache extends AbstractProcessor {
} catch (final IOException e) { } catch (final IOException e) {
flowFile = session.penalize(flowFile); flowFile = session.penalize(flowFile);
session.transfer(flowFile, REL_FAILURE); session.transfer(flowFile, REL_FAILURE);
logger.error("Unable to communicate with cache when processing {} due to {}", new Object[]{flowFile, e}); logger.error("Unable to communicate with cache when processing {} due to {}", new Object[] {flowFile, e});
} }
} }

31
nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/test/java/org/apache/nifi/processors/standard/TestPutDistributedMapCache.java
View File

@ -16,6 +16,14 @@
*/ */
package org.apache.nifi.processors.standard; package org.apache.nifi.processors.standard;
import static org.junit.Assert.assertEquals;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import org.apache.nifi.controller.AbstractControllerService; import org.apache.nifi.controller.AbstractControllerService;
import org.apache.nifi.distributed.cache.client.Deserializer; import org.apache.nifi.distributed.cache.client.Deserializer;
import org.apache.nifi.distributed.cache.client.DistributedMapCacheClient; import org.apache.nifi.distributed.cache.client.DistributedMapCacheClient;
@ -26,22 +34,11 @@ import org.apache.nifi.util.TestRunner;
import org.apache.nifi.util.TestRunners; import org.apache.nifi.util.TestRunners;
import org.junit.Before; import org.junit.Before;
import org.junit.Test; import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import static org.junit.Assert.assertEquals;
public class TestPutDistributedMapCache { public class TestPutDistributedMapCache {
private TestRunner runner; private TestRunner runner;
private MockCacheClient service; private MockCacheClient service;
private PutDistributedMapCache processor;
@Before @Before
public void setup() throws InitializationException { public void setup() throws InitializationException {
@ -57,7 +54,7 @@ public class TestPutDistributedMapCache {
public void testNoCacheKey() throws InitializationException { public void testNoCacheKey() throws InitializationException {
runner.setProperty(PutDistributedMapCache.CACHE_ENTRY_IDENTIFIER, "${caheKeyAttribute}"); runner.setProperty(PutDistributedMapCache.CACHE_ENTRY_IDENTIFIER, "${caheKeyAttribute}");
runner.enqueue(new byte[]{}); runner.enqueue(new byte[] {});
runner.run(); runner.run();
@ -99,7 +96,7 @@ public class TestPutDistributedMapCache {
props.put("caheKeyAttribute", "2"); props.put("caheKeyAttribute", "2");
// flow file without content // flow file without content
runner.enqueue(new byte[]{}, props); runner.enqueue(new byte[] {}, props);
runner.run(); runner.run();
@ -171,7 +168,7 @@ public class TestPutDistributedMapCache {
runner.clearTransferState(); runner.clearTransferState();
//we expect that the cache entry is replaced // we expect that the cache entry is replaced
value = service.get("replaceme", new PutDistributedMapCache.StringSerializer(), new PutDistributedMapCache.CacheValueDeserializer()); value = service.get("replaceme", new PutDistributedMapCache.StringSerializer(), new PutDistributedMapCache.CacheValueDeserializer());
assertEquals(replaced, new String(value, "UTF-8")); assertEquals(replaced, new String(value, "UTF-8"));
} }
@ -215,7 +212,7 @@ public class TestPutDistributedMapCache {
runner.clearTransferState(); runner.clearTransferState();
//we expect that the cache entry is NOT replaced // we expect that the cache entry is NOT replaced
value = service.get("replaceme", new PutDistributedMapCache.StringSerializer(), new PutDistributedMapCache.CacheValueDeserializer()); value = service.get("replaceme", new PutDistributedMapCache.StringSerializer(), new PutDistributedMapCache.CacheValueDeserializer());
assertEquals(original, new String(value, "UTF-8")); assertEquals(original, new String(value, "UTF-8"));
} }
@ -225,7 +222,7 @@ public class TestPutDistributedMapCache {
private boolean failOnCalls = false; private boolean failOnCalls = false;
private void verifyNotFail() throws IOException { private void verifyNotFail() throws IOException {
if ( failOnCalls ) { if (failOnCalls) {
throw new IOException("Could not call to remote service because Unit Test marked service unavailable"); throw new IOException("Could not call to remote service because Unit Test marked service unavailable");
} }
} }
@ -240,7 +237,7 @@ public class TestPutDistributedMapCache {
@Override @Override
@SuppressWarnings("unchecked") @SuppressWarnings("unchecked")
public <K, V> V getAndPutIfAbsent(final K key, final V value, final Serializer<K> keySerializer, final Serializer<V> valueSerializer, public <K, V> V getAndPutIfAbsent(final K key, final V value, final Serializer<K> keySerializer, final Serializer<V> valueSerializer,
final Deserializer<V> valueDeserializer) throws IOException { final Deserializer<V> valueDeserializer) throws IOException {
verifyNotFail(); verifyNotFail();
return (V) values.putIfAbsent(key, value); return (V) values.putIfAbsent(key, value);
} }