Package org.sensorhub.api.datastore.command

Class EmptyCommandStore

java.lang.Object

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

org.sensorhub.impl.datastore.EmptyDataStore<BigId,ICommandData,ICommandStore.CommandField,CommandFilter>

org.sensorhub.api.datastore.command.EmptyCommandStore

All Implemented Interfaces:

Map<BigId,ICommandData>, ICommandStore, IDataStore<BigId,ICommandData,ICommandStore.CommandField,CommandFilter>

public class EmptyCommandStore
extends org.sensorhub.impl.datastore.EmptyDataStore<BigId,ICommandData,ICommandStore.CommandField,CommandFilter>
implements ICommandStore

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.command.ICommandStore

ICommandStore.CommandField

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
EmptyCommandStore()

Method Summary

Modifier and Type	Method	Description
BigId	add(ICommandData cmd)	Add a command to the datastore
ICommandStreamStore	getCommandStreams()
Stream<CommandStats>	getStatistics(CommandStatsQuery query)	Select statistics for commands matching the query
ICommandStatusStore	getStatusReports()
void	linkTo(IFoiStore foiStore)	Link this store to a feature of interest store to enable JOIN queries

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.command.ICommandStore

filterBuilder, 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

Constructor Details

EmptyCommandStore

public EmptyCommandStore()

Method Details

add

public BigId add(ICommandData cmd)

Description copied from interface: ICommandStore

Add a command to the datastore

Specified by:

add in interface ICommandStore

Returns:

The auto-generated ID

getCommandStreams

public ICommandStreamStore getCommandStreams()

Specified by:

getCommandStreams in interface ICommandStore

Returns:

Associated command streams store

getStatusReports

public ICommandStatusStore getStatusReports()

Specified by:

getStatusReports in interface ICommandStore

Returns:

Associated command status store

getStatistics

public Stream<CommandStats> getStatistics(CommandStatsQuery query)

Description copied from interface: ICommandStore

Select statistics for commands matching the query

Specified by:

getStatistics in interface ICommandStore

Parameters:

query - filter to select desired systems and time range

Returns:

stream of statistics buckets. Each item represents statistics for commands recorded for a given system

linkTo

public void linkTo(IFoiStore foiStore)

Description copied from interface: ICommandStore

Link this store to a feature of interest store to enable JOIN queries

Specified by:

linkTo in interface ICommandStore