Examples of org.eclipse.persistence.jpa.internal.jpql.parser.Expression.accept()

Package org.eclipse.persistence.jpa.internal.jpql.parser

Class org.eclipse.persistence.jpa.internal.jpql.parser.Expression

Examples of org.eclipse.persistence.jpa.internal.jpql.parser.Expression.accept()

org.eclipse.persistence.jpa.internal.jpql.parser.Expression.accept()
Visits this {@link Expression} by the given {@link ExpressionVisitor visitor}. @param visitor The {@link ExpressionVisitor visitor} to visit this object

  @Override
  public void visit(Join expression) {


    Expression joinAssociationPath = expression.getJoinAssociationPath();
    validateCollectionValuedPathExpression(joinAssociationPath, false);
    joinAssociationPath.accept(this);


    try {
      registerIdentificationVariable = false;
      expression.getIdentificationVariable().accept(this);
    }

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    // Now traverse the other side to find its return type
    if (leftExpression.isAncestor(inputParameter)) {
      if (currentExpression == null) {
        currentExpression = expression;
        rightExpression.accept(this);
        currentExpression = null;
      }
      else {
        type = null;
        ignoreType = true;

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    if (collectionExpression != null) {
      resolver = buildClassResolver(Object[].class);
    }
    else {
      selectExpression.accept(this);
    }
  }


  /**
   * {@inheritDoc}

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  @Override
  public void visit(Join expression) {


    Expression joinAssociationPath = expression.getJoinAssociationPath();
    validateCollectionValuedPathExpression(joinAssociationPath, false);
    joinAssociationPath.accept(this);


    try {
      registerIdentificationVariable = false;
      expression.getIdentificationVariable().accept(this);
    }

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        if (position == length + clauseExpressionLength + virtualSpaces.peek()) {


          virtualSpaces.add(SPACE_LENGTH);
          corrections.add(-clauseExpressionLength - 2);


          clauseExpression.accept(this);


          // Now ask the helper to add possible identifiers at the end of its expression
          if (isComplete(clauseExpression)) {
            helper.addAtTheEndOfExpression(expression);
          }

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    // Now traverse the other side to find its return type
    if (leftExpression.isAncestor(inputParameter)) {
      if (currentExpression == null) {
        currentExpression = expression;
        rightExpression.accept(this);
        currentExpression = null;
      }
      else {
        type = null;
        ignoreType = true;

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    if (collectionExpression != null) {
      resolver = buildClassResolver(Object[].class);
    }
    else {
      selectExpression.accept(this);
    }
  }


  /**
   * {@inheritDoc}

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  @Override
  public void visit(Join expression) {


    Expression joinAssociationPath = expression.getJoinAssociationPath();
    validateCollectionValuedPathExpression(joinAssociationPath, false);
    joinAssociationPath.accept(this);


    try {
      registerIdentificationVariable = false;
      expression.getIdentificationVariable().accept(this);
    }

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        if (position == length + clauseExpressionLength + virtualSpaces.peek()) {


          virtualSpaces.add(SPACE_LENGTH);
          corrections.add(-clauseExpressionLength - 2);


          clauseExpression.accept(this);


          // Now ask the helper to add possible identifiers at the end of its expression
          if (isComplete(clauseExpression)) {
            helper.addAtTheEndOfExpression(expression);
          }

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  @Override
  public void visit(Join expression) {


    Expression joinAssociationPath = expression.getJoinAssociationPath();
    validateCollectionValuedPathExpression(joinAssociationPath, false);
    joinAssociationPath.accept(this);


    try {
      registerIdentificationVariable = false;
      expression.getIdentificationVariable().accept(this);
    }

View Full Code Here

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