Package org.aksw.commons.index.core

Class StorageNodeAltN<D,C>

java.lang.Object

org.aksw.commons.index.core.StorageNodeBase<D,C,V>

org.aksw.commons.index.core.StorageNodeAltBase<D,C,Object[]>

org.aksw.commons.index.core.StorageNodeAltN<D,C>

Type Parameters:

D -

C -

All Implemented Interfaces:

StorageNode<D,C,Object[]>, StorageNodeMutable<D,C,Object[]>

public class StorageNodeAltN<D,C>
extends StorageNodeAltBase<D,C,Object[]>
implements StorageNodeMutable<D,C,Object[]>

Author:

Claus Stadler 11/09/2020

Field Summary

Fields

Modifier and Type	Field	Description
protected List<? extends StorageNodeMutable<D,C,?>>	children

Fields inherited from class org.aksw.commons.index.core.StorageNodeBase

tupleAccessor, tupleIdxs

Constructor Summary

Constructors

Constructor	Description
StorageNodeAltN(org.aksw.commons.tuple.TupleAccessor<D,C> tupleAccessor, List<? extends StorageNodeMutable<D,C,?>> children)

Method Summary

Modifier and Type	Method	Description
boolean	add(Object[] childStores, D tupleLike)
Object	chooseSubStore(Object[] store, int subStoreIdx)
void	clear(Object[] childStores)	Clear a store's content.
List<? extends StorageNode<D,C,?>>	getChildren()	Each node in the storage expression may have 0 or more children
boolean	isEmpty(Object[] childStores)	Checks whether all child store entries in the list of alternatives are empty (Not to be confused with checking the list of alternatives itself for emptiness)
Object[]	newStore()	Return of a list with fresh stores of all children
boolean	remove(Object[] childStores, D tupleLike)
<T> java.util.stream.Stream<?>	streamEntries(Object[] childStores, T tupleLike, org.aksw.commons.tuple.TupleAccessorCore<? super T,? extends C> tupleAccessor)	Stream all entries under equality constraints obtained from a tuple-like pattern
String	toString()

Methods inherited from class org.aksw.commons.index.core.StorageNodeAltBase

getKeyComponentRaw, isAltNode, streamerForKeyAndSubStoreAlts, streamerForKeys, streamerForKeysAsComponent, streamerForKeysAsTuples, streamerForValues

Methods inherited from class org.aksw.commons.index.core.StorageNodeBase

getKeyTupleIdxs, getTupleAccessor

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.aksw.commons.index.core.StorageNode

chooseSubStoreRaw, getKeyComponentRaw, getKeyTupleIdxs, getPublicDelegate, getStoreAsList, getStoreAsMap, getStoreAsSet, getTupleAccessor, holdsDomainTuples, isAltNode, isDelegate, isListNode, isMapNode, isSetNode, streamEntries, streamEntriesRaw, streamEntriesRaw, streamerForKeyAndSubStoreAlts, streamerForKeys, streamerForKeysAsComponent, streamerForKeysAsTuples, streamerForValues

Methods inherited from interface org.aksw.commons.index.core.StorageNodeMutable

addRaw, clearRaw, isEmptyRaw, removeRaw

Field Detail

children

protected List<? extends StorageNodeMutable<D,C,?>> children

Constructor Detail

StorageNodeAltN

public StorageNodeAltN(org.aksw.commons.tuple.TupleAccessor<D,C> tupleAccessor,
                       List<? extends StorageNodeMutable<D,C,?>> children)

Method Detail

getChildren

public List<? extends StorageNode<D,C,?>> getChildren()

Description copied from interface: StorageNode

Each node in the storage expression may have 0 or more children

Specified by:

getChildren in interface StorageNode<D,C,Object[]>

Returns:

streamEntries

public <T> java.util.stream.Stream<?> streamEntries(Object[] childStores,
                                                    T tupleLike,
                                                    org.aksw.commons.tuple.TupleAccessorCore<? super T,? extends C> tupleAccessor)

Description copied from interface: StorageNode

Stream all entries under equality constraints obtained from a tuple-like pattern

Specified by:

streamEntries in interface StorageNode<D,C,Object[]>

Returns:

newStore

public Object[] newStore()

Return of a list with fresh stores of all children

Specified by:

newStore in interface StorageNodeMutable<D,C,Object[]>

isEmpty

public boolean isEmpty(Object[] childStores)

Checks whether all child store entries in the list of alternatives are empty (Not to be confused with checking the list of alternatives itself for emptiness)

Specified by:

isEmpty in interface StorageNodeMutable<D,C,Object[]>

add

public boolean add(Object[] childStores,
                   D tupleLike)

Specified by:

add in interface StorageNodeMutable<D,C,Object[]>

remove

public boolean remove(Object[] childStores,
                      D tupleLike)

Specified by:

remove in interface StorageNodeMutable<D,C,Object[]>

clear

public void clear(Object[] childStores)

Description copied from interface: StorageNodeMutable

Clear a store's content. Cascades to any sub-stores.

Specified by:

clear in interface StorageNodeMutable<D,C,Object[]>

toString

public String toString()

Overrides:

toString in class Object

chooseSubStore

public Object chooseSubStore(Object[] store,
                             int subStoreIdx)

Specified by:

chooseSubStore in interface StorageNode<D,C,Object[]>