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NIFI-2483: Removed 'passthrough' relationship 

This closes #789.

Signed-off-by: Bryan Bende <bbende@apache.org>
This commit is contained in:
Mark Payne 2016-08-04 10:41:18 -04:00 committed by Bryan Bende
parent 7ba10a6dea
commit 0e0166cec5
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1 changed files with 2 additions and 16 deletions
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18
nifi-nar-bundles/nifi-hadoop-bundle/nifi-hdfs-processors/src/main/java/org/apache/nifi/processors/hadoop/GetHDFS.java
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@ -64,7 +64,7 @@ import java.util.concurrent.locks.ReentrantLock;
import java.util.regex.Pattern;
@TriggerWhenEmpty
@InputRequirement(Requirement.INPUT_ALLOWED)
@InputRequirement(Requirement.INPUT_FORBIDDEN)
@Tags({"hadoop", "HDFS", "get", "fetch", "ingest", "source", "filesystem"})
@CapabilityDescription("Fetch files from Hadoop Distributed File System (HDFS) into FlowFiles. This Processor will delete the file from HDFS after fetching it.")
@WritesAttributes({
@ -85,12 +85,6 @@ public class GetHDFS extends AbstractHadoopProcessor {
.description("All files retrieved from HDFS are transferred to this relationship")
.build();
public static final Relationship REL_PASSTHROUGH = new Relationship.Builder()
.name("passthrough")
.description(
"If this processor has an input queue for some reason, then FlowFiles arriving on that input are transferred to this relationship")
.build();
// properties
public static final PropertyDescriptor DIRECTORY = new PropertyDescriptor.Builder()
.name(DIRECTORY_PROP_NAME)
@ -181,10 +175,7 @@ public class GetHDFS extends AbstractHadoopProcessor {
private static final Set<Relationship> relationships;
static {
final Set<Relationship> rels = new HashSet<>();
rels.add(REL_SUCCESS);
rels.add(REL_PASSTHROUGH);
relationships = Collections.unmodifiableSet(rels);
relationships = Collections.singleton(REL_SUCCESS);
}
protected ProcessorConfiguration processorConfig;
@ -259,13 +250,8 @@ public class GetHDFS extends AbstractHadoopProcessor {
@Override
public void onTrigger(ProcessContext context, ProcessSession session) throws ProcessException {
int batchSize = context.getProperty(BATCH_SIZE).asInteger();
final List<Path> files = new ArrayList<>(batchSize);
List<FlowFile> inputFlowFiles = session.get(10);
for (FlowFile ff : inputFlowFiles) {
session.transfer(ff, REL_PASSTHROUGH);
}
// retrieve new file names from HDFS and place them into work queue
if (filePathQueue.size() < MAX_WORKING_QUEUE_SIZE / 2) {