/*
* Copyright (c) 2010-2016. Axon Framework
* 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.axonframework.common;
import java.util.UUID;
/**
* Default IdentifierFactory implementation that uses generates random {@code java.util.UUID} based identifiers.
* Although the performance of this strategy is not the best out there, it has native supported on all JVMs.
* <p/>
* This implementations selects a random identifier out of about 3 x 10<sup>38</sup> possible values, making the chance
* to get a duplicate incredibly small.
*
* @author Allard Buijze
* @since 1.2
*/
public class DefaultIdentifierFactory extends IdentifierFactory {
/**
* {@inheritDoc}
* <p/>
* This implementation creates identifiers based on pseudo-random UUIDs.
*/
@Override
public String generateIdentifier() {
return UUID.randomUUID().toString();
}
}