Top Description Constructors Methods
org.hibernate.hql.internal.ast.tree

public Class SimpleCaseNode

extends AbstractSelectExpression
implements SelectExpression, ExpectedTypeAwareNode
Class Inheritance
All Implemented Interfaces
org.hibernate.hql.internal.ast.tree.ExpectedTypeAwareNode, org.hibernate.hql.internal.ast.tree.SelectExpression
Imports
org.hibernate.QueryException, org.hibernate.hql.internal.antlr.HqlSqlTokenTypes, org.hibernate.hql.internal.ast.util.ASTUtil, .ColumnHelper, org.hibernate.type.Type, antlr.SemanticException, antlr.collections.AST
Models what ANSI SQL terms a simple case statement. This is a CASE expression in the form
CASE [expression]
    WHEN [firstCondition] THEN [firstResult]
    WHEN [secondCondition] THEN [secondResult]
    ELSE [defaultResult]
END
Authors
Gavin King, Steve Ebersole

Constructor Summary

AccessConstructor and Description
public
SimpleCaseNode()

Method Summary

Modifier and TypeMethod and Description
public Type
getDataType()

Overrides org.hibernate.hql.internal.ast.tree.SqlNode.getDataType.

Implements org.hibernate.hql.internal.ast.tree.SelectExpression.getDataType.

Returns the data type of the select expression.
public Type
getExpectedType()

Implements org.hibernate.hql.internal.ast.tree.ExpectedTypeAwareNode.getExpectedType.

public void
setExpectedType(Type expectedType)

Implements org.hibernate.hql.internal.ast.tree.ExpectedTypeAwareNode.setExpectedType.

public void
setScalarColumnText(int
The index of the select expression in the projection list.
i)

Implements org.hibernate.hql.internal.ast.tree.SelectExpression.setScalarColumnText.

Appends AST nodes that represent the columns after the current AST node.
Inherited from org.hibernate.hql.internal.ast.tree.AbstractSelectExpression:
getAliasgetFromElementgetScalarColumnIndexisConstructorisReturnableEntityisScalarsetAliassetScalarColumn

Constructor Detail

SimpleCaseNodeback to summary
public SimpleCaseNode()

Method Detail

getDataTypeback to summary
public Type getDataType()

Overrides org.hibernate.hql.internal.ast.tree.SqlNode.getDataType.

Implements org.hibernate.hql.internal.ast.tree.SelectExpression.getDataType.

Doc from org.hibernate.hql.internal.ast.tree.SelectExpression.getDataType.

Returns the data type of the select expression.

Returns:Type

The data type of the select expression.

getExpectedTypeback to summary
public Type getExpectedType()

Implements org.hibernate.hql.internal.ast.tree.ExpectedTypeAwareNode.getExpectedType.

Annotations
@Override
setExpectedTypeback to summary
public void setExpectedType(Type expectedType)

Implements org.hibernate.hql.internal.ast.tree.ExpectedTypeAwareNode.setExpectedType.

Annotations
@Override
setScalarColumnTextback to summary
public void setScalarColumnText(int i) throws SemanticException

Implements org.hibernate.hql.internal.ast.tree.SelectExpression.setScalarColumnText.

Doc from org.hibernate.hql.internal.ast.tree.SelectExpression.setScalarColumnText.

Appends AST nodes that represent the columns after the current AST node. (e.g. 'as col0_O_')

Parameters
i:int

The index of the select expression in the projection list.

Exceptions
SemanticException:
if a semantic error occurs