Java tutorial
/** * Copyright (c) 2013-2019 Nikita Koksharov * * 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.redisson.tomcat; import java.io.IOException; import java.io.Serializable; import org.redisson.client.protocol.Decoder; import org.redisson.client.protocol.Encoder; import io.netty.buffer.ByteBuf; import io.netty.buffer.ByteBufUtil; import io.netty.buffer.Unpooled; /** * * @author Nikita Koksharov * */ public class AttributeMessage implements Serializable { private String sessionId; private String nodeId; public AttributeMessage() { } public AttributeMessage(String nodeId, String sessionId) { this.nodeId = nodeId; this.sessionId = sessionId; } public String getSessionId() { return sessionId; } public String getNodeId() { return nodeId; } protected byte[] toByteArray(Encoder encoder, Object value) throws IOException { if (value == null) { return null; } ByteBuf buf = encoder.encode(value); try { return ByteBufUtil.getBytes(buf); } finally { buf.release(); } } protected Object toObject(Decoder<?> decoder, byte[] value) throws IOException, ClassNotFoundException { if (value == null) { return null; } ByteBuf buf = Unpooled.wrappedBuffer(value); try { return decoder.decode(buf, null); } finally { buf.release(); } } }