org.hibernate.hql.ast.tree
Class LiteralNode

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.LiteralNode
All Implemented Interfaces:
antlr.collections.AST, HqlSqlTokenTypes, InitializeableNode, SelectExpression, Serializable
Direct Known Subclasses:
BooleanLiteralNode

public class LiteralNode
extends AbstractSelectExpression
implements HqlSqlTokenTypes

Represents a literal.

Author:
josh Jan 8, 2005 10:09:53 AM
See Also:
Serialized Form

Field Summary
 
Fields inherited from class antlr.BaseAST
down, right
 
Fields inherited from interface org.hibernate.hql.antlr.HqlSqlTokenTypes
AGGREGATE, ALIAS, ALIAS_REF, ALL, AND, ANY, AS, ASCENDING, AVG, BETWEEN, BOGUS, BOTH, CASE, CASE2, CLASS, CLOSE, CLOSE_BRACKET, COLON, COMMA, CONCAT, CONSTANT, CONSTRUCTOR, COUNT, DELETE, DESCENDING, DISTINCT, DIV, DOT, ELEMENTS, ELSE, EMPTY, END, EOF, EQ, ESCAPE, ESCqs, EXISTS, EXPONENT, EXPR_LIST, FALSE, FETCH, FILTER_ENTITY, FILTERS, FLOAT_SUFFIX, FROM, FROM_FRAGMENT, FULL, GE, GROUP, GT, HAVING, HEX_DIGIT, ID_LETTER, ID_START_LETTER, IDENT, IMPLIED_FROM, IN, IN_LIST, INDEX_OP, INDICES, INNER, INSERT, INTO, IS, IS_NOT_NULL, IS_NULL, JAVA_CONSTANT, JOIN, JOIN_FRAGMENT, LE, LEADING, LEFT, LEFT_OUTER, LIKE, LITERAL_ascending, LITERAL_by, LITERAL_descending, LT, MAX, MEMBER, METHOD_CALL, METHOD_NAME, MIN, MINUS, NAMED_PARAM, NE, NEW, NOT, NOT_BETWEEN, NOT_IN, NOT_LIKE, NULL, NULL_TREE_LOOKAHEAD, NUM_DOUBLE, NUM_FLOAT, NUM_INT, NUM_LONG, OBJECT, OF, ON, OPEN, OPEN_BRACKET, OR, ORDER, ORDER_ELEMENT, OUTER, PARAM, PLUS, PROPERTIES, PROPERTY_REF, QUERY, QUOTED_STRING, RANGE, RIGHT, RIGHT_OUTER, ROW_STAR, SELECT, SELECT_CLAUSE, SELECT_COLUMNS, SELECT_EXPR, SELECT_FROM, SET, SOME, SQL_NE, SQL_TOKEN, STAR, SUM, THEN, THETA_JOINS, TRAILING, TRUE, UNARY_MINUS, UNARY_PLUS, UNION, UPDATE, VECTOR_EXPR, VERSIONED, WEIRD_IDENT, WHEN, WHERE, WITH, WS
 
Constructor Summary
LiteralNode()
           
 
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
setText
 

Constructor Detail

LiteralNode

public LiteralNode()
Method Detail

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

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