/**
 * Licensed to Apereo under one or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information regarding copyright ownership. Apereo
 * 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 the
 * following location:
 *
 * <p>http://www.apache.org/licenses/LICENSE-2.0
 *
 * <p>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.apereo.portal.json.rendering;

import org.apereo.portal.character.stream.events.CharacterEventTypes;

public final class JsonLayoutPlaceholderEventImpl implements JsonLayoutPlaceholderEvent {
    private static final long serialVersionUID = 1L;

    public static final JsonLayoutPlaceholderEvent INSTANCE = new JsonLayoutPlaceholderEventImpl();

    private final int hash = internalHashCode();

    private JsonLayoutPlaceholderEventImpl() {}

    @Override
    public CharacterEventTypes getEventType() {
        return CharacterEventTypes.JSON_LAYOUT;
    }

    @Override
    public String toString() {
        return "JsonLayoutPlaceholderEvent";
    }

    @Override
    public int hashCode() {
        return hash;
    }

    private int internalHashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + getEventType().hashCode();
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) return true;
        if (obj == null) return false;
        if (!(obj instanceof JsonLayoutPlaceholderEvent)) return false;
        JsonLayoutPlaceholderEvent other = (JsonLayoutPlaceholderEvent) obj;

        if (getEventType() == null) {
            if (other.getEventType() != null) return false;
        } else if (!getEventType().equals(other.getEventType())) return false;

        return true;
    }
}