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/*
* 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.qpid.disttest.client.property;
/**
* Generates property values from a range with given lower and upper boundaries.
*/
public class RangePropertyValue extends NumericGeneratedPropertySupport
{
public static final String DEF_VALUE = "range";
private double _step;
private double _currentValue;
private boolean _cyclic;
public RangePropertyValue()
{
super();
_cyclic = true;
_currentValue = 0.0;
_step = 1.0;
}
public synchronized double getStep()
{
return _step;
}
public synchronized boolean isCyclic()
{
return _cyclic;
}
public synchronized void setCyclic(boolean cyclic)
{
_cyclic = cyclic;
}
public synchronized void setStep(double step)
{
_step = step;
}
@Override
public synchronized double nextDouble()
{
double result = 0.0;
double lower = getLower();
double upper = getUpper();
if (_currentValue < lower)
{
_currentValue = lower;
}
else if (_currentValue > upper)
{
if (_cyclic)
{
_currentValue = lower;
}
else
{
_currentValue = upper;
}
}
result = _currentValue;
_currentValue += _step;
return result;
}
@Override
public String getDefinition()
{
return DEF_VALUE;
}
@Override
public int hashCode()
{
final int prime = 31;
int result = super.hashCode();
long temp;
temp = Double.doubleToLongBits(_currentValue);
result = prime * result + (int) (temp ^ (temp >>> 32));
result = prime * result + (_cyclic ? 1231 : 1237);
temp = Double.doubleToLongBits(_step);
result = prime * result + (int) (temp ^ (temp >>> 32));
return result;
}
@Override
public boolean equals(Object obj)
{
if (this == obj)
{
return true;
}
if (!(obj instanceof RangePropertyValue))
{
return false;
}
if (!super.equals(obj))
{
return false;
}
RangePropertyValue other = (RangePropertyValue) obj;
if (Double.doubleToLongBits(_currentValue) != Double.doubleToLongBits(other._currentValue)
|| Double.doubleToLongBits(_step) != Double.doubleToLongBits(other._step) || _cyclic != other._cyclic)
{
return false;
}
return true;
}
}
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