org.activiti.engine.impl.delegate.invocation.DelegateInvocation Maven / Gradle / Ivy
/* 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.activiti.engine.impl.delegate.invocation;
import org.activiti.engine.impl.interceptor.DelegateInterceptor;
/**
* Provides context about the invocation of usercode and handles the actual invocation
*
* @see DelegateInterceptor
*/
public abstract class DelegateInvocation {
protected Object invocationResult;
protected Object[] invocationParameters;
/**
* make the invocation proceed, performing the actual invocation of the user code.
*
* @throws Exception
* the exception thrown by the user code
*/
public void proceed() {
invoke();
}
protected abstract void invoke();
/**
* @return the result of the invocation (can be null if the invocation does not return a result)
*/
public Object getInvocationResult() {
return invocationResult;
}
/**
* @return an array of invocation parameters (null if the invocation takes no parameters)
*/
public Object[] getInvocationParameters() {
return invocationParameters;
}
/**
* returns the target of the current invocation, ie. JavaDelegate, ValueExpression ...
*/
public abstract Object getTarget();
}