org.springframework.webflow.util.UidGenerator Maven / Gradle / Ivy
/*
* Copyright 2002-2006 the original author or authors.
*
* 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.springframework.webflow.util;
import java.io.Serializable;
/**
* A strategy for generating ids for uniquely identifying execution artifacts
* such as FlowExecutions and any other uniquely identified flow artifact.
*
* @author Keith Donald
*/
public interface UidGenerator {
/**
* Generate a new unique id.
* @return a serializable id, guaranteed to be unique in some context
*/
public Serializable generateUid();
/**
* Convert the string-encoded uid into its original object form.
* @param encodedUid the string encoded uid
* @return the converted uid
*/
public Serializable parseUid(String encodedUid);
}