Package org.sensorhub.api.datastore.resource

Interface IResourceStore<K extends Comparable<? super K>,V extends IResource,VF extends IResourceStore.ResourceField,F extends ResourceFilter<? super V>>

Type Parameters:

K - Key type

V - Resource type

VF - Resource value field enum type

F - Resource filter type

All Superinterfaces:

IDataStore<K,V,VF,F>, Map<K,V>

All Known Subinterfaces:

ICommandStreamStore, IDataStreamStore, IDeploymentStore, IFeatureStore, IFeatureStoreBase<V,VF,F>, IFoiStore, IProcedureStore, IPropertyStore, ISystemDescStore

All Known Implementing Classes:

EmptyCommandStreamStore, EmptyDataStreamStore, EmptyDeploymentStore, EmptyFeatureBaseStore, EmptyFoiStore, EmptyProcedureStore, EmptyPropertyStore, EmptyResourceStore, EmptySystemStore

public interface IResourceStore<K extends Comparable<? super K>,V extends IResource,VF extends IResourceStore.ResourceField,F extends ResourceFilter<? super V>>
extends IDataStore<K,V,VF,F>

Generic interface for all resource stores

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static class	IResourceStore.ResourceField

Nested classes/interfaces inherited from interface java.util.Map

Map.Entry<K extends Object,V extends Object>

Method Summary

Modifier and Type	Method	Description
K	add(V value)	Add a new resource to the store, generating a new key for it
ResourceFilter.ResourceFilterBuilder<?,?,F>	filterBuilder()
default F	selectAllFilter()

Methods inherited from interface org.sensorhub.api.datastore.IDataStore

backup, commit, containsKey, containsValue, countMatchingEntries, entrySet, getDatastoreName, getNumRecords, isEmpty, isReadOnly, keySet, putAll, removeEntries, restore, select, select, select, selectEntries, selectEntries, selectEntries, selectKeys, size, values

Methods inherited from interface java.util.Map

clear, compute, computeIfAbsent, computeIfPresent, equals, forEach, get, getOrDefault, hashCode, merge, put, putIfAbsent, remove, remove, replace, replace, replaceAll

Method Details

add

K add(V value)
throws DataStoreException

Add a new resource to the store, generating a new key for it

Parameters:

value - New resource object

Returns:

The newly allocated key (internal ID)

Throws:

DataStoreException - if the resource already exists

filterBuilder

ResourceFilter.ResourceFilterBuilder<?,?,F> filterBuilder()

Returns:

A builder for a filter compatible with this datastore

selectAllFilter

default F selectAllFilter()

Specified by:

selectAllFilter in interface IDataStore<K extends Comparable<? super K>,V extends IResource,VF extends IResourceStore.ResourceField,F extends ResourceFilter<? super V>>

Returns:

The filter to use to select all records