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Added option for queue name to be emitted along with message content #6

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Added option for queue name to be emitted along with message content #6

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62d3381
Queue name can now be added to emitted fields
Aug 17, 2012
a8c274b
Removed unneccessary import of Values
Aug 17, 2012
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27 changes: 25 additions & 2 deletions src/jvm/backtype/storm/spout/KestrelThriftSpout.java
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Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,7 @@ public class KestrelThriftSpout extends BaseRichSpout {
private String _queueName = null;
private SpoutOutputCollector _collector;
private Scheme _scheme;
private boolean _shouldEmitQueueName = false;

private List<KestrelClientInfo> _kestrels;
private int _emitIndex;
Expand Down Expand Up @@ -93,30 +94,51 @@ public void closeClient() {
}
}

public KestrelThriftSpout(List<String> hosts, int port, String queueName, Scheme scheme) {
public KestrelThriftSpout(List<String> hosts, int port, String queueName, Scheme scheme, boolean shouldEmitQueueName) {
if(hosts.isEmpty()) {
throw new IllegalArgumentException("Must configure at least one host");
}
_port = port;
_hosts = hosts;
_queueName = queueName;
_scheme = scheme;
_shouldEmitQueueName = shouldEmitQueueName;
}

public KestrelThriftSpout(List<String> hosts, int port, String queueName, Scheme scheme) {
this(hosts, port, queueName, scheme, false);
}

public KestrelThriftSpout(String hostname, int port, String queueName, Scheme scheme, boolean shouldEmitQueueName) {
this(Arrays.asList(hostname), port, queueName, scheme, shouldEmitQueueName);
}

public KestrelThriftSpout(String hostname, int port, String queueName, Scheme scheme) {
this(Arrays.asList(hostname), port, queueName, scheme);
}

public KestrelThriftSpout(String hostname, int port, String queueName, boolean shouldEmitQueueName) {
this(hostname, port, queueName, new RawScheme(), shouldEmitQueueName);
}

public KestrelThriftSpout(String hostname, int port, String queueName) {
this(hostname, port, queueName, new RawScheme());
}

public KestrelThriftSpout(List<String> hosts, int port, String queueName, boolean shouldEmitQueueName) {
this(hosts, port, queueName, new RawScheme(), shouldEmitQueueName);
}

public KestrelThriftSpout(List<String> hosts, int port, String queueName) {
this(hosts, port, queueName, new RawScheme());
}

public Fields getOutputFields() {
return _scheme.getOutputFields();
if (_shouldEmitQueueName) {
List<String> fields = _scheme.getOutputFields().toList();
fields.add("queue");
return new Fields(fields);
} else return _scheme.getOutputFields();
}

int _messageTimeoutMillis;
Expand Down Expand Up @@ -174,6 +196,7 @@ public boolean bufferKestrelGet(int index) {

for(Item item : items) {
List<Object> retItems = _scheme.deserialize(item.get_data());
if (_shouldEmitQueueName) retItems.add(_queueName);

if (retItems != null) {
EmitItem emitItem = new EmitItem(retItems, new KestrelSourceId(index, item.get_id()));
Expand Down