001 /* 002 * Copyright 2010 Red Hat, Inc. 003 * Red Hat licenses this file to you under the Apache License, version 004 * 2.0 (the "License"); you may not use this file except in compliance 005 * with the License. You may obtain a copy of the License at 006 * http://www.apache.org/licenses/LICENSE-2.0 007 * Unless required by applicable law or agreed to in writing, software 008 * distributed under the License is distributed on an "AS IS" BASIS, 009 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 010 * implied. See the License for the specific language governing 011 * permissions and limitations under the License. 012 */ 013 014 package org.hornetq.spi.core.remoting; 015 016 import org.hornetq.api.core.HornetQBuffer; 017 018 /** 019 * A BufferDecoder 020 * 021 * @author tim 022 * 023 * 024 */ 025 public interface BufferDecoder 026 { 027 /** 028 * called by the remoting system prior to {@link org.hornetq.spi.core.remoting.BufferHandler#bufferReceived(Object, org.hornetq.api.core.HornetQBuffer)}. 029 * <p/> 030 * The implementation should return true if there is enough data in the buffer to decode. otherwise false. 031 * 032 * @param buffer the buffer 033 * @return true id the buffer can be decoded.. 034 */ 035 int isReadyToHandle(HornetQBuffer buffer); 036 }