org.hibernate.hql.ast.tree
Class CaseNode

java.lang.Object
  extended byantlr.BaseAST
      extended byantlr.CommonAST
          extended byorg.hibernate.hql.ast.tree.Node
              extended byorg.hibernate.hql.ast.tree.SqlNode
                  extended byorg.hibernate.hql.ast.tree.HqlSqlWalkerNode
                      extended byorg.hibernate.hql.ast.tree.AbstractSelectExpression
                          extended byorg.hibernate.hql.ast.tree.CaseNode
All Implemented Interfaces:
antlr.collections.AST, InitializeableNode, SelectExpression, Serializable

public class CaseNode
extends AbstractSelectExpression
implements SelectExpression

Represents a case ... when .. then ... else ... end expression in a select.

Author:
Gavin King
See Also:
Serialized Form

Field Summary
 
Fields inherited from class antlr.BaseAST
down, right
 
Constructor Summary
CaseNode()
           
 
Method Summary
 Type getDataType()
          Returns the data type of the select expression.
 void setScalarColumnText(int i)
          Appends AST nodes that represent the columns after the current AST node.
 
Methods inherited from class org.hibernate.hql.ast.tree.AbstractSelectExpression
getAlias, getFromElement, isConstructor, isReturnableEntity, isScalar, setAlias
 
Methods inherited from class org.hibernate.hql.ast.tree.HqlSqlWalkerNode
getAliasGenerator, getASTFactory, getSessionFactoryHelper, getWalker, initialize
 
Methods inherited from class org.hibernate.hql.ast.tree.SqlNode
getOriginalText, setDataType, setText
 
Methods inherited from class org.hibernate.hql.ast.tree.Node
getColumn, getFilename, getLine, getRenderText, getTextLength, initialize, initialize
 
Methods inherited from class antlr.CommonAST
getText, getType, initialize, setType
 
Methods inherited from class antlr.BaseAST
addChild, decode, encode, equals, equalsList, equalsListPartial, equalsTree, equalsTreePartial, findAll, findAllPartial, getFirstChild, getNextSibling, getNumberOfChildren, getTokenNames, removeChildren, setFirstChild, setNextSibling, setVerboseStringConversion, toString, toStringList, toStringTree, xmlSerialize, xmlSerializeNode, xmlSerializeRootClose, xmlSerializeRootOpen
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface org.hibernate.hql.ast.tree.SelectExpression
getAlias, getFromElement, isConstructor, isReturnableEntity, isScalar, setAlias, setText
 

Constructor Detail

CaseNode

public CaseNode()
Method Detail

getDataType

public Type getDataType()
Description copied from interface: SelectExpression
Returns the data type of the select expression.

Specified by:
getDataType in interface SelectExpression
Overrides:
getDataType in class SqlNode

setScalarColumnText

public void setScalarColumnText(int i)
                         throws antlr.SemanticException
Description copied from interface: SelectExpression
Appends AST nodes that represent the columns after the current AST node. (e.g. 'as col0_O_')

Specified by:
setScalarColumnText in interface SelectExpression
Parameters:
i - The index of the select expression in the projection list.
Throws:
antlr.SemanticException