de.lmu.ifi.dbs.elki.database.relation

Class ConvertToStringView

java.lang.Object

de.lmu.ifi.dbs.elki.result.AbstractHierarchicalResult

de.lmu.ifi.dbs.elki.database.relation.AbstractRelation<String>

de.lmu.ifi.dbs.elki.database.relation.ConvertToStringView

All Implemented Interfaces:

DatabaseQuery, Relation<String>, HierarchicalResult, Result

public class ConvertToStringView
extends AbstractRelation<String>

Representation adapter that uses toString() to produce a string representation.

Author:

Erich Schubert

Field Summary

Fields

Modifier and Type	Field and Description
(package private) Relation<?>	existing The database we use
private static Logging	LOG Class logger

Fields inherited from interface de.lmu.ifi.dbs.elki.database.query.DatabaseQuery

HINT_BULK, HINT_EXACT, HINT_HEAVY_USE, HINT_NO_CACHE, HINT_OPTIMIZED_ONLY, HINT_SINGLE

Constructor Summary

Constructors

Constructor and Description
ConvertToStringView(Relation<?> existing) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
String	get(DBIDRef id) Get the representation of an object.
SimpleTypeInformation<String>	getDataTypeInformation() Get the data type of this representation
DBIDs	getDBIDs() Get the IDs the query is defined for.
protected Logging	getLogger() Get the class logger.
String	getLongName() A "pretty" name for the result, for use in titles, captions and menus.
String	getShortName() A short name for the result, useful for file names.
DBIDIter	iterDBIDs() Get an iterator access to the DBIDs.
int	size() Get the number of DBIDs.

Methods inherited from class de.lmu.ifi.dbs.elki.database.relation.AbstractRelation

getDistanceQuery, getKNNQuery, getKNNQuery, getRangeQuery, getRangeQuery, getRKNNQuery, getRKNNQuery, getSimilarityQuery

Methods inherited from class de.lmu.ifi.dbs.elki.result.AbstractHierarchicalResult

addChildResult, getHierarchy, setHierarchy

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.lmu.ifi.dbs.elki.result.HierarchicalResult

getHierarchy, setHierarchy

Field Detail

LOG

private static final Logging LOG

Class logger

existing

final Relation<?> existing

The database we use

Constructor Detail

ConvertToStringView

public ConvertToStringView(Relation<?> existing)

Constructor.

Parameters:

existing - Existing representation

Method Detail

get

public String get(DBIDRef id)

Description copied from interface: Relation

Get the representation of an object.

Parameters:

id - Object ID

Returns:

object instance

getDBIDs

public DBIDs getDBIDs()

Description copied from interface: Relation

Get the IDs the query is defined for. If possible, prefer Relation.iterDBIDs().

Returns:

IDs this is defined for

iterDBIDs

public DBIDIter iterDBIDs()

Description copied from interface: Relation

Get an iterator access to the DBIDs. To iterate over all IDs, use the following code fragment:

 for(DBIDIter iter = relation.iterDBIDs(); iter.valid(); iter.advance()) {
    relation.get(iter); // Get the current element
 }
 
 

Returns:

iterator for the DBIDs.

size

public int size()

Description copied from interface: Relation

Get the number of DBIDs.

Returns:

Size

getDataTypeInformation

public SimpleTypeInformation<String> getDataTypeInformation()

Description copied from interface: Relation

Get the data type of this representation

Returns:

Data type

getLongName

public String getLongName()

Description copied from interface: Result

A "pretty" name for the result, for use in titles, captions and menus.

Returns:

result name

getShortName

public String getShortName()

Description copied from interface: Result

A short name for the result, useful for file names.

Returns:

result name

getLogger

protected Logging getLogger()

Description copied from class: AbstractRelation

Get the class logger.

Specified by:

getLogger in class AbstractRelation<String>

Returns:

Logger