StringBuilderPoolFactory.java

/**
 * Copyright 2017 StreamSets Inc.
 *
 * Licensed under 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.streamsets.pipeline.lib.parser;

import org.apache.commons.pool2.BasePooledObjectFactory;
import org.apache.commons.pool2.PooledObject;
import org.apache.commons.pool2.impl.DefaultPooledObject;

public class StringBuilderPoolFactory extends BasePooledObjectFactory<StringBuilder> {

  private final int maxObjectLength;

  public StringBuilderPoolFactory(int maxObjectLength) {
    this.maxObjectLength = maxObjectLength;
  }

  @Override
  public StringBuilder create() throws Exception {
    return  new StringBuilder(maxObjectLength);
  }

  @Override
  public PooledObject<StringBuilder> wrap(StringBuilder stringBuilder) {
    return new DefaultPooledObject<>(stringBuilder);
  }
}