package org.jtwig.render.expression.calculator.operation.binary;
import com.google.common.base.Optional;
import org.jtwig.render.expression.calculator.operation.binary.calculators.BinaryOperationCalculator;
import java.util.Map;
public class BinaryOperationCalculatorSelector {
private final Map<Class<? extends BinaryOperator>, BinaryOperationCalculator> calculatorMap;
public BinaryOperationCalculatorSelector(Map<Class<? extends BinaryOperator>, BinaryOperationCalculator> calculatorMap) {
this.calculatorMap = calculatorMap;
}
public Optional<BinaryOperationCalculator> calculatorFor (BinaryOperator operator) {
return Optional.fromNullable(calculatorMap.get(operator.getClass()));
}
}