org.xnio.BufferAllocator Maven / Gradle / Ivy
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This artifact provides a single jar that contains all classes required to use remote EJB and JMS, including
all dependencies. It is intended for use by those not using maven, maven users should just import the EJB and
JMS BOM's instead (shaded JAR's cause lots of problems with maven, as it is very easy to inadvertently end up
with different versions on classes on the class path).
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/*
* JBoss, Home of Professional Open Source
*
* Copyright 2011 Red Hat, Inc. and/or its affiliates, and individual
* contributors as indicated by the @author tags.
*
* 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 org.xnio;
import java.nio.Buffer;
import java.nio.ByteBuffer;
/**
* A simple allocator for buffers.
*
* @param the buffer type
*
* @author David M. Lloyd
*/
public interface BufferAllocator {
/**
* Allocate a buffer of the given size.
*
* @param size the size
* @return the buffer
* @throws IllegalArgumentException if the given buffer size is less than zero
*/
B allocate(int size) throws IllegalArgumentException;
/**
* A simple allocator for heap-array-backed byte buffers.
*/
BufferAllocator BYTE_BUFFER_ALLOCATOR = new BufferAllocator() {
public ByteBuffer allocate(final int size) {
return ByteBuffer.allocate(size);
}
};
/**
* A simple allocator for direct byte buffers.
*/
BufferAllocator DIRECT_BYTE_BUFFER_ALLOCATOR = new BufferAllocator() {
public ByteBuffer allocate(final int size) {
return ByteBuffer.allocateDirect(size);
}
};
}