Identity.java

/*
 * Copyright 2012 EMBL - European Bioinformatics Institute
 *
 * 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 uk.ac.ebi.fg.annotare2.magetabcheck.model;

/**
 * @author Olga Melnichuk
 */
public class Identity {
    private final Object o;

    public Identity(Object o) {
        this.o = o;
    }

    public Object get() {
        return o;
    }

    @Override
    public boolean equals(Object o1) {
        if (this == o1) return true;
        if (o1 == null || getClass() != o1.getClass()) return false;

        Identity identity = (Identity) o1;

        return o == identity.o;
    }

    @Override
    public int hashCode() {
        return o != null ? System.identityHashCode(o) : 0;
    }
}