com.gwtplatform.dispatch.client.ExceptionHandler Maven / Gradle / Ivy
/**
* Copyright 2011 ArcBees Inc.
*
* 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 com.gwtplatform.dispatch.client;
/**
* Implementations of this interface can be added to a {@link com.gwtplatform.dispatch.shared.DispatchAsync}
* implementation to intercept exceptions which return from further up the chain.
*/
public interface ExceptionHandler {
/**
* {@link ExceptionHandler}'s status enumeration.
*/
public enum Status {
CONTINUE, STOP
}
/**
* This method is called when an exception occurs. Return {@link Status#STOP} to indicate that the exception has
* been handled and further processing should not occur. Return {@link Status#CONTINUE} to indicate that further
* processing should occur.
*
* @param e The exception.
* @return The status after execution.
*/
Status onFailure(Throwable e);
}