BaseData.java

/**
 * Copyright © 2016 The Thingsboard Authors
 *
 * 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.thingsboard.server.common.data;

import java.io.Serializable;

import org.thingsboard.server.common.data.id.IdBased;
import org.thingsboard.server.common.data.id.UUIDBased;

public abstract class BaseData<I extends UUIDBased> extends IdBased<I> implements Serializable {

    private static final long serialVersionUID = 5422817607129962637L;
    
    protected long createdTime;
    
    public BaseData() {
        super();
    }

    public BaseData(I id) {
        super(id);
    }
    
    public BaseData(BaseData<I> data) {
        super(data.getId());
        this.createdTime = data.getCreatedTime();
    }

    public long getCreatedTime() {
        return createdTime;
    }

    public void setCreatedTime(long createdTime) {
        this.createdTime = createdTime;
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = super.hashCode();
        result = prime * result + (int) (createdTime ^ (createdTime >>> 32));
        return result;
    }

    @SuppressWarnings("rawtypes")
    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (!super.equals(obj))
            return false;
        if (getClass() != obj.getClass())
            return false;
        BaseData other = (BaseData) obj;
        if (createdTime != other.createdTime)
            return false;
        return true;
    }

    @Override
    public String toString() {
        StringBuilder builder = new StringBuilder();
        builder.append("BaseData [createdTime=");
        builder.append(createdTime);
        builder.append(", id=");
        builder.append(id);
        builder.append("]");
        return builder.toString();
    }

}