net.logstash.logback.util.ThreadLocalReusableByteBuffer Maven / Gradle / Ivy
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/*
* Copyright 2013-2022 the original author or authors.
*
* Licensed 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 net.logstash.logback.util;
/**
* A pool of {@link ReusableByteBuffer}.
*
* Note: This class is for internal use only and subject to backward incompatible change
* at any time.
*
* @author brenuart
*/
public class ThreadLocalReusableByteBuffer extends ThreadLocalHolder {
/**
* Create a new instance with an initial capacity of {@code initialSize} bytes.
*
* @param initialCapacity the initial capacity of buffers
*/
public ThreadLocalReusableByteBuffer(int initialCapacity) {
super(() -> new ReusableByteBuffer(initialCapacity));
if (initialCapacity <= 0) {
throw new IllegalArgumentException("initialCapacity must be greater than 0");
}
}
/**
* Create a new instance with an initial capacity set to {@value ReusableByteBuffer#DEFAULT_INITIAL_CAPACITY}
*/
public ThreadLocalReusableByteBuffer() {
this(ReusableByteBuffer.DEFAULT_INITIAL_CAPACITY);
}
/**
* Return a buffer to the pool after usage.
*
* @param buffer the buffer to return to the pool.
*/
@Override
protected boolean recycleInstance(ReusableByteBuffer buffer) {
buffer.reset();
return true;
}
}