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

java.lang.Object
  net.ontopia.topicmaps.impl.utils.AbstractIndex
      net.ontopia.topicmaps.impl.rdbms.index.RDBMSIndex
          net.ontopia.topicmaps.impl.rdbms.index.OccurrenceIndex

All Implemented Interfaces:

IndexIF, OccurrenceIndexIF

public class OccurrenceIndex
extends RDBMSIndex
implements OccurrenceIndexIF

INTERNAL: The rdbms occurrence index implementation.

Method Summary

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

executeQuery, getIndex

Methods inherited from class java.lang.Object

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

Method Detail

getOccurrences

public Collection<OccurrenceIF> getOccurrences(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 Collection<OccurrenceIF> getOccurrences(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 Collection<OccurrenceIF> getOccurrencesByPrefix(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 Collection<OccurrenceIF> getOccurrencesByPrefix(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 Iterator<String> getValuesGreaterThanOrEqual(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 Iterator<String> getValuesSmallerThanOrEqual(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