org.janusgraph.diskstorage.cql

Class CQLStoreManager

java.lang.Object

org.janusgraph.diskstorage.common.AbstractStoreManager

org.janusgraph.diskstorage.common.DistributedStoreManager

org.janusgraph.diskstorage.cql.CQLStoreManager

All Implemented Interfaces:

KeyColumnValueStoreManager, StoreManager

public class CQLStoreManager
extends DistributedStoreManager
implements KeyColumnValueStoreManager

This class creates see CQLKeyColumnValueStores and handles Cassandra-backed allocation of vertex IDs for JanusGraph (when so configured).

Nested Class Summary

Nested classes/interfaces inherited from class org.janusgraph.diskstorage.common.DistributedStoreManager

DistributedStoreManager.Deployment, DistributedStoreManager.MaskedTimestamp

Field Summary

Fields inherited from class org.janusgraph.diskstorage.common.DistributedStoreManager

connectionTimeoutMS, hostnames, pageSize, password, port, times, username

Fields inherited from class org.janusgraph.diskstorage.common.AbstractStoreManager

batchLoading, storageConfig, transactional

Constructor Summary

Constructors

Constructor and Description
CQLStoreManager(Configuration configuration) Constructor for the CQLStoreManager given a JanusGraph Configuration.

Method Summary

Modifier and Type	Method and Description
StoreTransaction	beginTransaction(BaseTransactionConfig config)
void	clearStorage()
void	close()
boolean	exists()
DistributedStoreManager.Deployment	getDeployment()
StoreFeatures	getFeatures()
List<KeyRange>	getLocalKeyPartition()
String	getName()
void	mutateMany(Map<String,Map<StaticBuffer,KCVMutation>> mutations, StoreTransaction txh)
KeyColumnValueStore	openDatabase(String name, StoreMetaData.Container metaData)

Methods inherited from class org.janusgraph.diskstorage.common.DistributedStoreManager

getPageSize, getSingleHostname, getTimestampProvider, hasAuthentication, sleepAfterWrite, toString

Methods inherited from class org.janusgraph.diskstorage.common.AbstractStoreManager

getMetaDataSchema, getStorageConfig

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.janusgraph.diskstorage.keycolumnvalue.KeyColumnValueStoreManager

openDatabase

Constructor Detail

CQLStoreManager

public CQLStoreManager(Configuration configuration)
                throws BackendException

Constructor for the CQLStoreManager given a JanusGraph Configuration.

Parameters:

configuration -

Throws:

BackendException

Method Detail

close

public void close()
           throws BackendException

Specified by:

close in interface StoreManager

Throws:

BackendException

getName

public String getName()

Specified by:

getName in interface StoreManager

getDeployment

public DistributedStoreManager.Deployment getDeployment()

Specified by:

getDeployment in class DistributedStoreManager

getFeatures

public StoreFeatures getFeatures()

Specified by:

getFeatures in interface StoreManager

openDatabase

public KeyColumnValueStore openDatabase(String name,
                                        StoreMetaData.Container metaData)
                                 throws BackendException

Specified by:

openDatabase in interface KeyColumnValueStoreManager

Throws:

BackendException

beginTransaction

public StoreTransaction beginTransaction(BaseTransactionConfig config)
                                  throws BackendException

Specified by:

beginTransaction in interface StoreManager

Throws:

BackendException

clearStorage

public void clearStorage()
                  throws BackendException

Specified by:

clearStorage in interface StoreManager

Throws:

BackendException

exists

public boolean exists()
               throws BackendException

Specified by:

exists in interface StoreManager

Throws:

BackendException

getLocalKeyPartition

public List<KeyRange> getLocalKeyPartition()
                                    throws BackendException

Specified by:

getLocalKeyPartition in interface StoreManager

Throws:

BackendException

mutateMany

public void mutateMany(Map<String,Map<StaticBuffer,KCVMutation>> mutations,
                       StoreTransaction txh)
                throws BackendException

Specified by:

mutateMany in interface KeyColumnValueStoreManager

Throws:

BackendException