Package org.sensorhub.api.datastore.obs

Class EmptyDataStreamStore

java.lang.Object

org.sensorhub.impl.datastore.ReadOnlyDataStore<K,V,VF,Q>

org.sensorhub.impl.datastore.EmptyDataStore<K,V,VF,F>

org.sensorhub.api.datastore.resource.EmptyResourceStore<DataStreamKey,IDataStreamInfo,IDataStreamStore.DataStreamInfoField,DataStreamFilter>

org.sensorhub.api.datastore.obs.EmptyDataStreamStore

All Implemented Interfaces:

Map<DataStreamKey,IDataStreamInfo>, IDataStore<DataStreamKey,IDataStreamInfo,IDataStreamStore.DataStreamInfoField,DataStreamFilter>, IDataStreamStore, IResourceStore<DataStreamKey,IDataStreamInfo,IDataStreamStore.DataStreamInfoField,DataStreamFilter>

public class EmptyDataStreamStore
extends EmptyResourceStore<DataStreamKey,IDataStreamInfo,IDataStreamStore.DataStreamInfoField,DataStreamFilter>
implements IDataStreamStore

Helper class to implement databases that don't support all datastores

Since:

Jun 22, 2023

Nested Class Summary

Nested classes/interfaces inherited from interface org.sensorhub.api.datastore.obs.IDataStreamStore

IDataStreamStore.DataStreamInfoField

Nested classes/interfaces inherited from interface org.sensorhub.api.datastore.resource.IResourceStore

IResourceStore.ResourceField

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

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

Field Summary

Fields inherited from class org.sensorhub.impl.datastore.ReadOnlyDataStore

READ_ONLY_ERROR_MSG

Constructor Summary

Constructors

Constructor	Description
EmptyDataStreamStore()

Method Summary

Modifier and Type	Method	Description
void	linkTo(ISystemDescStore systemStore)	Link this store to a system store to enable JOIN queries

Methods inherited from class org.sensorhub.api.datastore.resource.EmptyResourceStore

add

Methods inherited from class org.sensorhub.impl.datastore.EmptyDataStore

get, getDatastoreName, selectEntries

Methods inherited from class org.sensorhub.impl.datastore.ReadOnlyDataStore

backup, clear, commit, isReadOnly, isReadSupported, isWriteSupported, put, remove, restore

Methods inherited from class java.lang.Object

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

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 org.sensorhub.api.datastore.obs.IDataStreamStore

add, filterBuilder, getLatestVersion, getLatestVersionEntry, getLatestVersionKey, remove, removeAllVersions

Methods inherited from interface org.sensorhub.api.datastore.resource.IResourceStore

selectAllFilter

Methods inherited from interface java.util.Map

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

Constructor Details

EmptyDataStreamStore

public EmptyDataStreamStore()

Method Details

linkTo

public void linkTo(ISystemDescStore systemStore)

Description copied from interface: IDataStreamStore

Link this store to a system store to enable JOIN queries

Specified by:

linkTo in interface IDataStreamStore