| /** |
| * 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 org.apache.tez.runtime.api.impl; |
| |
| import java.io.DataInput; |
| import java.io.DataOutput; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.apache.hadoop.io.Writable; |
| |
| public class TezHeartbeatResponse implements Writable { |
| |
| private long lastRequestId; |
| private boolean shouldDie = false; |
| private List<TezEvent> events; |
| private int nextFromEventId; |
| private int nextPreRoutedEventId; |
| |
| public TezHeartbeatResponse() { |
| } |
| |
| public TezHeartbeatResponse(List<TezEvent> events) { |
| this.events = Collections.unmodifiableList(events); |
| } |
| |
| public List<TezEvent> getEvents() { |
| return events; |
| } |
| |
| public boolean shouldDie() { |
| return shouldDie; |
| } |
| |
| public long getLastRequestId() { |
| return lastRequestId; |
| } |
| |
| public int getNextFromEventId() { |
| return nextFromEventId; |
| } |
| |
| public int getNextPreRoutedEventId() { |
| return nextPreRoutedEventId; |
| } |
| |
| public void setEvents(List<TezEvent> events) { |
| this.events = Collections.unmodifiableList(events); |
| } |
| |
| public void setLastRequestId(long lastRequestId ) { |
| this.lastRequestId = lastRequestId; |
| } |
| |
| public void setShouldDie() { |
| this.shouldDie = true; |
| } |
| |
| public void setNextFromEventId(int nextFromEventId) { |
| this.nextFromEventId = nextFromEventId; |
| } |
| |
| public void setNextPreRoutedEventId(int nextPreRoutedEventId) { |
| this.nextPreRoutedEventId = nextPreRoutedEventId; |
| } |
| |
| @Override |
| public void write(DataOutput out) throws IOException { |
| out.writeLong(lastRequestId); |
| out.writeBoolean(shouldDie); |
| out.writeInt(nextFromEventId); |
| out.writeInt(nextPreRoutedEventId); |
| if(events != null) { |
| out.writeBoolean(true); |
| out.writeInt(events.size()); |
| for (TezEvent e : events) { |
| e.write(out); |
| } |
| } else { |
| out.writeBoolean(false); |
| } |
| } |
| |
| @Override |
| public void readFields(DataInput in) throws IOException { |
| lastRequestId = in.readLong(); |
| shouldDie = in.readBoolean(); |
| nextFromEventId = in.readInt(); |
| nextPreRoutedEventId = in.readInt(); |
| if(in.readBoolean()) { |
| int eventCount = in.readInt(); |
| events = new ArrayList<TezEvent>(eventCount); |
| for (int i = 0; i < eventCount; ++i) { |
| TezEvent e = new TezEvent(); |
| e.readFields(in); |
| events.add(e); |
| } |
| } |
| } |
| |
| @Override |
| public String toString() { |
| return "{ " |
| + " lastRequestId=" + lastRequestId |
| + ", shouldDie=" + shouldDie |
| + ", nextFromEventId=" + nextFromEventId |
| + ", nextPreRoutedEventId=" + nextPreRoutedEventId |
| + ", eventCount=" + (events != null ? events.size() : 0) |
| + " }"; |
| } |
| } |