com.github.kagkarlsson.shaded.cronutils.model.field.value.FieldValue Maven / Gradle / Ivy

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Simple persistent scheduler for scheduled tasks, recurring or ad-hoc.

There is a newer version: 15.0.0

/*
 * Copyright 2015 jmrozanec
 * 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 com.github.kagkarlsson.shaded.cronutils.model.field.value;

import java.io.Serializable;

/**
 * Encapsulates a field value, allowing us to.
 * manipulate different types of values in a homogeneous way
 *
 * @param  - field value type
 */
public abstract class FieldValue implements Serializable {

    private static final long serialVersionUID = 2392311922703946889L;

    /**
     * Allows to obtain the value.
     *
     * @return some value, never null
     */
    public abstract T getValue();

    /**
     * String representation of encapsulated value.
     *
     * @return String, never null
     */
    @Override
    public final String toString() {
        return String.format("%s", getValue());
    }
}