org.apache.druid.segment.realtime.firehose

Class PredicateFirehose

java.lang.Object

org.apache.druid.segment.realtime.firehose.PredicateFirehose

All Implemented Interfaces:

Closeable, AutoCloseable, org.apache.druid.data.input.Firehose

public class PredicateFirehose
extends Object
implements org.apache.druid.data.input.Firehose

Provides a view on a firehose that only returns rows that match a certain predicate. Not thread-safe.

Constructor Summary

Constructors

Constructor and Description
PredicateFirehose(org.apache.druid.data.input.Firehose firehose, com.google.common.base.Predicate<org.apache.druid.data.input.InputRow> predicate)

Method Summary

Modifier and Type	Method and Description
void	close()
Runnable	commit()
boolean	hasMore()
org.apache.druid.data.input.InputRow	nextRow()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PredicateFirehose

public PredicateFirehose(org.apache.druid.data.input.Firehose firehose,
                         com.google.common.base.Predicate<org.apache.druid.data.input.InputRow> predicate)

Method Detail

hasMore

public boolean hasMore()

Specified by:

hasMore in interface org.apache.druid.data.input.Firehose

nextRow

@Nullable
public org.apache.druid.data.input.InputRow nextRow()

Specified by:

nextRow in interface org.apache.druid.data.input.Firehose

commit

public Runnable commit()

Specified by:

commit in interface org.apache.druid.data.input.Firehose

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException