Package org.exoplatform.services.jcr.impl.core.query

Examples of org.exoplatform.services.jcr.impl.core.query.RelationQueryNode

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    */
   private RelationQueryNode createRelationQueryNode(QueryNode parent, InternalQName propertyName, int operationType,
      ASTLiteral literal) throws IllegalArgumentException
   {

      RelationQueryNode node = null;

      try
      {
         QPath relPath = null;
         if (propertyName != null)
         {
            relPath = new QPath(new QPathEntry[]{new QPathEntry(propertyName, 0)});
         }
         if (literal == null)
         {
            node = factory.createRelationQueryNode(parent, operationType);
            node.setRelativePath(relPath);
         }
         else if (literal.getType() == QueryConstants.TYPE_DATE)
         {
            SimpleDateFormat format = new SimpleDateFormat(DATE_PATTERN);
            Date date = format.parse(literal.getValue());
            node = factory.createRelationQueryNode(parent, operationType);
            node.setRelativePath(relPath);
            node.setDateValue(date);
         }
         else if (literal.getType() == QueryConstants.TYPE_DOUBLE)
         {
            double d = Double.parseDouble(literal.getValue());
            node = factory.createRelationQueryNode(parent, operationType);
            node.setRelativePath(relPath);
            node.setDoubleValue(d);
         }
         else if (literal.getType() == QueryConstants.TYPE_LONG)
         {
            long l = Long.parseLong(literal.getValue());
            node = factory.createRelationQueryNode(parent, operationType);
            node.setRelativePath(relPath);
            node.setLongValue(l);
         }
         else if (literal.getType() == QueryConstants.TYPE_STRING)
         {
            node = factory.createRelationQueryNode(parent, operationType);
            node.setRelativePath(relPath);
            node.setStringValue(literal.getValue());
         }
         else if (literal.getType() == QueryConstants.TYPE_TIMESTAMP)
         {
            Calendar c = ISO8601.parse(literal.getValue());
            node = factory.createRelationQueryNode(parent, operationType);
            node.setRelativePath(relPath);
            node.setDateValue(c.getTime());
         }
      }
      catch (java.text.ParseException e)
      {
         throw new IllegalArgumentException(e.toString());
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         }

         if (type == QueryConstants.OPERATION_BETWEEN)
         {
            AndQueryNode between = factory.createAndQueryNode(parent);
            RelationQueryNode rel =
               createRelationQueryNode(between, identifier, QueryConstants.OPERATION_GE_GENERAL,
                  (ASTLiteral)node.children[1]);
            node.childrenAccept(this, rel);
            between.addOperand(rel);
            rel =
               createRelationQueryNode(between, identifier, QueryConstants.OPERATION_LE_GENERAL,
                  (ASTLiteral)node.children[2]);
            node.childrenAccept(this, rel);
            between.addOperand(rel);
            predicateNode = between;
         }
         else if (type == QueryConstants.OPERATION_GE_GENERAL || type == QueryConstants.OPERATION_GT_GENERAL
            || type == QueryConstants.OPERATION_LE_GENERAL || type == QueryConstants.OPERATION_LT_GENERAL
            || type == QueryConstants.OPERATION_NE_GENERAL || type == QueryConstants.OPERATION_EQ_GENERAL)
         {
            predicateNode = createRelationQueryNode(parent, identifier, type, value[0]);
            node.childrenAccept(this, predicateNode);
         }
         else if (type == QueryConstants.OPERATION_LIKE)
         {
            ASTLiteral pattern = value[0];
            if (node.getEscapeString() != null)
            {
               if (node.getEscapeString().length() == 1)
               {
                  // backslash is the escape character we use internally
                  pattern.setValue(translateEscaping(pattern.getValue(), node.getEscapeString().charAt(0), '\\'));
               }
               else
               {
                  throw new IllegalArgumentException("ESCAPE string value must have length 1: '"
                     + node.getEscapeString() + "'");
               }
            }
            else
            {
               // no escape character specified.
               // if the pattern contains any backslash characters we need
               // to escape them.
               pattern.setValue(pattern.getValue().replaceAll("\\\\", "\\\\\\\\"));
            }
            predicateNode = createRelationQueryNode(parent, identifier, type, pattern);
            node.childrenAccept(this, predicateNode);
         }
         else if (type == QueryConstants.OPERATION_IN)
         {
            OrQueryNode in = factory.createOrQueryNode(parent);
            for (int i = 1; i < node.children.length; i++)
            {
               RelationQueryNode rel =
                  createRelationQueryNode(in, identifier, QueryConstants.OPERATION_EQ_VALUE,
                     (ASTLiteral)node.children[i]);
               node.childrenAccept(this, rel);
               in.addOperand(rel);
            }
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      return parent;
   }

