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

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

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

org.eclipse.persistence.jpa.jpql.tools.model.query.EmptyCollectionComparisonExpressionStateObject
This expression tests whether or not the collection designated by the collection-valued path expression is empty (i.e, has no elements).

BNF: empty_collection_comparison_expression ::= collection_valued_path_expression IS [NOT] EMPTY
@see EmptyCollectionComparisonExpression @version 2.4 @since 2.4 @author Pascal Filion

    return (T) this;
  }


  protected void isEmpty(boolean not, String path) {


    StateObject stateObject = new EmptyCollectionComparisonExpressionStateObject(
      getParent(),
      not,
      path
    );

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   * {@inheritDoc}
   */
  @Override
  public void visit(EmptyCollectionComparisonExpression expression) {


    EmptyCollectionComparisonExpressionStateObject stateObject = new EmptyCollectionComparisonExpressionStateObject(
      parent,
      expression.hasNot(),
      literal(expression.getExpression(), LiteralType.PATH_EXPRESSION_ALL_PATH)
    );


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

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

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

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

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