org.apache.flink.runtime.executiongraph.ErrorInfo Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.flink.runtime.executiongraph;
import org.apache.flink.util.Preconditions;
import org.apache.flink.util.SerializedThrowable;
import java.io.Serializable;
/**
* Simple container to hold an exception and the corresponding timestamp.
*/
public class ErrorInfo implements Serializable {
private static final long serialVersionUID = -6138942031953594202L;
/** The exception that we keep holding forever. Has no strong reference to any user-defined code. */
private final SerializedThrowable exception;
private final long timestamp;
public ErrorInfo(Throwable exception, long timestamp) {
Preconditions.checkNotNull(exception);
Preconditions.checkArgument(timestamp > 0);
this.exception = exception instanceof SerializedThrowable ?
(SerializedThrowable) exception : new SerializedThrowable(exception);
this.timestamp = timestamp;
}
/**
* Returns the serialized form of the original exception.
*/
public SerializedThrowable getException() {
return exception;
}
/**
* Returns the contained exception as a string.
*
* @return failure causing exception as a string, or {@code "(null)"}
*/
public String getExceptionAsString() {
return exception.getFullStringifiedStackTrace();
}
/**
* Returns the timestamp for the contained exception.
*
* @return timestamp of contained exception, or 0 if no exception was set
*/
public long getTimestamp() {
return timestamp;
}
}