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/*
Derby - Class org.apache.derbyTesting.system.nstest.NsTestError
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.derbyTesting.system.nstest;
/**
* <p>
* An descriptor for an error seen by NsTest. These are placed in a
* HashMap keyed by the error's stack trace.
* </p>
*/
public class NsTestError implements Comparable<NsTestError>
{
///////////////////////////////////////////////////////////////////////////////////
//
// CONSTANTS
//
///////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////
//
// STATE
//
///////////////////////////////////////////////////////////////////////////////////
private Throwable _throwable;
private int _count;
private long _firstOccurrenceTime;
private long _lastOccurrenceTime;
///////////////////////////////////////////////////////////////////////////////////
//
// CONSTRUCTOR
//
///////////////////////////////////////////////////////////////////////////////////
/** Construct from a Throwable */
public NsTestError( Throwable throwable )
{
_throwable = throwable;
_count = 1;
_firstOccurrenceTime = System.currentTimeMillis();
_lastOccurrenceTime = _firstOccurrenceTime;
}
///////////////////////////////////////////////////////////////////////////////////
//
// ACCESSORS
//
///////////////////////////////////////////////////////////////////////////////////
/** Get the Throwable wrapped by this descriptor */
public Throwable throwable() { return _throwable; }
/** Get the number of times this error was seen */
public int count() { return _count; }
/** Get the timestamp of the first occurrence */
public long getFirstOccurrenceTime() { return _firstOccurrenceTime; }
/** Get the timestamp of the last occurrence */
public long getLastOccurrenceTime() { return _lastOccurrenceTime; }
///////////////////////////////////////////////////////////////////////////////////
//
// Comparable BEHAVIOR
//
///////////////////////////////////////////////////////////////////////////////////
public int compareTo( NsTestError that )
{
if ( that == null ) { return -1; }
else
{
long thisVal = this._firstOccurrenceTime;
long thatVal = that._firstOccurrenceTime;
if ( thisVal < thatVal ) { return -1; }
else if ( thisVal > thatVal ) { return 1; }
else { return 0; }
}
}
///////////////////////////////////////////////////////////////////////////////////
//
// OTHER BEHAVIOR
//
///////////////////////////////////////////////////////////////////////////////////
/** Increment the number of times this error was seen */
public void increment()
{
_count++;
_lastOccurrenceTime = System.currentTimeMillis();
}
}
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