odata2-lib/odata-api/src/main/java/org/apache/olingo/odata2/api/uri/expression/BinaryExpression.java

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package org.apache.olingo.odata2.api.uri.expression;

/**
 * Represents a binary expression node in the expression tree returned by the methods
 * <br>
 * <br>
 * A binary expression node is inserted in the expression tree for any valid
 * ODATA binary operator in {@link BinaryOperator} (e.g. for "and", "div", "eg", ... )
 * <br>
 * 
 */
public interface BinaryExpression extends CommonExpression {
  /**
   * @return Operator object that represents the used operator
   * @see BinaryOperator
   */
  public BinaryOperator getOperator();

  /**
   * @return Expression sub tree of the left operand
   */
  public CommonExpression getLeftOperand();

  /**
   * @return Expression sub tree of the right operand
   */
  public CommonExpression getRightOperand();
}