wt.query.qml
Class QueryStatementHandler

java.lang.Object
  wt.query.qml.AbstractQueryStatementHandler
      wt.query.qml.QueryStatementHandler

All Implemented Interfaces:

StatementHandler

public class QueryStatementHandler

extends AbstractQueryStatementHandler

This class implements a StatementHandler for basic queries. A QuerySpec instance is built from a DOM Node.

Supported API: false

Extendable: false

Field Summary

private static String	CLASSNAME
private static String	COLUMN_ALIAS_TOKEN
private static String	RESOURCE

Fields inherited from class wt.query.qml.AbstractQueryStatementHandler

DEBUG, ELEMENT_HANDLER

Constructor Summary

QueryStatementHandler()

Method Summary

StatementSpec	build(Element a_element, Hashtable a_parameterMap) Builds a StatementSpec instance using the specified DOM node.
Element	getSelect(Element a_element) Returns the Select element of this query.
private void	processSubQueryAlias(Element a_queryElement, String a_alias, int a_level)

Methods inherited from class wt.query.qml.AbstractQueryStatementHandler

newQuerySpec

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

RESOURCE

private static final String RESOURCE

See Also:

Constant Field Values

CLASSNAME

private static final String CLASSNAME

COLUMN_ALIAS_TOKEN

private static final String COLUMN_ALIAS_TOKEN

See Also:

Constant Field Values

Constructor Detail

QueryStatementHandler

public QueryStatementHandler()

Method Detail

build

public StatementSpec build(Element a_element,
                           Hashtable a_parameterMap)
                    throws QMLException

Builds a StatementSpec instance using the specified DOM node.

Supported API: false

Specified by:

build in interface StatementHandler

Overrides:

build in class AbstractQueryStatementHandler

Parameters:

a_element -

a_parameterMap -

Returns:

StatementSpec

Throws:

QMLException

getSelect

public Element getSelect(Element a_element)
                  throws QMLException

Returns the Select element of this query.

Supported API: false

Specified by:

getSelect in class AbstractQueryStatementHandler

Parameters:

a_element -

Returns:

Element

Throws:

QMLException

processSubQueryAlias

private void processSubQueryAlias(Element a_queryElement,
                                  String a_alias,
                                  int a_level)
                           throws WTException

Throws:

WTException