org.protempa.proposition.DefaultLocalUniqueId Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of protempa-framework Show documentation

Protempa Framework is the core of Protempa.

There is a newer version: 5.2-Alpha-2

package org.protempa.proposition;

/*
 * #%L
 * Protempa Framework
 * %%
 * Copyright (C) 2012 - 2015 Emory University
 * %%
 * 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%
 */

/**
 *
 * @author Andrew Post
 */
public class DefaultLocalUniqueId implements LocalUniqueId {
    private static int ID = 0;
    private final int id;

    public DefaultLocalUniqueId() {
        synchronized (DefaultLocalUniqueId.class) {
            this.id = ID++;
        }
    }
    
    @Override
    public String getId() {
        return "" + this.id;
    }

    @Override
    public int getNumericalId() {
        return this.id;
    }
    
    @Override
    public LocalUniqueId clone() {
        try {
            return (LocalUniqueId) super.clone();
        } catch (CloneNotSupportedException ex) {
            throw new AssertionError("Never reached!");
        }
    }
    
}