de.kaiserpfalzEdv.vaadin.event.BaseEvent.java Source code

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Here is the source code for de.kaiserpfalzEdv.vaadin.event.BaseEvent.java

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/*
 * Copyright 2015 Kaiserpfalz EDV-Service, Roland T. Lichti
 *
 * 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 de.kaiserpfalzEdv.vaadin.event;

import org.apache.commons.lang3.builder.EqualsBuilder;
import org.apache.commons.lang3.builder.HashCodeBuilder;
import org.apache.commons.lang3.builder.ToStringBuilder;
import org.apache.commons.lang3.builder.ToStringStyle;

import java.io.Serializable;
import java.util.EventObject;
import java.util.UUID;

/**
 * @author klenkes
 * @version 2015Q1
 * @since 09.09.15 19:57
 */
public abstract class BaseEvent<T extends Serializable> extends EventObject {
    private static final long serialVersionUID = 762980728236373149L;

    private UUID id = UUID.randomUUID();
    private T payload;

    public BaseEvent(Object source, T payload) {
        super(source);

        this.payload = payload;
    }

    public UUID getId() {
        return id;
    }

    public T getPayload() {
        return payload;
    }

    @Override
    public boolean equals(Object obj) {
        if (obj == null) {
            return false;
        }
        if (obj == this) {
            return true;
        }
        if (obj.getClass() != getClass()) {
            return false;
        }
        BaseEvent rhs = (BaseEvent) obj;
        return new EqualsBuilder().appendSuper(super.equals(obj)).append(this.id, rhs.getId()).isEquals();
    }

    @Override
    public int hashCode() {
        return new HashCodeBuilder().appendSuper(super.hashCode()).append(id).toHashCode();
    }

    @Override
    public String toString() {
        return new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE).appendSuper(super.toString())
                .append("id", id).append("payload", payload).toString();
    }
}