tools.datasync.db2db.net.SyncMessageType.java Source code

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Here is the source code for tools.datasync.db2db.net.SyncMessageType.java

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/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 * 
 * @author  Upendra Jariya
 * @sponsor Douglas Johnson
 * @copyright datasync.tools
 * @version 1.0
 * @since   15-Nov-2014
 */

package tools.datasync.db2db.net;

import java.io.Serializable;

import org.springframework.util.StringUtils;

// TODO: Need state machine pattern here...
public class SyncMessageType implements Serializable, Cloneable {

    // ------------------------------------------------
    public static final SyncMessageType BEGIN_SYNC = new SyncMessageType("BEGIN_SYNC");
    public static final SyncMessageType SYNC_OVER = new SyncMessageType("SYNC_OVER");

    public static final SyncMessageType ACK = new SyncMessageType("ACK");
    public static final SyncMessageType NACK = new SyncMessageType("NACK");

    public static final SyncMessageType BEGIN_SEED = new SyncMessageType("BEGIN_SEED");
    public static final SyncMessageType SEED = new SyncMessageType("SEED");
    public static final SyncMessageType SEED_OVER_INIT = new SyncMessageType("SEED_OVER_INIT");
    public static final SyncMessageType SEED_OVER_FOLLOW = new SyncMessageType("SEED_OVER_FOLLOW");

    public static final SyncMessageType ANALYSIS_STARTED = new SyncMessageType("ANALYSIS_STARTED");
    public static final SyncMessageType ANALYSIS_OVER = new SyncMessageType("ANALYSIS_OVER");

    public static final SyncMessageType CONFLICT_RESOLUTION = new SyncMessageType("CONFLICT_RESOLUTION");

    public static final SyncMessageType APPLY_CHANGES = new SyncMessageType("APPLY_CHANGES");
    public static final SyncMessageType APPLY_CHANGES_OVER = new SyncMessageType("APPLY_CHANGES_OVER");

    public static final SyncMessageType UNKNOWN = new SyncMessageType("UNKNOWN");
    // ------------------------------------------------

    private final String messageType;
    private static final long serialVersionUID = 7007483768286153752L;

    protected SyncMessageType(String messageType) {
        this.messageType = messageType;
    }

    public static SyncMessageType get(String message) {
        SyncMessageType result = UNKNOWN;

        if (StringUtils.isEmpty(message)) {
            return result;
        }

        if (BEGIN_SYNC.messageType.equalsIgnoreCase(message)) {
            result = BEGIN_SYNC;
        } else if (SYNC_OVER.messageType.equalsIgnoreCase(message)) {
            result = SYNC_OVER;
        } else if (ACK.messageType.equalsIgnoreCase(message)) {
            result = ACK;
        } else if (NACK.messageType.equalsIgnoreCase(message)) {
            result = NACK;
        } else if (BEGIN_SEED.messageType.equalsIgnoreCase(message)) {
            result = BEGIN_SEED;
        } else if (SEED.messageType.equalsIgnoreCase(message)) {
            result = SEED;
        } else if (SEED_OVER_INIT.messageType.equalsIgnoreCase(message)) {
            result = SEED_OVER_INIT;
        } else if (SEED_OVER_FOLLOW.messageType.equalsIgnoreCase(message)) {
            result = SEED_OVER_FOLLOW;
        } else if (ANALYSIS_STARTED.messageType.equalsIgnoreCase(message)) {
            result = ANALYSIS_STARTED;
        } else if (ANALYSIS_OVER.messageType.equalsIgnoreCase(message)) {
            result = ANALYSIS_OVER;
        } else if (CONFLICT_RESOLUTION.messageType.equalsIgnoreCase(message)) {
            result = CONFLICT_RESOLUTION;
        } else if (APPLY_CHANGES.messageType.equalsIgnoreCase(message)) {
            result = APPLY_CHANGES;
        } else if (APPLY_CHANGES_OVER.messageType.equalsIgnoreCase(message)) {
            result = APPLY_CHANGES_OVER;
        } else if (UNKNOWN.messageType.equalsIgnoreCase(message)) {
            result = UNKNOWN;
        } else {
            result = UNKNOWN;
        }
        return result;
    }

    @Override
    public String toString() {
        return messageType;
    }

    @Override
    public boolean equals(Object obj) {
        if (super.equals(obj)) {
            return true;
        }
        if (obj instanceof SyncMessageType) {
            if (((SyncMessageType) obj).messageType.equalsIgnoreCase(this.messageType)) {
                return true;
            }
        }
        return false;
    }

    @Override
    public int hashCode() {
        return messageType.hashCode();
    }
}