Examples of org.eclipse.persistence.jpa.jpql.model.query.NullComparisonExpressionStateObject

Package org.eclipse.persistence.jpa.jpql.model.query

Examples of org.eclipse.persistence.jpa.jpql.model.query.NullComparisonExpressionStateObject

org.eclipse.persistence.jpa.jpql.model.query.NullComparisonExpressionStateObject
A null comparison tests whether or not the single-valued path expression or input parameter is a NULL value.

BNF: null_comparison_expression ::= {single_valued_path_expression | input_parameter} IS [NOT] NULL
@see NullComparisonExpression @version 2.4.2 @since 2.4 @author Pascal Filion

  @Override
  public void visit(NullComparisonExpression expression) {


    expression.getExpression().accept(this);


    NullComparisonExpressionStateObject stateObject = new NullComparisonExpressionStateObject(
      parent,
      expression.hasNot(),
      this.stateObject
    );


    stateObject.setExpression(expression);
    this.stateObject = stateObject;
  }

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    }
    else {
      stateObject = buildStateFieldPath(path);
    }


    stateObject = new NullComparisonExpressionStateObject(
      getParent(),
      not,
      stateObject
    );

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  @Override
  public void visit(NullComparisonExpression expression) {


    expression.getExpression().accept(this);


    NullComparisonExpressionStateObject stateObject = new NullComparisonExpressionStateObject(
      parent,
      expression.hasNot(),
      this.stateObject
    );


    stateObject.setExpression(expression);
    this.stateObject = stateObject;
  }

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    }
    else {
      stateObject = buildStateFieldPath(path);
    }


    stateObject = new NullComparisonExpressionStateObject(
      getParent(),
      not,
      stateObject
    );

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  @Override
  public void visit(NullComparisonExpression expression) {


    expression.getExpression().accept(this);


    NullComparisonExpressionStateObject stateObject = new NullComparisonExpressionStateObject(
      parent,
      expression.hasNot(),
      this.stateObject
    );


    stateObject.setExpression(expression);
    this.stateObject = stateObject;
  }

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Related Classes of org.eclipse.persistence.jpa.jpql.model.query.NullComparisonExpressionStateObject

org.eclipse.persistence.jpa.jpql.model.AbstractConditionalExpressionStateObjectBuilder

org.eclipse.persistence.jpa.jpql.model.BasicStateObjectBuilder

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