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A library of utilities for serialization and wrapping of arbitrary objects to have correctly implemented "equals" and "hashCode" methods.

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package edu.utdallas.objectutils;

/*
 * #%L
 * object-utils
 * %%
 * Copyright (C) 2019 The University of Texas at Dallas
 * %%
 * 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.
 * #L%
 */

import java.util.Arrays;

/**
 * A wrapped Long[] value which is Serializable,
 * and also implements hashCode and equals methods appropriately.
 *
 * @author Ali Ghanbari ([email protected])
 */
public class WrappedLongArray extends AbstractWrappedBasicArray {
    public WrappedLongArray(Long[] value) {
        super(value.clone());
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (!(o instanceof WrappedLongArray)) {
            return false;
        }
        WrappedLongArray that = (WrappedLongArray) o;
        return Arrays.equals(this.value, that.value);
    }

    @Override
    public int hashCode() {
        return Arrays.hashCode(this.value);
    }

    @Override
    public Long[] unwrap() throws Exception {
        return this.value.clone();
    }

    @Override
    public Long[] unwrap(Object template) throws Exception {
        if (template == null) {
            return this.value.clone();
        }
        final Long[] dest = (Long[]) template;
        if (dest.length != this.value.length) {
            return this.value.clone();
        }
        System.arraycopy(this.value, 0, dest, 0, this.value.length);
        return dest;
    }

    @Override
    public String print() {
        return Arrays.toString(this.value);
    }

    @Override
    public String getTypeName() {
        return "java.lang.Long[]";
    }
}