package org.deuce.transaction.strongiso.field;
import java.util.concurrent.atomic.AtomicInteger;
import org.deuce.reflection.UnsafeHolder;
import org.deuce.transform.Exclude;
@Exclude
public class DoubleWriteFieldAccess extends WriteFieldAccess {
private double value;
private double oldValue;
public DoubleWriteFieldAccess(double value, Object reference,
long orgField, long field, AtomicInteger status, boolean isNT,
int threadId) {
super(reference, orgField, field, status, isNT, threadId);
this.value = value;
}
public double getValue() {
return value;
}
public double getOldValue() {
return oldValue;
}
@Override
public void setLast(WriteFieldAccess last, boolean useOld) {
if (useOld)
oldValue = ((DoubleWriteFieldAccess) last).oldValue;
else
oldValue = ((DoubleWriteFieldAccess) last).value;
}
@Override
public void setLast() {
oldValue = UnsafeHolder.getUnsafe().getDouble(reference, orgField);
}
@Override
public boolean validateByValue(WriteFieldAccess other, boolean useOld) {
if (useOld)
return ((DoubleWriteFieldAccess) other).getOldValue() == (this.status
.get() == TransStatus.COMMITTED ? value : oldValue);
else
return ((DoubleWriteFieldAccess) other).getValue() == (this.status
.get() == TransStatus.COMMITTED ? value : oldValue);
}
}