core/api/src/main/java/org/onosproject/store/primitives/TransactionId.java

/*
 * Copyright 2016 Open Networking Laboratory
 *
 * 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.store.primitives;

import com.google.common.base.Objects;

/**
 * Transaction identifier.
 */
public final class TransactionId {

    public static TransactionId from(String id) {
        return new TransactionId(id);
    }

    private final String id;

    private TransactionId(String id) {
        this.id = id;
    }

    @Override
    public String toString() {
        return id;
    }

    @Override
    public int hashCode() {
        return id.hashCode();
    }

    @Override
    public boolean equals(Object other) {
        if (this == other) {
            return true;
        }
        if (other instanceof TransactionId) {
            TransactionId that = (TransactionId) other;
            return Objects.equal(this.id, that.id);
        }
        return false;
    }
}