Copyright 2012 Netflix, 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.
/**
 * Copyright 2012 Netflix, 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.netflix.hystrix.exception;

import com.netflix.hystrix.HystrixCommand;
import com.netflix.hystrix.HystrixInvokable;
import com.netflix.hystrix.util.ExceptionThreadingUtility;

RuntimeException that is thrown when a HystrixCommand fails and does not have a fallback. /**
 * RuntimeException that is thrown when a {@link HystrixCommand} fails and does not have a fallback.
 */
@SuppressWarnings("rawtypes")
public class HystrixRuntimeException extends RuntimeException {

    private static final long serialVersionUID = 5219160375476046229L;

    private final Class<? extends HystrixInvokable> commandClass;
    private final Throwable fallbackException;
    private final FailureType failureCause;

    public static enum FailureType {
        BAD_REQUEST_EXCEPTION, COMMAND_EXCEPTION, TIMEOUT, SHORTCIRCUIT, REJECTED_THREAD_EXECUTION, REJECTED_SEMAPHORE_EXECUTION, REJECTED_SEMAPHORE_FALLBACK
    }

    public HystrixRuntimeException(FailureType failureCause, Class<? extends HystrixInvokable> commandClass, String message, Exception cause, Throwable fallbackException) {
        super(message, cause);
        this.failureCause = failureCause;
        this.commandClass = commandClass;
        this.fallbackException = fallbackException;
    }

    public HystrixRuntimeException(FailureType failureCause, Class<? extends HystrixInvokable> commandClass, String message, Throwable cause, Throwable fallbackException) {
        super(message, cause);
        this.failureCause = failureCause;
        this.commandClass = commandClass;
        this.fallbackException = fallbackException;
    }

    
The type of failure that caused this exception to be thrown.
Returns:
FailureType/**
     * The type of failure that caused this exception to be thrown.
     * 
     * @return {@link FailureType}
     */
    public FailureType getFailureType() {
        return failureCause;
    }

    
The implementing class of the HystrixCommand. 
Returns:
Class<? extends HystrixCommand> /**
     * The implementing class of the {@link HystrixCommand}.
     * 
     * @return {@code Class<? extends HystrixCommand> }
     */
    public Class<? extends HystrixInvokable> getImplementingClass() {
        return commandClass;
    }

    
The Throwable that was thrown when trying to retrieve a fallback. 
Returns:
Throwable/**
     * The {@link Throwable} that was thrown when trying to retrieve a fallback.
     * 
     * @return {@link Throwable}
     */
    public Throwable getFallbackException() {
        return fallbackException;
    }

}