   public Object visit(ASTLowerFunction node, Object data)
   {
      RelationQueryNode parent = (RelationQueryNode)data;
      if (parent.getValueType() != QueryConstants.TYPE_STRING)
      {
         String msg = "LOWER() function is only supported for String literal";
         throw new IllegalArgumentException(msg);
      }
      parent.addOperand(factory.createPropertyFunctionQueryNode(parent, PropertyFunctionQueryNode.LOWER_CASE));
      return parent;
   }
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      QueryNode[] pred = node.getPredicates();
      for (int i = 0; i < pred.length; i++)
      {
         if (pred[i].getType() == QueryNode.TYPE_RELATION)
         {
            RelationQueryNode pos = (RelationQueryNode)pred[i];
            if (pos.getValueType() == QueryConstants.TYPE_POSITION)
            {
               node.setIndex(pos.getPositionValue());
            }
         }
      }

      NameQuery nameTest = null;
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    */
   private RelationQueryNode createRelationQueryNode(QueryNode parent, InternalQName propertyName, int operationType,
      ASTLiteral literal) throws IllegalArgumentException
   {

      RelationQueryNode node = null;

      try
      {
         QPath relPath = null;
         if (propertyName != null)
         {
            relPath = new QPath(new QPathEntry[]{new QPathEntry(propertyName, 0)});
         }
         if (literal == null)
         {
            node = factory.createRelationQueryNode(parent, operationType);
            node.setRelativePath(relPath);
         }
         else if (literal.getType() == QueryConstants.TYPE_DATE)
         {
            SimpleDateFormat format = new SimpleDateFormat(DATE_PATTERN);
            Date date = format.parse(literal.getValue());
            node = factory.createRelationQueryNode(parent, operationType);
            node.setRelativePath(relPath);
            node.setDateValue(date);
         }
         else if (literal.getType() == QueryConstants.TYPE_DOUBLE)
         {
            double d = Double.parseDouble(literal.getValue());
            node = factory.createRelationQueryNode(parent, operationType);
            node.setRelativePath(relPath);
            node.setDoubleValue(d);
         }
         else if (literal.getType() == QueryConstants.TYPE_LONG)
         {
            long l = Long.parseLong(literal.getValue());
            node = factory.createRelationQueryNode(parent, operationType);
            node.setRelativePath(relPath);
            node.setLongValue(l);
         }
         else if (literal.getType() == QueryConstants.TYPE_STRING)
         {
            node = factory.createRelationQueryNode(parent, operationType);
            node.setRelativePath(relPath);
            node.setStringValue(literal.getValue());
         }
         else if (literal.getType() == QueryConstants.TYPE_TIMESTAMP)
         {
            Calendar c = ISO8601.parse(literal.getValue());
            node = factory.createRelationQueryNode(parent, operationType);
            node.setRelativePath(relPath);
            node.setDateValue(c.getTime());
         }
      }
      catch (java.text.ParseException e)
      {
         throw new IllegalArgumentException(e.toString());
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         }

