model/src/main/java/org/onosproject/yang/model/SingleInstanceLeaf.java

/*
 * Copyright 2017-present Open Networking Foundation
 *
 * 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 org.onosproject.yang.model;

import static org.onosproject.yang.model.DataNode.Type.SINGLE_INSTANCE_LEAF_VALUE_NODE;

import java.util.Objects;

import com.google.common.base.MoreObjects;

/**
 * Represents a leaf attribute in class.
 */
public class SingleInstanceLeaf<E extends LeafIdentifier> extends AtomicPath {

    private E leafIdentifier;

    /**
     * Creates a single instance leaf node object.
     *
     * @param leaf leaf attribute of generated default class
     */
    public SingleInstanceLeaf(E leaf) {
        super(SINGLE_INSTANCE_LEAF_VALUE_NODE);
        this.leafIdentifier = leaf;
    }

    /**
     * Returns leaf identifier.
     *
     * @return leaf identifier
     */
    public E leafIdentifier() {
        return leafIdentifier;
    }

    /**
     * Sets the leaf identifier of leaf-list.
     *
     * @param leaf leaf identifier of leaf-list
     */
    public void leafIdentifier(E leaf) {
        this.leafIdentifier = leaf;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj instanceof SingleInstanceLeaf) {
            SingleInstanceLeaf<?> that = (SingleInstanceLeaf<?>) obj;
            // super.type is ensured to be equal
            return Objects.equals(this.leafIdentifier, that.leafIdentifier);
        }
        return false;
    }

    @Override
    public int hashCode() {
        return Objects.hash(type(), leafIdentifier);
    }

    @Override
    public String toString() {
        return MoreObjects.toStringHelper(this)
                .add("leafIdentifier", leafIdentifier)
                .toString();
    }
}