com.hlag.rulemaker.ComparisonOperators Maven / Gradle / Ivy

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Helper library that contains custom expressions and operators for JsonLogic

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package com.hlag.rulemaker;

import static com.hlag.rulemaker.expression.CustomNumericComparisonExpression.LTE_LT;
import static com.hlag.rulemaker.expression.CustomNumericComparisonExpression.LTE_LTE;
import static com.hlag.rulemaker.expression.CustomNumericComparisonExpression.LT_LT;
import static com.hlag.rulemaker.expression.CustomNumericComparisonExpression.LT_LTE;
import static io.github.jamsesso.jsonlogic.evaluator.expressions.NumericComparisonExpression.GT;
import static io.github.jamsesso.jsonlogic.evaluator.expressions.NumericComparisonExpression.GTE;
import static io.github.jamsesso.jsonlogic.evaluator.expressions.NumericComparisonExpression.LT;
import static io.github.jamsesso.jsonlogic.evaluator.expressions.NumericComparisonExpression.LTE;

import java.util.Arrays;
import lombok.AllArgsConstructor;
import lombok.Getter;

@Getter
@AllArgsConstructor
public enum ComparisonOperators {

  LOWER(LT.key()),
  LOWER_OR_EQUAL(LTE.key()),
  GREATER(GT.key()),
  GREATER_OR_EQUAL(GTE.key()),
  LOWER_OR_EQUAL_LOWER_OR_EQUAL(LTE_LTE.key()),
  LOWER_LOWER(LT_LT.key()),
  LOWER_OR_EQUAL_LOWER(LTE_LT.key()),
  LOWER_LOWER_OR_EQUAL(LT_LTE.key());

  private final String operator;

  public static ComparisonOperators fromOperator(String operator) {
    return Arrays.stream(ComparisonOperators.values())
      .filter(operatorMapper -> operatorMapper.getOperator().equals(operator))
      .findFirst().orElseThrow();
  }
}