LiteralNode (Hibernate API Documentation) - Hibernate 3.2.4 正式版 API 英文文档

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org.hibernate.hql.ast.tree
Class LiteralNode

java.lang.Object
  antlr.BaseAST
      antlr.CommonAST
          org.hibernate.hql.ast.tree.Node
              org.hibernate.hql.ast.tree.SqlNode
                  org.hibernate.hql.ast.tree.HqlSqlWalkerNode
                      org.hibernate.hql.ast.tree.AbstractSelectExpression
                          org.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()