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/*
* Copyright (c) 2004 - 2012 Eike Stepper (Berlin, Germany) and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Simon McDuff - initial API and implementation
* Eike Stepper - maintenance
*/
package org.eclipse.emf.internal.cdo.analyzer;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EStructuralFeature;
/**
* @author Simon McDuff
*/
public class CDOFetchFeatureInfo
{
private long timeBeforeUsed;
private long latencyTime;
private boolean active;
private EClass eClass;
private EStructuralFeature feature;
public CDOFetchFeatureInfo(EClass eClass, EStructuralFeature feature)
{
this.eClass = eClass;
this.feature = feature;
active = false;
latencyTime = -1;
}
public EClass getEClass()
{
return eClass;
}
public EStructuralFeature getEStructuralFeature()
{
return feature;
}
public boolean isActive()
{
return active;
}
public void setActive(boolean active)
{
this.active = active;
}
public long getTimeBeforeUsed()
{
return timeBeforeUsed;
}
public void setTimeBeforeUsed(long timeBeforeUsed)
{
this.timeBeforeUsed = timeBeforeUsed;
}
public long getLatencyTime()
{
return latencyTime;
}
public void setLatencyTime(long latencyTime)
{
this.latencyTime = latencyTime;
}
public void updateLatencyTime(long latencyTime)
{
if (getLatencyTime() == -1)
{
setLatencyTime(latencyTime);
}
else
{
setLatencyTime((latencyTime + getLatencyTime()) / 2);
}
}
public void updateTimeInfo(long elapseTimeBeforeLastRequest)
{
if (getTimeBeforeUsed() == 0)
{
setTimeBeforeUsed(elapseTimeBeforeLastRequest);
}
else
{
setTimeBeforeUsed((getTimeBeforeUsed() + elapseTimeBeforeLastRequest) / 2);
}
}
@Override
public int hashCode()
{
return eClass.hashCode() ^ feature.hashCode();
}
@Override
public boolean equals(Object obj)
{
if (obj == this)
{
return true;
}
if (obj instanceof CDOFetchFeatureInfo)
{
CDOFetchFeatureInfo featureInfo = (CDOFetchFeatureInfo)obj;
return featureInfo.eClass == eClass && featureInfo.feature == feature;
}
return false;
}
}
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