Examples of org.eclipse.persistence.jpa.jpql.tools.model.query.ExistsExpressionStateObject

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

Examples of org.eclipse.persistence.jpa.jpql.tools.model.query.ExistsExpressionStateObject

org.eclipse.persistence.jpa.jpql.tools.model.query.ExistsExpressionStateObject
An EXISTS expression is a predicate that is true only if the result of the subquery consists of one or more values and that is false otherwise.
BNF: exists_expression ::= [NOT] EXISTS(subquery)
@see ExistsExpression @version 2.4 @since 2.4 @author Pascal Filion

    comparison(EQUAL);
    return (T) this;
  }


  protected void exists(boolean not, SimpleSelectStatementStateObject subquery) {
    StateObject stateObject = new ExistsExpressionStateObject(getParent(), not, subquery);
    add(stateObject);
  }

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  @Override
  public void visit(ExistsExpression expression) {


    expression.getExpression().accept(this);


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


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

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Related Classes of org.eclipse.persistence.jpa.jpql.tools.model.query.ExistsExpressionStateObject

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

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

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