edu.isi.powerloom.logic
Class PagingIndex

java.lang.Object
  extended by edu.isi.stella.Stella_Object
      extended by edu.isi.stella.StandardObject
          extended by edu.isi.powerloom.logic.SequenceIndex
              extended by edu.isi.powerloom.logic.PagingIndex
Direct Known Subclasses:
CycPagingIndex

public class PagingIndex
extends SequenceIndex

Index that manages a sequence of objects retrievable from persistent storage. Needs to be appropriately subclassed by actual store implementations and facilitated with a proper iterator class.


Field Summary
 Cons selectionPattern
           
 ObjectStore store
           
 
Fields inherited from class edu.isi.powerloom.logic.SequenceIndex
theSequence, theSequenceLength
 
Constructor Summary
PagingIndex()
           
 
Method Summary
static Stella_Object accessPagingIndexSlotValue(PagingIndex self, Symbol slotname, Stella_Object value, boolean setvalueP)
           
 Iterator allocateIterator()
           
 int estimatedLength()
          Return the estimated length of the sequences in 'self', which could be too large if some of the members have been deleted.
 void insert(Stella_Object value)
           
static PagingIndex newPagingIndex()
           
 Surrogate primaryType()
          Returns the primary type of self.
 void printObject(java.io.PrintStream stream)
           
static void printPagingIndex(PagingIndex self, java.io.PrintStream stream)
           
 void push(Stella_Object value)
           
 SequenceIndex remove(Stella_Object value)
           
 SequenceIndex removeDeletedMembers()
          Destructively remove all deleted members of self.
 
Methods inherited from class edu.isi.powerloom.logic.SequenceIndex
accessSequenceIndexSlotValue, consify, emptyP, emptyPropositionsIndexP, first, printSequenceIndex, sequenceIndexDestimatedLength
 
Methods inherited from class edu.isi.stella.StandardObject
arrayTypeSpecifierP, baseTypeToTypeSpec, cantOverwriteActiveCollectionSlot, compatibleParameterTypesP, computeAnchoredTypeSpec, computeRelativeTypeSpec, conformingTypeSpecP, copyWrappedLiteral, cppReferenceTypeP, cppReferencizeType, cppTranslateAndPointerizeTypeSpec, cppTranslateAndReferencizeTypeSpec, cppTranslateTypeSpec, dropSlotValue, extractParameterType, extractRequiredArgumentValues, getSlot, hashCode_, idlTranslateTypeSpec, inverseSlotDemon, javaLiteralP, javaNativeLiteralWrapperNames, javaSpecialSetterName, javaTranslateArrayOfTypeSpec, javaTranslateTypeSpec, javaTranslateTypeSpecForFunction, javaTranslateTypeSpecHelper, javaYieldClassObjectArrayExpression, javaYieldClassObjectExpression, javaYieldFullyQualifiedTypeName, javaYieldTranslatedClassAndMethodNames, listifyTypeSpec, lookupClTypeFromStellaType, objectEqlP, putSlotValue, readSlotValue, runConstructorDemons, runDestructorDemons, runSlotDemons, runSlotGuardDemonsP, standardObjectP, subTypeSpecOfP, twoArgumentLeastCommonSupertype, typeSpecToBaseType, typeSpecToClass, typeToWalkedNullValueTree, validateTypeSpecifier, voidP, walkTypeSpecIsNativeTypeP, writeSlotValue, yieldTypeSpecTree
 
