org.camunda.bpm.engine.impl.pvm.runtime.Callback Maven / Gradle / Ivy
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* Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH
* under one or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information regarding copyright
* ownership. Camunda licenses this file to you under the Apache License,
* Version 2.0; 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.camunda.bpm.engine.impl.pvm.runtime;
/**
* Represents a callback which should be called after work was done. This interface is similar to the
* {@link java.util.concurrent.Callable} interface, with the exception that the callback method does not throw any
* catching exception. Without this restriction the caller does not have to catch any exception.
*
* @param the type of the callback parameter
* @param the type of the callback result
* @author Christopher Zell
*/
public interface Callback {
/**
* The callback which should be called/executed after work was done.
*
* @param param the parameter for the callback
* @return the result of the callback
*/
R callback(P param);
}