edu.isi.stella
Class KeyValueMap

java.lang.Object
  edu.isi.stella.Stella_Object
      edu.isi.stella.StandardObject
          edu.isi.stella.AbstractCollection
              edu.isi.stella.AbstractDictionary
                  edu.isi.stella.Dictionary
                      edu.isi.stella.KeyValueMap

Direct Known Subclasses:

HashSet

public class KeyValueMap
extends Dictionary

Full-featured dictionary class that supports eqlP or equalP equality tests, O(1) access operations even for large numbers of entries by using a hash table, light-weight KV-CONS representation for small tables and iteration even if the dictionary is represented by a hash table.

Field Summary

int	crossoverPoint
boolean	equalTestP If true use equalP as the equality test (and equalHashCode as the hash function), otherwise, use eqlP (and hashCode) (the default).
int	initialSize If supplied, the initial table will be sized to hold at least that many elements.
Stella_Object	theMap

Constructor Summary

KeyValueMap()

Method Summary

static Stella_Object	accessKeyValueMapSlotValue(KeyValueMap self, Symbol slotname, Stella_Object value, boolean setvalueP)
AbstractIterator	allocateIterator() Allocate an iterator for self.
void	clear() Reset self to have zero entries.
Cons	consify() Collect all entries of self into a cons list of _LkeyGLvalueG_ pairs and return the result.
KeyValueMap	copy() Return a copy of the map self.
boolean	emptyP() Return TRUE if self has zero entries.
int	equalHashCode() Return an equalP hash code for self.
void	insertAt(Stella_Object key, Stella_Object value) Set the value of the entry identified by key in self to value or add a new entry if no entry with key exists yet.
int	length() Return the number of entries in self.
Stella_Object	lookup(Stella_Object key) Lookup the entry identified by key in self and return its value, or NULL if no such entry exists.
static KeyValueMap	newKeyValueMap()
boolean	nonEmptyP() Return TRUE if self has at least 1 entry.
boolean	objectEqualP(Stella_Object y) Return TRUE if x and y represent the same set of key/value pairs.
Surrogate	primaryType() Returns the primary type of self.
void	removeAt(Stella_Object key) Remove the entry identified by key from self.

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, 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, objectHashCode, one, oneI, onlyIf, parametricTypeSpecifierP, parseArrayDimensionsSpec, parseTokenizerCharacterSpec, parseTokenizerStateModifiers, permanentCopy, permanentify, permanentifyForm, po, prettyPrintLiteral, primaryClass, printObject, 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

theMap

public Stella_Object theMap

equalTestP

public boolean equalTestP

If true use equalP as the equality test (and equalHashCode as the hash function), otherwise, use eqlP (and hashCode) (the default).

initialSize

public int initialSize

If supplied, the initial table will be sized to hold at least that many elements.

crossoverPoint

public int crossoverPoint

Constructor Detail

KeyValueMap

public KeyValueMap()

Method Detail

newKeyValueMap

public static KeyValueMap newKeyValueMap()

equalHashCode

public int equalHashCode()

Return an equalP hash code for self. Note that this is O(N) in the number of entries of self.

Overrides:

equalHashCode in class Stella_Object

Returns:

int

objectEqualP

public boolean objectEqualP(Stella_Object y)

Return TRUE if x and y represent the same set of key/value pairs.

Overrides:

objectEqualP in class Stella_Object

Parameters:

y -

Returns:

boolean

consify

public Cons consify()

Collect all entries of self into a cons list of _LkeyGLvalueG_ pairs and return the result.

Overrides:

consify in class Stella_Object

Returns:

Cons

allocateIterator

public AbstractIterator allocateIterator()

Allocate an iterator for self. The only modifying operations allowed during iteration are removal of the current element or changing its value. All other removal or insertion operations might lead to corruption or undefined results.

Overrides:

allocateIterator in class Dictionary

Returns:

AbstractIterator

clear

public void clear()

Reset self to have zero entries.

copy

public KeyValueMap copy()

Return a copy of the map self. All entries are freshly allocated, however, the keys and values of entries are not copied themselves (similar to what we do for lists, etc.).

Returns:

KeyValueMap

nonEmptyP

public boolean nonEmptyP()

Return TRUE if self has at least 1 entry.

Returns:

boolean

emptyP

public boolean emptyP()

Return TRUE if self has zero entries.

Returns:

boolean

length

public int length()

Return the number of entries in self.

Overrides:

length in class AbstractCollection

Returns:

int

removeAt

public void removeAt(Stella_Object key)

Remove the entry identified by key from self. Uses an eqlP test by default or equalP if equalTestP of self is TRUE.

Parameters:

key -

insertAt

public void insertAt(Stella_Object key,
                     Stella_Object value)

Set the value of the entry identified by key in self to value or add a new entry if no entry with key exists yet. Uses an eqlP test by default or equalP if equalTestP of self is TRUE.

Overrides:

insertAt in class Dictionary

Parameters:

key -

value -

lookup

public Stella_Object lookup(Stella_Object key)

Lookup the entry identified by key in self and return its value, or NULL if no such entry exists. Uses an eqlP test by default or equalP if equalTestP of self is TRUE.

Overrides:

lookup in class Dictionary

Parameters:

key -

Returns:

Stella_Object

accessKeyValueMapSlotValue

public static Stella_Object accessKeyValueMapSlotValue(KeyValueMap 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