net.ontopia.topicmaps.impl.basic.index
Class OccurrenceIndex

java.lang.Object
  net.ontopia.topicmaps.impl.utils.AbstractIndex
      net.ontopia.topicmaps.impl.utils.BasicIndex
          net.ontopia.topicmaps.impl.basic.index.OccurrenceIndex

All Implemented Interfaces:

IndexIF, OccurrenceIndexIF, EventListenerIF

public class OccurrenceIndex
extends BasicIndex
implements OccurrenceIndexIF

INTERNAL: The basic dynamic locator index implementation.

Nested Class Summary

Nested classes/interfaces inherited from class net.ontopia.topicmaps.impl.utils.BasicIndex

BasicIndex.EventHandler

Field Summary

protected CollectionSortedMap	occurs
protected static java.util.Comparator	STRING_PREFIX_COMPARATOR

Fields inherited from class net.ontopia.topicmaps.impl.utils.BasicIndex

handlers

Method Summary

java.util.Collection	getOccurrences(java.lang.String value) INTERNAL: Gets all occurrences that have the specified value independent of datatype.
java.util.Collection	getOccurrences(java.lang.String value, LocatorIF datatype) INTERNAL: Gets all occurrences that have the specified value and datatype.
java.util.Collection	getOccurrencesByPrefix(java.lang.String prefix) INTERNAL: Gets all occurrences of any datatype that have a value starting with the specified prefix.
java.util.Collection	getOccurrencesByPrefix(java.lang.String prefix, LocatorIF datatype) INTERNAL: Gets all occurrences that have the specifed datatype and a value starting with the specified prefix.
java.util.Iterator	getValuesGreaterThanOrEqual(java.lang.String value) INTERNAL: Gets all occurrence values that are greather than or equal to the given value.
java.util.Iterator	getValuesSmallerThanOrEqual(java.lang.String value) INTERNAL: Gets all occurrence values that are smaller than or equal to the given value.

Methods inherited from class net.ontopia.topicmaps.impl.utils.BasicIndex

getIndex, processEvent

Methods inherited from class java.lang.Object

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

Field Detail

occurs

protected CollectionSortedMap occurs

STRING_PREFIX_COMPARATOR

protected static final java.util.Comparator STRING_PREFIX_COMPARATOR

Method Detail

getOccurrences

public java.util.Collection getOccurrences(java.lang.String value)

Description copied from interface: OccurrenceIndexIF

INTERNAL: Gets all occurrences that have the specified value independent of datatype.

Specified by:

getOccurrences in interface OccurrenceIndexIF

Returns:

A collection of OccurrenceIF objects.

getOccurrences

public java.util.Collection getOccurrences(java.lang.String value,
                                           LocatorIF datatype)

Description copied from interface: OccurrenceIndexIF

INTERNAL: Gets all occurrences that have the specified value and datatype.

Specified by:

getOccurrences in interface OccurrenceIndexIF

Returns:

A collection of OccurrenceIF objects.

getOccurrencesByPrefix

public java.util.Collection getOccurrencesByPrefix(java.lang.String prefix)

Description copied from interface: OccurrenceIndexIF

INTERNAL: Gets all occurrences of any datatype that have a value starting with the specified prefix.

Specified by:

getOccurrencesByPrefix in interface OccurrenceIndexIF

Returns:

A collection of OccurrenceIF objects.

getOccurrencesByPrefix

public java.util.Collection getOccurrencesByPrefix(java.lang.String prefix,
                                                   LocatorIF datatype)

Description copied from interface: OccurrenceIndexIF

INTERNAL: Gets all occurrences that have the specifed datatype and a value starting with the specified prefix.

Specified by:

getOccurrencesByPrefix in interface OccurrenceIndexIF

Returns:

A collection of OccurrenceIF objects.

getValuesGreaterThanOrEqual

public java.util.Iterator getValuesGreaterThanOrEqual(java.lang.String value)

Description copied from interface: OccurrenceIndexIF

INTERNAL: Gets all occurrence values that are greather than or equal to the given value.

Specified by:

getValuesGreaterThanOrEqual in interface OccurrenceIndexIF

getValuesSmallerThanOrEqual

public java.util.Iterator getValuesSmallerThanOrEqual(java.lang.String value)

Description copied from interface: OccurrenceIndexIF

INTERNAL: Gets all occurrence values that are smaller than or equal to the given value.

Specified by:

getValuesSmallerThanOrEqual in interface OccurrenceIndexIF