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/*
* File: GetClusterMemberUIDs.java
*
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*
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* the Common Development and Distribution License 1.0 (the "License").
*
* You may not use this file except in compliance with the License.
*
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* distributed with this file, or by consulting https://oss.oracle.com/licenses/CDDL
*
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* file and include the License file LICENSE.txt.
*
* MODIFICATIONS:
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package com.oracle.bedrock.runtime.coherence.callables;
import com.oracle.bedrock.runtime.concurrent.RemoteCallable;
import com.tangosol.net.CacheFactory;
import com.tangosol.net.Member;
import com.tangosol.util.UID;
import java.util.Set;
import java.util.TreeSet;
/**
* A {@link RemoteCallable} to remotely determine the Coherence {@link UID}s of all of the
* Cluster Members.
*
* Copyright (c) 2021. All Rights Reserved. Oracle Corporation.
* Oracle is a registered trademark of Oracle Corporation and/or its affiliates.
*
* @author Brian Oliver
*/
public class GetClusterMemberUIDs implements RemoteCallable>
{
@Override
public Set call() throws Exception
{
// attempt to get the cluster
com.tangosol.net.Cluster cluster = CacheFactory.getCluster();
if (cluster == null)
{
return null;
}
else
{
TreeSet memberUIDs = new TreeSet();
Set memberSet = cluster.getMemberSet();
for (Member member : memberSet)
{
memberUIDs.add(member.getUid());
}
return memberUIDs;
}
}
}