org.jpc.query

Class PrologQuery

java.lang.Object

org.jpc.query.Cursor<Solution>

org.jpc.query.Query

org.jpc.query.PrologQuery

All Implemented Interfaces:

AutoCloseable, Iterator<Solution>

Direct Known Subclasses:

DeterministicPrologQuery, JpcQuery

public abstract class PrologQuery
extends Query

Constructor Summary

Constructors

Constructor and Description
PrologQuery(PrologEngine prologEngine, Term goal, boolean errorHandledQuery, Jpc context)

Method Summary

Modifier and Type	Method and Description
static Term	exceptionHandledQueryTerm(Term term)
protected Term	getDefaultSelectedTerm() The default selected term when select* methods are called without specifying a select term By default, a PrologEngineQuery uses its goal.
Term	getGoal()
Term	getInstrumentedGoal()
Jpc	getJpcContext()
PrologEngine	getPrologEngine()
protected Term	instrumentGoal(Term goal)
boolean	isErrorHandledQuery()
String	toString()
static Term	withOperatorsQueryTerm(Term term)

Methods inherited from class org.jpc.query.Query

allSolutionsMultimap, asTerm, basicAllSolutions, cachedNext, errorCheck, getAllSolutionsBindingsTerm, select, select, select, selectObject, selectObject, selectObject, selectObject, selectObject, selectObject, shouldVerifySolution

Methods inherited from class org.jpc.query.Cursor

abort, adapt, allSolutions, basicAbort, basicClose, basicNext, basicOneSolutionOrThrow, basicSolutionsRange, close, filter, finalize, getState, hasNext, hasSolution, isAbortable, isExhausted, isOpen, isReady, iterativeAllSolutions, next, nonSynchronizedClose, nSolutions, numberOfSolutions, oneSolution, oneSolutionOrThrow, remove, setState, solutionsRange

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining

Constructor Detail

PrologQuery

public PrologQuery(PrologEngine prologEngine,
                   Term goal,
                   boolean errorHandledQuery,
                   Jpc context)

Method Detail

exceptionHandledQueryTerm

public static Term exceptionHandledQueryTerm(Term term)

withOperatorsQueryTerm

public static Term withOperatorsQueryTerm(Term term)

instrumentGoal

protected Term instrumentGoal(Term goal)

getPrologEngine

public PrologEngine getPrologEngine()

Specified by:

getPrologEngine in class Query

isErrorHandledQuery

public boolean isErrorHandledQuery()

Specified by:

isErrorHandledQuery in class Query

getGoal

public Term getGoal()

Specified by:

getGoal in class Query

getInstrumentedGoal

public Term getInstrumentedGoal()

getJpcContext

public Jpc getJpcContext()

Specified by:

getJpcContext in class Query

getDefaultSelectedTerm

protected Term getDefaultSelectedTerm()

Description copied from class: Query

The default selected term when select* methods are called without specifying a select term By default, a PrologEngineQuery uses its goal. QueryAdapter queries use their adapted default selected term. Other QueryAdapter classes may find useful to override this method. For example, ExceptionHandledQuery overrides this method so it is the first argument in the catch block of the original goal. Logtalk queries overrides this so the default selected term is the Logtalk method and parameters (excluding the id of the Logtalk object and the :: operator)

Specified by:

getDefaultSelectedTerm in class Query

Returns:

toString

public String toString()

Overrides:

toString in class Object