Package de.bwaldvogel.mongo.backend

Class Index<P>

java.lang.Object

de.bwaldvogel.mongo.backend.Index<P>

Direct Known Subclasses:

AbstractUniqueIndex, EmptyIndex

public abstract class Index<P>
extends Object

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	Index(String name, List<IndexKey> keys, boolean sparse)

Method Summary

Modifier and Type	Method	Description
abstract void	add(Document document, P position, MongoCollection<P> collection)
abstract boolean	canHandle(Document query)
abstract void	checkAdd(Document document, MongoCollection<P> collection)
abstract void	checkUpdate(Document oldDocument, Document newDocument, MongoCollection<P> collection)
abstract void	drop()
abstract long	getCount()
abstract long	getDataSize()
List<IndexKey>	getKeys()
Set<KeyValue>	getKeyValues(Document document)
String	getName()
abstract P	getPosition(Document document)
abstract Iterable<P>	getPositions(Document query)
boolean	hasSameOptions(Index<?> other)
protected boolean	isCompoundIndex()
boolean	isEmpty()
protected boolean	isSparse()
protected List<String>	keys()
protected Set<String>	keySet()
protected boolean	nullAwareEqualsKeys(Document oldDocument, Document newDocument)
abstract P	remove(Document document)
String	toString()
abstract void	updateInPlace(Document oldDocument, Document newDocument, P position, MongoCollection<P> collection)

Methods inherited from class java.lang.Object

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

Constructor Details

Index

protected Index(String name,
 List<IndexKey> keys,
 boolean sparse)

Method Details

isSparse

protected boolean isSparse()

getKeys

public List<IndexKey> getKeys()

hasSameOptions

public boolean hasSameOptions(Index<?> other)

getName

public String getName()

keys

protected List<String> keys()

keySet

protected Set<String> keySet()

getKeyValues

public Set<KeyValue> getKeyValues(Document document)

getPosition

public abstract P getPosition(Document document)

checkAdd

public abstract void checkAdd(Document document,
 MongoCollection<P> collection)

add

public abstract void add(Document document,
 P position,
 MongoCollection<P> collection)

remove

public abstract P remove(Document document)

canHandle

public abstract boolean canHandle(Document query)

getPositions

public abstract Iterable<P> getPositions(Document query)

getCount

public abstract long getCount()

isEmpty

public boolean isEmpty()

getDataSize

public abstract long getDataSize()

checkUpdate

public abstract void checkUpdate(Document oldDocument,
 Document newDocument,
 MongoCollection<P> collection)

updateInPlace

public abstract void updateInPlace(Document oldDocument,
 Document newDocument,
 P position,
 MongoCollection<P> collection)
                            throws KeyConstraintError

Throws:

KeyConstraintError

isCompoundIndex

protected boolean isCompoundIndex()

nullAwareEqualsKeys

protected boolean nullAwareEqualsKeys(Document oldDocument,
 Document newDocument)

drop

public abstract void drop()

toString

public String toString()

Overrides:

toString in class Object