Methods inherited from class edu.isi.stella.Stella_Object
_, accessInContext, amPm, anchoredTypeSpecifierP, andOrNotTreeP, applyCoercionMethod, atomicExpressionP, bindToSurrogateP, booleanP, bootstrapIsaP, bquotify, cast, characterP, clTranslateAtomicTree, clTranslateATree, clTranslateBooleanTest, clTranslatePlainBooleanTest, clTranslateVerbatimBodySymbols, clYieldTypedExpressionTree, coerceATree, coerceEvaluatedTree, coerceMvTree, coerceToBoolean, coerceToModule, coerceToModuleName, coerceToSymbol, coerceToXmlElement, coercibleP, collectFeatureList, collectKeyValueList, commonLispSymbolP, computeExpressionType, cons, consifyListsAndIterators, consP, consTreeMatchP, convertToLiteral, copyConsTree, cppArgumentIsStreamP, cppBinaryOperatorP, cppBlockP, cppMaybeOutputStatementWithParentheses, cppOperatorP, cppOutputAtomicExpression, cppOutputLiteral, cppOutputOneActualParameter, cppOutputStatement, cppOutputTypedEntity, cppPrognifyStatement, cppPrognP, cppStatementToList, cppStreamIsStandardOutputP, cpptrans, cppTranslateAtomicTree, cppTranslateATree, cppTranslatedArrayTypeP, csValueP, dateDivider, dateTimeDivider, day, dealWithAmPm, dealWithEra, dealWithNoonMidn, decrementReferenceCount, defaultOptionHandler, defineSystem, defmodule, deletedP, describe, describeObject, describeTersely, destructureMethodNameTree, deUglifyParseTree, either, eqlP, eqlToBooleanP, eqlToCharacterP, eqlToFloatP, eqlToIntegerP, eqlToStringP, equalConsTreesP, equalHashCode, equalP, era, estimatedEvaluationCost, evaluate, evaluateArgumentTree, evaluateAtomicTree, evaluateCommand, expandBquoteTree, filterModuleP, floatP, free, get, getObject, hashlist, hashMemoizedArguments, helpBquotify, helpClTranslateATree, helpCoerceATree, helpLptrans, helpPrintOutline, helpTransformBooleanProceduralExpression, helpWalkATree, homeModule, hour, idlOutputAtomicExpression, idlOutputLiteral, idlOutputStatement, idlTranslateAtomicTree, idlTranslateATree, illegalTreeP, implodePathname, incrementallyTranslate, incrementReferenceCount, inlineUnwrapBoolean, inlineWrapBoolean, inModule, integerP, isaP, javaBinaryOperatorP, javaBlockP, javaEndOfLineTokenP, javaHelpOutputPrintStream, javaMaybeOutputStatementWithParentheses, javaOperatorP, javaOutputLiteral, javaOutputStatement, javaPrognP, javaStreamIsStandardOutputP, javaSymbolCaseP, javaTranslateAtomicTree, javaTranslateATree, javaTranslateWithNativeWrapper, jptrans, keywordP, kvCons, legalTokenizerFromStateP, legalTokenizerStateP, legalTokenizerToStateP, literalEqlP, logLevelLE, lptrans, makeFileNameFromRelativePath, makeMemoizedValueEntry, makeMemoizedValueEntryn, matchConsTree, methodSlotP, minute, month, nameToString, nilP, noonMidn, numberWrapperToFloat, objectEqualP, objectHashCode, one, oneI, onlyIf, parametricTypeSpecifierP, parseArrayDimensionsSpec, parseTokenizerCharacterSpec, parseTokenizerStateModifiers, permanentCopy, permanentify, permanentifyForm, po, prettyPrintLiteral, primaryClass, printOutline, printStellaCode, printStellaDefinition, printUndefinedSuperClasses, proceduralExpressionP, ptrans, publicSlots, registerRecycledItem, runOptionHandlerP, safeEqualHashCode, safeHashCode, safePrimaryType, safeYieldTypeSpecifier, searchConsTreeP, searchConsTreeWithFilterP, searchForObject, secondp, sideEffectFreeExpressionP, simplifyBquoteTree, specialp, stella_Increment, stellaClassP, stellaCollectionP, stellaNeedToCompileP, stellaNeedToTranslateP, stellaObjectP, stellify, storageSlotP, stringifyInModule, stringP, substituteConsTree, substituteOnce, surrogateP, surrogatify, sweep, symbolCaseP, symbolP, sysTree, targetLanguageType, taxonomyIsaP, timeDivider, timeMultiply, tokenizerIncludeSpecP, tokenizerToStateAlias, tokenizerToStateName, toString, traceIf, traceKeywordP, transientifyForm, transientObjectP, transientSymbolP, translateWalkedTree, treeSize, treeToTrees, trueOptionP, tryToEvaluate, typeP, typify, unmake, unregisterRecycledItem, updateInContext, valuesTreeP, variableExpressionP, verbatimStringP, verbatimTreeP, vetOptions, vrletExpressionP, walkAtomicTree, walkATree, walkCollectionTree, walkDontCallMeTree, walkedExpressionType, walkExpressionTree, walkMvExpressionTree, walkMvTree, walkStatement, walkTopLevelExpression, walkWithoutTypeTree, warnAboutUnknownSourceType, weekday, withinContext, withinModule, withinWorld, withStellaTokenizer, withSystemDefinition, withTokenizer, wrapperP, wrapWhereTest, xmlAttributeP, xmlCdataFormP, xmlCdataP, xmlDeclarationFormP, xmlDeclarationP, xmlDoctypeFormP, xmlElementFormP, xmlElementP, xmlnsAttributeP, xmlProcessingInstructionFormP, xmlProcessingInstructionP, xmlTagCase, year, yieldCondTest, yieldCondTestOrTests, yieldHardcodedCaseSymbolIdOrIds, yieldInCursorClausesForArgumentList, yieldInCursorClausesForGeneralCollection, yieldInCursorClausesForVector, yieldTypeSpecifier, zone, zoneMinute
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Field Detail

selectionPattern

public Cons selectionPattern

store

public ObjectStore store
Constructor Detail

PagingIndex

public PagingIndex()
Method Detail

newPagingIndex

public static PagingIndex newPagingIndex()

allocateIterator

public Iterator allocateIterator()
Overrides:
allocateIterator in class SequenceIndex

printPagingIndex

public static void printPagingIndex(PagingIndex self,
                                    java.io.PrintStream stream)

remove

public SequenceIndex remove(Stella_Object value)
Overrides:
remove in class SequenceIndex

removeDeletedMembers

public SequenceIndex removeDeletedMembers()
Destructively remove all deleted members of self.

Overrides:
removeDeletedMembers in class SequenceIndex
Returns:
SequenceIndex

estimatedLength

public int estimatedLength()
Return the estimated length of the sequences in 'self', which could be too large if some of the members have been deleted.

Overrides:
estimatedLength in class SequenceIndex
Returns:
int

push

public void push(Stella_Object value)
Overrides:
push in class SequenceIndex

insert

public void insert(Stella_Object value)
Overrides:
insert in class SequenceIndex

printObject

public void printObject(java.io.PrintStream stream)
Overrides:
printObject in class SequenceIndex

accessPagingIndexSlotValue

public static Stella_Object accessPagingIndexSlotValue(PagingIndex self,
                                                       Symbol slotname,
                                                       Stella_Object value,
                                                       boolean setvalueP)

primaryType

public Surrogate primaryType()
Description copied from class: Stella_Object
Returns the primary type of self. Gets defined automatically for every non-abstract subclass of OBJECT.

Overrides:
primaryType in class Stella_Object
Returns:
Surrogate