com.amazonaws.services.dynamodbv2.streamsadapter

Class StreamsLeaseCleanupValidator

java.lang.Object

com.amazonaws.services.dynamodbv2.streamsadapter.StreamsLeaseCleanupValidator

All Implemented Interfaces:

com.amazonaws.services.kinesis.clientlibrary.lib.worker.LeaseCleanupValidator

public class StreamsLeaseCleanupValidator
extends java.lang.Object
implements com.amazonaws.services.kinesis.clientlibrary.lib.worker.LeaseCleanupValidator

Decides if a lease is eligible for cleanup.

Constructor Summary

Constructors

Constructor and Description
StreamsLeaseCleanupValidator()

Method Summary

Modifier and Type	Method and Description
boolean	isCandidateForCleanup(com.amazonaws.services.kinesis.leases.impl.KinesisClientLease lease, java.util.Set<java.lang.String> currentKinesisShardIds)

Methods inherited from class java.lang.Object

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

Constructor Detail

StreamsLeaseCleanupValidator

public StreamsLeaseCleanupValidator()

Method Detail

isCandidateForCleanup

public boolean isCandidateForCleanup(com.amazonaws.services.kinesis.leases.impl.KinesisClientLease lease,
                                     java.util.Set<java.lang.String> currentKinesisShardIds)
                              throws com.amazonaws.services.kinesis.clientlibrary.exceptions.internal.KinesisClientLibIOException

Specified by:

isCandidateForCleanup in interface com.amazonaws.services.kinesis.clientlibrary.lib.worker.LeaseCleanupValidator

Parameters:

lease - Candidate shard we are considering for deletion.

currentKinesisShardIds - List of leases currently held by the worker.

Returns:

true if neither the shard (corresponding to the lease), nor its parents are present in currentKinesisShardIds

Throws:

com.amazonaws.services.kinesis.clientlibrary.exceptions.internal.KinesisClientLibIOException - Thrown if currentKinesisShardIds contains a parent shard but not the child shard (we are evaluating for deletion).