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* Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
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package mage.abilities.dynamicvalue;
import mage.abilities.Ability;
import mage.abilities.effects.Effect;
import mage.game.Game;
/**
* The first calculated value is used as long as the class instance is in use
*
* IMPORTANT: If used the ability / effect that uses a locked in dynamic value
* has to really copy the dnamic value in its copy method (not reference)
*
* @author LevelX2
*/
public class LockedInDynamicValue implements DynamicValue {
private boolean valueChecked = false;
private int lockedInValue;
private final DynamicValue basicDynamicValue;
public LockedInDynamicValue(DynamicValue dynamicValue) {
this.basicDynamicValue = dynamicValue;
}
public LockedInDynamicValue(LockedInDynamicValue dynamicValue, final boolean copy) {
this.basicDynamicValue = dynamicValue.basicDynamicValue;
this.lockedInValue = dynamicValue.lockedInValue;
this.valueChecked = dynamicValue.valueChecked;
}
@Override
public int calculate(Game game, Ability sourceAbility, Effect effect) {
if (!valueChecked) {
lockedInValue = basicDynamicValue.calculate(game, sourceAbility, effect);
valueChecked = true;
}
return lockedInValue;
}
@Override
public LockedInDynamicValue copy() {
return new LockedInDynamicValue(this, true);
}
@Override
public String getMessage() {
return basicDynamicValue.getMessage();
}
}