AbstractMessage.java

package eu.europeana.cloud.service.mcs.messages;

import java.io.Serializable;
import java.util.Objects;

/**
 * Message for MCS and DLS asynchronous communication.
 * 
 */
public abstract class AbstractMessage implements Serializable {

    String payload;


    /**
     * Constructs message with given payload
     * 
     * @param payload
     *            message payload
     */
    public AbstractMessage(String payload) {
        this.payload = payload;
    }


    /**
     * Returns message payload.
     * 
     * @return
     */
    public String getPayload() {
        return payload;
    }


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


    @Override
    public boolean equals(Object obj) {
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        final AbstractMessage other = (AbstractMessage) obj;
        if (!Objects.equals(this.payload, other.payload)) {
            return false;
        }
        return true;
    }
}