org.janusgraph.diskstorage

Class MultiWriteKeyColumnValueStoreTest

java.lang.Object

org.janusgraph.diskstorage.AbstractKCVSTest

org.janusgraph.diskstorage.MultiWriteKeyColumnValueStoreTest

public abstract class MultiWriteKeyColumnValueStoreTest
extends AbstractKCVSTest

Field Summary

Fields

Modifier and Type	Field and Description
KeyColumnValueStoreManager	manager
protected String	storeName1
protected String	storeName2
StoreTransaction	tx

Fields inherited from class org.janusgraph.diskstorage.AbstractKCVSTest

times

Constructor Summary

Constructors

Constructor and Description
MultiWriteKeyColumnValueStoreTest()

Method Summary

Modifier and Type	Method and Description
void	applyChanges(Map<StaticBuffer,KCVEntryMutation> changes, KCVSCache store, StoreTransaction tx)
int	checkThatDeletionsApplied(Map<StaticBuffer,KCVEntryMutation> changes, KeyColumnValueStore store, int round)
int	checkThatStateExistsInStore(Map<StaticBuffer,Map<StaticBuffer,StaticBuffer>> state, KeyColumnValueStore store, int round)
void	clopen()
void	close()
void	deletionsAppliedBeforeAdditions()
void	mutateManyStressTest()
protected void	mutateManyStressTestWithVariableRounds()
void	mutateManyWritesSameKeyOnMultipleCFs()
Map<StaticBuffer,KCVEntryMutation>	mutateState(Map<StaticBuffer,Map<StaticBuffer,StaticBuffer>> state, int maxDeletionCount, int additionCount) Change the supplied state with a pseudorandom number generator.
void	newTx()
void	open()
abstract KeyColumnValueStoreManager	openStorageManager()
void	setUp()
void	tearDown()

Methods inherited from class org.janusgraph.diskstorage.AbstractKCVSTest

getConsistentTxConfig, getTxConfig

Methods inherited from class java.lang.Object

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

Field Detail

storeName1

protected final String storeName1

See Also:

Constant Field Values

storeName2

protected final String storeName2

See Also:

Constant Field Values

manager

public KeyColumnValueStoreManager manager

tx

public StoreTransaction tx

Constructor Detail

MultiWriteKeyColumnValueStoreTest

public MultiWriteKeyColumnValueStoreTest()

Method Detail

setUp

@BeforeEach
public void setUp()
                       throws Exception

Throws:

Exception

tearDown

@AfterEach
public void tearDown()
                         throws Exception

Throws:

Exception

openStorageManager

public abstract KeyColumnValueStoreManager openStorageManager()
                                                       throws BackendException

Throws:

BackendException

open

public void open()
          throws BackendException

Throws:

BackendException

close

public void close()
           throws BackendException

Throws:

BackendException

clopen

public void clopen()
            throws BackendException

Throws:

BackendException

newTx

public void newTx()
           throws BackendException

Throws:

BackendException

deletionsAppliedBeforeAdditions

@Test
public void deletionsAppliedBeforeAdditions()
                                           throws BackendException

Throws:

BackendException

mutateManyWritesSameKeyOnMultipleCFs

@Test
public void mutateManyWritesSameKeyOnMultipleCFs()
                                                throws BackendException

Throws:

BackendException

mutateManyStressTest

@Test
public void mutateManyStressTest()
                                throws BackendException

Throws:

BackendException

mutateManyStressTestWithVariableRounds

protected void mutateManyStressTestWithVariableRounds()
                                               throws BackendException

Throws:

BackendException

applyChanges

public void applyChanges(Map<StaticBuffer,KCVEntryMutation> changes,
                         KCVSCache store,
                         StoreTransaction tx)
                  throws BackendException

Throws:

BackendException

checkThatStateExistsInStore

public int checkThatStateExistsInStore(Map<StaticBuffer,Map<StaticBuffer,StaticBuffer>> state,
                                       KeyColumnValueStore store,
                                       int round)
                                throws BackendException

Throws:

BackendException

checkThatDeletionsApplied

public int checkThatDeletionsApplied(Map<StaticBuffer,KCVEntryMutation> changes,
                                     KeyColumnValueStore store,
                                     int round)
                              throws BackendException

Throws:

BackendException

mutateState

public Map<StaticBuffer,KCVEntryMutation> mutateState(Map<StaticBuffer,Map<StaticBuffer,StaticBuffer>> state,
                                                      int maxDeletionCount,
                                                      int additionCount)

Change the supplied state with a pseudorandom number generator.

This method removes min(maxDeletionCount, S) entries from the maps in state.values(), where S is the sum of the sizes of the maps in state.values(); this method then adds additionCount pseudorandom entries spread across state.values(), potentially adding new keys to state since they are randomly generated. This method then returns a map of keys to Mutations representing the changes it has made to state.

Parameters:

state - Maps keys -> columns -> values

maxDeletionCount - Remove at most this many entries from state

additionCount - Add exactly this many entries to state

Returns:

A KCVMutation map