bad.robot.bod.AbstractValueType.java Source code

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Here is the source code for bad.robot.bod.AbstractValueType.java

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/*
 * Copyright (c) 2009-2010, bad robot (london) ltd
 *
 * 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 bad.robot.bod;

import org.apache.commons.lang.builder.CompareToBuilder;
import org.apache.commons.lang.builder.EqualsBuilder;
import org.apache.commons.lang.builder.HashCodeBuilder;

import static bad.robot.bod.Assertions.assertNotNull;

public class AbstractValueType<T> implements ValueType<T> {

    private final T value;

    public AbstractValueType(T value) {
        assertNotNull(value);
        this.value = value;
    }

    public final T value() {
        return value;
    }

    @Override
    public final String toString() {
        return value().toString();
    }

    public int compareTo(T other) {
        return new CompareToBuilder().append(value, other).toComparison();
    }

    @Override
    public final int hashCode() {
        return new HashCodeBuilder().append(value).toHashCode();
    }

    @Override
    public final boolean equals(Object other) {
        if (this.getClass().equals(other.getClass()))
            return new EqualsBuilder().append(value, ((AbstractValueType) other).value).isEquals();
        return false;
    }

}