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package rba.core.generator.util.value;
import org.eclipse.emf.common.util.EList;
import rba.core.ComparisonOperator;
import rba.core.EqualToOperator;
import rba.core.Expression;
import rba.core.LetStatement;
import rba.core.ObjectReference;
import rba.core.RuleObject;
import rba.core.ThatOfOperator;
import rba.core.ValueExpression;
public class EqualToOperatorEvaluator<T extends RuleObject> extends ComparisonOperatorEvaluator<T> implements EqualToOperator {
protected EqualToOperatorEvaluator(ComparisonOperator o) {
super(o);
}
@Override
public boolean evaluate(ValueSortedList<T> list) {
// TODO Auto-generated method stub
return false;
}
@Override
public int suggestIndex(ValueSortedList<T> list) {
Expression operand = operator.getOperand().get(0);
if (operand instanceof ThatOfOperator) {
Expression target = ((ThatOfOperator) operand).getOperand().get(0);
if (target instanceof ObjectReference) {
T object = (T) ((ObjectReference) target).getRefObject();
return list.getGroupIndexOf(object);
}
} else if (operand instanceof ValueExpression) {
int i = list.getGroupIndexOf(((ValueExpression) operand).getExpression());
return i;
}
throw new RuntimeException("Unsupported expression [" + operator.getExpression() + "]");
}
@Override
public EList<LetStatement> getLetStatements() {
// TODO Auto-generated method stub
return null;
}
}
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