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

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

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

org.eclipse.persistence.jpa.jpql.model.query.StateObject
A StateObject is an editable representation of a JPQL query.
{@link org.eclipse.persistence.jpa.jpql.model.IJPQLQueryBuilder IJPQLQueryBuilder} can be used tocreate the state model from an existing JPQL query. @version 2.4 @since 2.4 @author Pascal Filion

   */
  @Override
  public void visit(SubstringExpression expression) {


    expression.getFirstExpression().accept(this);
    StateObject firstExpression = stateObject;


    expression.getSecondExpression().accept(this);
    StateObject secondExpression = stateObject;


    expression.getThirdExpression().accept(this);
    StateObject thirdExpression = stateObject;


    SubstringExpressionStateObject stateObject = new SubstringExpressionStateObject(
      parent,
      firstExpression,
      secondExpression,

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   */
  @Override
  public void visit(SubtractionExpression expression) {


    expression.getLeftExpression().accept(this);
    StateObject leftStateObject = stateObject;


    expression.getRightExpression().accept(this);
    StateObject rightStateObject = stateObject;


    SubtractionExpressionStateObject stateObject = new SubtractionExpressionStateObject(
      parent,
      leftStateObject,
      rightStateObject

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   */
  @Override
  public void visit(TrimExpression expression) {


    expression.getExpression().accept(this);
    StateObject trimStateObject = stateObject;


    expression.getTrimCharacter().accept(this);
    StateObject trimCharacter = stateObject;


    TrimExpressionStateObject stateObject = new TrimExpressionStateObject(
      parent,
      expression.getSpecification(),
      trimCharacter,

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      WhereClauseStateObject whereClause = stateObject.addWhereClause();
      whereClause.setExpression(expression);


      expression.getConditionalExpression().accept(BasicStateObjectBuilder.this);
      StateObject conditionalStateObject = BasicStateObjectBuilder.this.stateObject;


      whereClause.setConditional(conditionalStateObject);
    }

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      selectClause.setExpression(expression);
      selectClause.setDistinct(expression.hasDistinct());


      for (Expression child : children(expression.getSelectExpression())) {


        StateObject stateObject = getSelectItemBuilder().buildStateObject(selectClause, child);


        if (stateObject != null) {
          selectClause.addItem(stateObject);
        }
      }

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        if (!updateClause.isIdentificationVariableDefined()) {
          updateItem.setVirtualIdentificationVariable(updateClause.getIdentificationVariable());
        }


        // Create the new value
        StateObject stateObject = buildStateObjectImp(expression.getNewValue());
        updateItem.setNewValue(stateObject);
      }
      finally {
        updateItem = null;
      }

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    public void visit(WhereClause expression) {


      WhereClauseStateObject whereClause = stateObject.addWhereClause();
      whereClause.setExpression(expression);


      StateObject stateObject = buildStateObjectImp(expression.getConditionalExpression());
      whereClause.setConditional(stateObject);
    }

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


      StateObject whenStateObject = buildStateObjectImp(expression.getWhenExpression());
      StateObject thenStateObject = buildStateObjectImp(expression.getThenExpression());


      WhenClauseStateObject stateObject = parent.addWhenClause(whenStateObject, thenStateObject);
      stateObject.setExpression(expression);
    }

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  }


  @SuppressWarnings("unchecked")
  protected <T extends StateObject> List<T> buildChildren(Expression expression) {


    StateObject oldStateObject = stateObject;
    List<T> stateObjects = new ArrayList<T>();


    for (Expression child : children(expression)) {
      child.accept(this);
      stateObjects.add((T) stateObject);

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   */
  @Override
  public void visit(AdditionExpression expression) {


    expression.getLeftExpression().accept(this);
    StateObject leftStateObject = stateObject;


    expression.getRightExpression().accept(this);
    StateObject rightStateObject = stateObject;


    AdditionExpressionStateObject stateObject = new AdditionExpressionStateObject(
      parent,
      leftStateObject,
      rightStateObject

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

org.eclipse.persistence.jpa.jpql.model.AbstractCaseExpressionStateObjectBuilder

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

org.eclipse.persistence.jpa.jpql.model.AbstractEclipseLinkSelectExpressionStateObjectBuilder

org.eclipse.persistence.jpa.jpql.model.AbstractJPQLQueryBuilder

org.eclipse.persistence.jpa.jpql.model.AbstractNewValueStateObjectBuilder

org.eclipse.persistence.jpa.jpql.model.AbstractScalarExpressionStateObjectBuilder

org.eclipse.persistence.jpa.jpql.model.AbstractSelectExpressionStateObjectBuilder

org.eclipse.persistence.jpa.jpql.model.AbstractSimpleSelectExpressionStateObjectBuilder

org.eclipse.persistence.jpa.jpql.model.BaseJPQLQueryFormatter

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

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