io.foojay.api.discoclient.event.Evt Maven / Gradle / Ivy

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A Java library that makes it easier to access the foojay disco api
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/*
 * Copyright (c) 2021 by Gerrit Grunwald
 *
 * 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 io.foojay.api.discoclient.event;

import java.util.EventObject;
import java.util.Objects;

import static eu.hansolo.jdktools.Constants.COLON;
import static eu.hansolo.jdktools.Constants.COMMA;
import static eu.hansolo.jdktools.Constants.CURLY_BRACKET_CLOSE;
import static eu.hansolo.jdktools.Constants.CURLY_BRACKET_OPEN;
import static eu.hansolo.jdktools.Constants.QUOTES;


public class Evt extends EventObject implements Comparable {
    public    static final EvtType           ANY = EvtType.ROOT;
    protected        final EvtType evtType;
    private          final EvtPriority            priority;


    // ******************** Constructors **************************************
    public Evt(final EvtType evtType) {
        this(null, evtType, EvtPriority.NORMAL);
    }
    public Evt(final Object source, final EvtType evtType) {
        this(source, evtType, EvtPriority.NORMAL);
    }
    public Evt(final Object source, final EvtType evtType, final EvtPriority priority) {
        super(source);
        this.evtType  = evtType;
        this.priority = priority;
    }


    // ******************** Methods *******************************************
    public Object getSource() { return source; }

    public EvtType getEvtType() {  return evtType; }

    public EvtPriority getPriority() { return priority; }

    public int compareTo(final Evt evt) {
        return (evt.getPriority().getValue() - this.priority.getValue());
    }

    @Override public int hashCode() {
        return Objects.hash(source, evtType, priority);
    }

    @Override public boolean equals(final Object obj) {
        if (this == obj) { return true; }
        if (null == obj) { return false; }
        if (this.getClass() != obj.getClass()) { return false; }
        Evt evt = (Evt) obj;
        return (evt.getEvtType().equals(this.getEvtType()) &&
                evt.getPriority().getValue() == this.getPriority().getValue() &&
                evt.getSource().equals(this.getSource()));
    }

    @Override public String toString() {
        return new StringBuilder().append(CURLY_BRACKET_OPEN)
                                  .append(QUOTES).append("class").append(QUOTES).append(COLON).append(QUOTES).append(getClass().getName()).append(QUOTES).append(COMMA)
                                  .append(QUOTES).append("type").append(QUOTES).append(COLON).append(QUOTES).append(getEvtType().getClass().getName()).append(QUOTES).append(COMMA)
                                  .append(QUOTES).append("priority").append(QUOTES).append(COLON).append(QUOTES).append(getPriority().name()).append(QUOTES).append(COMMA)
                                  .append(QUOTES).append("source").append(QUOTES).append(COLON).append(QUOTES).append(null == getSource() ? "null" : getSource().getClass().getName()).append(QUOTES)
                                  .append(CURLY_BRACKET_CLOSE)
                                  .toString();
    }
}