         if (type == QueryConstants.OPERATION_BETWEEN)
         {
            AndQueryNode between = factory.createAndQueryNode(parent);
            RelationQueryNode rel =
               createRelationQueryNode(between, identifier, QueryConstants.OPERATION_GE_GENERAL,
                  (ASTLiteral)node.children[1]);
            node.childrenAccept(this, rel);
            between.addOperand(rel);
            rel =
               createRelationQueryNode(between, identifier, QueryConstants.OPERATION_LE_GENERAL,
                  (ASTLiteral)node.children[2]);
            node.childrenAccept(this, rel);
            between.addOperand(rel);
            predicateNode = between;
         }
         else if (type == QueryConstants.OPERATION_GE_GENERAL || type == QueryConstants.OPERATION_GT_GENERAL
            || type == QueryConstants.OPERATION_LE_GENERAL || type == QueryConstants.OPERATION_LT_GENERAL
            || type == QueryConstants.OPERATION_NE_GENERAL || type == QueryConstants.OPERATION_EQ_GENERAL)
         {
            predicateNode = createRelationQueryNode(parent, identifier, type, value[0]);
            node.childrenAccept(this, predicateNode);
         }
         else if (type == QueryConstants.OPERATION_LIKE)
         {
            ASTLiteral pattern = value[0];
            if (node.getEscapeString() != null)
            {
               if (node.getEscapeString().length() == 1)
               {
                  // backslash is the escape character we use internally
                  pattern.setValue(translateEscaping(pattern.getValue(), node.getEscapeString().charAt(0), '\\'));
               }
               else
               {
                  throw new IllegalArgumentException("ESCAPE string value must have length 1: '"
                     + node.getEscapeString() + "'");
               }
            }
            else
            {
               // no escape character specified.
               // if the pattern contains any backslash characters we need
               // to escape them.
               pattern.setValue(pattern.getValue().replaceAll("\\\\", "\\\\\\\\"));
            }
            predicateNode = createRelationQueryNode(parent, identifier, type, pattern);
            node.childrenAccept(this, predicateNode);
         }
         else if (type == QueryConstants.OPERATION_IN)
         {
            OrQueryNode in = factory.createOrQueryNode(parent);
            for (int i = 1; i < node.children.length; i++)
            {
               RelationQueryNode rel =
                  createRelationQueryNode(in, identifier, QueryConstants.OPERATION_EQ_VALUE,
                     (ASTLiteral)node.children[i]);
               node.childrenAccept(this, rel);
               in.addOperand(rel);
            }
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      return parent;
   }

   public Object visit(ASTLowerFunction node, Object data)
   {
      RelationQueryNode parent = (RelationQueryNode)data;
      if (parent.getValueType() != QueryConstants.TYPE_STRING)
      {
         String msg = "LOWER() function is only supported for String literal";
         throw new IllegalArgumentException(msg);
      }
      parent.addOperand(factory.createPropertyFunctionQueryNode(parent, PropertyFunctionQueryNode.LOWER_CASE));
      return parent;
   }
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      return parent;
   }

   public Object visit(ASTUpperFunction node, Object data)
   {
      RelationQueryNode parent = (RelationQueryNode)data;
      if (parent.getValueType() != QueryConstants.TYPE_STRING)
      {
         String msg = "UPPER() function is only supported for String literal";
         throw new IllegalArgumentException(msg);
      }
      parent.addOperand(factory.createPropertyFunctionQueryNode(parent, PropertyFunctionQueryNode.UPPER_CASE));
      return parent;
   }
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      QueryNode[] pred = node.getPredicates();
      for (int i = 0; i < pred.length; i++)
      {
         if (pred[i].getType() == QueryNode.TYPE_RELATION)
         {
            RelationQueryNode pos = (RelationQueryNode)pred[i];
            if (pos.getValueType() == QueryConstants.TYPE_POSITION)
            {
               node.setIndex(pos.getPositionValue());
            }
         }
      }

      NameQuery nameTest = null;
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      QueryNode[] pred = node.getPredicates();
      for (int i = 0; i < pred.length; i++)
      {
         if (pred[i].getType() == QueryNode.TYPE_RELATION)
         {
            RelationQueryNode pos = (RelationQueryNode)pred[i];
            if (pos.getValueType() == QueryConstants.TYPE_POSITION)
            {
               node.setIndex(pos.getPositionValue());
            }
         }
      }

      NameQuery nameTest = null;
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Related Classes of org.exoplatform.services.jcr.impl.core.query.RelationQueryNode

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  • org.exoplatform.services.jcr.impl.core.query.lucene.LuceneQueryBuilder
  • org.exoplatform.services.jcr.impl.core.query.sql.JCRSQLQueryBuilder
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