darks.grid.beans.GridMessage.java Source code

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Here is the source code for darks.grid.beans.GridMessage.java

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/**
 * 
 * Copyright 2015 The Darks Grid Project (Liu lihua)
 *
 * 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 darks.grid.beans;

import io.netty.util.ReferenceCounted;

import java.io.Serializable;
import java.util.concurrent.atomic.AtomicInteger;

import darks.grid.network.GridSession;
import darks.grid.utils.UUIDUtils;

public class GridMessage implements Serializable, Cloneable, ReferenceCounted {

    private static final long serialVersionUID = -3272844069153062845L;

    public static final int MSG_JOIN = 1001;

    public static final int MSG_JOIN_REPLY = 1002;

    public static final int MSG_HEART_ALIVE = 1003;

    public static final int MSG_HEART_ALIVE_REPLY = 1004;

    public static final int MSG_MR_REQUEST = 2001;

    public static final int MSG_MR_RESPONSE = 2002;

    public static final int MSG_EVENT = 3001;

    private String id;

    private Object data;

    private int type;

    private boolean success = true;

    private String sourceId;

    private int sourceType;

    private long timestamp = System.currentTimeMillis();

    private transient GridSession session;

    AtomicInteger cnt = new AtomicInteger(0);

    public GridMessage() {
        this.id = UUIDUtils.newUUID();
        retain();
    }

    public GridMessage(Object data, int type) {
        this.id = UUIDUtils.newUUID();
        this.data = data;
        this.type = type;
        retain();
    }

    public GridMessage(Object data, int type, GridMessage source) {
        this.id = UUIDUtils.newUUID();
        this.data = data;
        this.type = type;
        this.sourceId = source.getId();
        this.sourceType = source.getType();
        retain();
    }

    public GridMessage(String id, Object data, int type) {
        this.id = id;
        this.data = data;
        this.type = type;
        retain();
    }

    @SuppressWarnings("unchecked")
    public <T> T getData() {
        return (T) data;
    }

    public void setData(Object data) {
        this.data = data;
    }

    public int getType() {
        return type;
    }

    public void setType(int type) {
        this.type = type;
    }

    public String getId() {
        return id;
    }

    public void setId(String id) {
        this.id = id;
    }

    public boolean isSuccess() {
        return success;
    }

    public void setSuccess(boolean success) {
        this.success = success;
    }

    public String getSourceId() {
        return sourceId;
    }

    public void setSourceId(String sourceId) {
        this.sourceId = sourceId;
    }

    public int getSourceType() {
        return sourceType;
    }

    public void setSourceType(int sourceType) {
        this.sourceType = sourceType;
    }

    public long getTimestamp() {
        return timestamp;
    }

    public void setTimestamp(long timestamp) {
        this.timestamp = timestamp;
    }

    public GridSession getSession() {
        return session;
    }

    public void setSession(GridSession session) {
        this.session = session;
    }

    @Override
    public String toString() {
        return "GridMessage [id=" + id + ", data=" + data + ", type=" + type + ", success=" + success
                + ", sourceId=" + sourceId + ", sourceType=" + sourceType + ", timestamp=" + timestamp + "]";
    }

    @Override
    public int refCnt() {
        return cnt.get();
    }

    @Override
    public ReferenceCounted retain() {
        cnt.incrementAndGet();
        return this;
    }

    @Override
    public ReferenceCounted retain(int increment) {
        cnt.addAndGet(increment);
        return this;
    }

    @Override
    public boolean release() {
        return cnt.decrementAndGet() == 0;
    }

    @Override
    public boolean release(int decrement) {
        return cnt.addAndGet(-decrement) == 0;
    }

}