/**
* 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 com.alibaba.jstorm.transactional;
import java.util.ArrayList;
import java.util.List;
public class PendingBatch {
public List<byte[]> tuples = new ArrayList<>();
protected final Object lock = new Object();
protected volatile boolean isActive = true;
public PendingBatch(long batchId) {
}
public void addTuples(byte[] data) {
synchronized (lock) {
tuples.add(data);
}
}
public List<byte[]> getTuples() {
List<byte[]> ret;
synchronized (lock) {
isActive = false;
ret = tuples;
tuples = null;
}
return ret;
}
public void removeTuples() {
synchronized (lock) {
tuples = null;
isActive = false;
}
}
public boolean isEmpty() {
return !isActive && (tuples == null || tuples.size() == 0);
}
@Override
public String toString() {
return "isActive: " + isActive + ", Pending tuple size:" + (tuples != null ? tuples.size() : 0);
}
}