/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
package backtype.storm.tuple;
import java.util.Iterator;
import java.util.List;
import com.alibaba.jstorm.utils.Pair;
import com.google.common.collect.Lists;
import org.apache.commons.lang.builder.ToStringBuilder;
import org.apache.commons.lang.builder.ToStringStyle;
import backtype.storm.task.GeneralTopologyContext;
public class TupleImplExt extends TupleImpl implements TupleExt {
protected int targetTaskId;
protected long creationTimeStamp;
protected boolean isBatchTuple = false;
protected long batchId;
public TupleImplExt() {
}
public TupleImplExt(GeneralTopologyContext context, List<Object> values, int taskId, String streamId) {
this(context, values, taskId, streamId, MessageId.makeUnanchored());
}
public TupleImplExt(GeneralTopologyContext context, List<Object> values, int taskId, String streamId, MessageId id) {
super(context, values, taskId, streamId, id);
creationTimeStamp = System.currentTimeMillis();
}
public TupleImplExt(GeneralTopologyContext context, List<Object> values, MessageId id, TupleImplExt tuple) {
super(context, values, tuple.getSourceTask(), tuple.getSourceStreamId(), id);
this.targetTaskId = tuple.getTargetTaskId();
this.creationTimeStamp = tuple.getCreationTimeStamp();
this.batchId = tuple.getBatchId();
}
@Override
public int getTargetTaskId() {
return targetTaskId;
}
@Override
public void setTargetTaskId(int targetTaskId) {
this.targetTaskId = targetTaskId;
}
@Override
public long getCreationTimeStamp() {
return creationTimeStamp;
}
@Override
public void setCreationTimeStamp(long timeStamp) {
this.creationTimeStamp = timeStamp;
}
@Override
public boolean isBatchTuple() {
return isBatchTuple;
}
@Override
public void setBatchTuple(boolean isBatchTuple) {
this.isBatchTuple = isBatchTuple;
}
public long getBatchId() {
return batchId;
}
public void setBatchId(long batchId) {
this.batchId = batchId;
}
public Iterator<List<Object>> valueIterator() {
if (isBatchTuple) {
return new TupleValueIterator(getValues().iterator());
} else {
return Lists.<List<Object>>newArrayList(getValues()).iterator();
}
}
@Override
public String toString() {
return ToStringBuilder.reflectionToString(this, ToStringStyle.SHORT_PREFIX_STYLE);
}
private class TupleValueIterator implements Iterator<List<Object>> {
private Iterator<Object> rawIterator;
public TupleValueIterator(Iterator<Object> rawIterator) {
this.rawIterator = rawIterator;
}
@Override
public boolean hasNext() {
return rawIterator.hasNext();
}
@Override
public List<Object> next() {
Pair<MessageId, List<Object>> value = (Pair<MessageId, List<Object>>) rawIterator.next();
return value.getSecond();
}
@Override
public void remove() {
rawIterator.remove();
}
}
}