org.wandora.query2

Class TopicOperand

java.lang.Object

org.wandora.query2.Directive

org.wandora.query2.Operand

org.wandora.query2.TopicOperand

All Implemented Interfaces:

DirectiveUIHints.Provider

public class TopicOperand
extends Operand

Author:

olli

Field Summary

Fields

Modifier and Type	Field and Description
Tuples.T2<Topic,java.lang.String>	cachedTopic
boolean	topicIsCached

Fields inherited from class org.wandora.query2.Operand

cache, isCached, operand, stat

Fields inherited from class org.wandora.query2.Directive

DEFAULT_COL, DEFAULT_NS

Constructor Summary

Constructors

Constructor and Description
TopicOperand()
TopicOperand(java.lang.Object operand)

Method Summary

Modifier and Type	Method and Description
java.lang.String	getOperandSI(QueryContext context, ResultRow input)
Topic	getOperandTopic(QueryContext context, ResultRow input)
Tuples.T2<Topic,java.lang.String>	getOperandTopicAndSI(QueryContext context, ResultRow input)
DirectiveUIHints	getUIHints()
static TopicOperand	makeTopicOperand(java.lang.Object o)
static TopicOperand[]	makeTopicOperands(java.lang.Object[] os)
boolean	startQuery(QueryContext context) Prepares the query for execution.

Methods inherited from class org.wandora.query2.Operand

endOperands, endQuery, getOperandObject, getOperandString, isStatic, makeOperand, makeOperands, queryIterator, startOperands

Methods inherited from class org.wandora.query2.Directive

as, as, debugString, debugString, debugStringInner, debugStringInner, debugStringInner, debugStringParams, debugStringParams, doQuery, from, from, from, from, from, from, from, from, from, from, getStandardAddonHints, getStandardAddonHints, join, main, of, query, to, to, to, to, to, where, where

Methods inherited from class java.lang.Object

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

Field Detail

cachedTopic

public Tuples.T2<Topic,java.lang.String> cachedTopic

topicIsCached

public boolean topicIsCached

Constructor Detail

TopicOperand

public TopicOperand()

TopicOperand

public TopicOperand(java.lang.Object operand)

Method Detail

getUIHints

public DirectiveUIHints getUIHints()

Specified by:

getUIHints in interface DirectiveUIHints.Provider

Overrides:

getUIHints in class Operand

makeTopicOperand

public static TopicOperand makeTopicOperand(java.lang.Object o)

makeTopicOperands

public static TopicOperand[] makeTopicOperands(java.lang.Object[] os)

startQuery

public boolean startQuery(QueryContext context)
                   throws QueryException

Description copied from class: Directive

Prepares the query for execution. Extending classes must propagate the call to any contained queries.

Overrides:

startQuery in class Operand

Throws:

QueryException

getOperandTopicAndSI

public Tuples.T2<Topic,java.lang.String> getOperandTopicAndSI(QueryContext context,
                                                              ResultRow input)
                                                       throws QueryException

Throws:

QueryException

getOperandTopic

public Topic getOperandTopic(QueryContext context,
                             ResultRow input)
                      throws QueryException

Throws:

QueryException

getOperandSI

public java.lang.String getOperandSI(QueryContext context,
                                     ResultRow input)
                              throws QueryException

Throws:

QueryException