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/*******************************************************************************
* ============LICENSE_START=======================================================
* org.onap.dmaap
* ================================================================================
* Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
*
*******************************************************************************/
package com.att.nsa.mr.test.support;
import java.util.Collection;
import java.util.LinkedList;
import java.util.List;
import java.util.concurrent.TimeUnit;
import org.slf4j.Logger;
import com.att.nsa.mr.client.MRBatchingPublisher;
import com.att.nsa.mr.client.response.MRPublisherResponse;
/**
* A helper for unit testing systems that use a MRPublisher. When setting
* up your test, inject an instance into MRClientFactory to have it return
* the mock client.
*
* @author author
*
*/
public class MRBatchingPublisherMock implements MRBatchingPublisher
{
public class Entry
{
public Entry ( String partition, String msg )
{
fPartition = partition;
fMessage = msg;
}
@Override
public String toString ()
{
return fMessage;
}
public final String fPartition;
public final String fMessage;
}
public MRBatchingPublisherMock ()
{
fCaptures = new LinkedList<> ();
}
public interface Listener
{
void onMessage ( Entry e );
}
public void addListener ( Listener listener )
{
fListeners.add ( listener );
}
public List<Entry> getCaptures ()
{
return getCaptures ( new MessageFilter () { @Override public boolean match ( String msg ) { return true; } } );
}
public interface MessageFilter
{
boolean match ( String msg );
}
public List<Entry> getCaptures ( MessageFilter filter )
{
final LinkedList<Entry> result = new LinkedList<> ();
for ( Entry capture : fCaptures )
{
if ( filter.match ( capture.fMessage ) )
{
result.add ( capture );
}
}
return result;
}
public int received ()
{
return fCaptures.size();
}
public void reset ()
{
fCaptures.clear ();
}
@Override
public int send ( String partition, String msg )
{
final Entry e = new Entry ( partition, msg );
fCaptures.add ( e );
for ( Listener l : fListeners )
{
l.onMessage ( e );
}
return 1;
}
@Override
public int send ( message msg )
{
return send ( msg.fPartition, msg.fMsg );
}
@Override
public int send ( String msg )
{
return 1;
}
@Override
public int send ( Collection<message> msgs )
{
int sum = 0;
for ( message m : msgs )
{
sum += send ( m );
}
return sum;
}
@Override
public int getPendingMessageCount ()
{
return 0;
}
@Override
public List<message> close ( long timeout, TimeUnit timeoutUnits )
{
return new LinkedList<> ();
}
@Override
public void close ()
{
}
@Override
public void setApiCredentials ( String apiKey, String apiSecret )
{
}
@Override
public void clearApiCredentials ()
{
}
@Override
public void logTo ( Logger log )
{
}
private final LinkedList<Entry> fCaptures;
private LinkedList<Listener> fListeners = new LinkedList<> ();
@Override
public MRPublisherResponse sendBatchWithResponse() {
// TODO Auto-generated method stub
return null;
}
}
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