org.rocksdb

Class ThreadStatus

java.lang.Object

org.rocksdb.ThreadStatus

public class ThreadStatus
extends java.lang.Object

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.String	getCfName() The name of the Column Family that the thread is currently involved with.
java.lang.String	getDbName() The name of the DB instance that the thread is currently involved with.
long	getOperationElapsedTime() Get the elapsed time of the current thread operation in microseconds.
static java.lang.String	getOperationName(OperationType operationType) Get the name of an operation given its type.
long[]	getOperationProperties() Get the list of properties that describe some details about the current operation.
static java.lang.String	getOperationPropertyName(OperationType operationType, int i) Obtain the name of the "i"th operation property of the specified operation.
OperationStage	getOperationStage() Get the current stage where the thread is involved in the current operation.
static java.lang.String	getOperationStageName(OperationStage operationStage) Obtain a human-readable string describing the specified operation stage.
OperationType	getOperationType() Get the operation (high-level action) that the current thread is involved with.
static java.lang.String	getStateName(StateType stateType) Obtain the name of a state given its type.
StateType	getStateType() Get the state (lower-level action) that the current thread is involved with.
long	getThreadId() Get the unique ID of the thread.
ThreadType	getThreadType() Get the type of the thread.
static java.lang.String	getThreadTypeName(ThreadType threadType) Get the name of the thread type.
static java.util.Map<java.lang.String,java.lang.Long>	interpretOperationProperties(OperationType operationType, long[] operationProperties) Translate the "i"th property of the specified operation given a property value.
static java.lang.String	microsToString(long operationElapsedTime)

Methods inherited from class java.lang.Object

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

Method Detail

getThreadId

public long getThreadId()

Get the unique ID of the thread.

Returns:

the thread id

getThreadType

public ThreadType getThreadType()

Get the type of the thread.

Returns:

the type of the thread.

getDbName

public java.lang.String getDbName()

The name of the DB instance that the thread is currently involved with.

Returns:

the name of the db, or null if the thread is not involved in any DB operation.

getCfName

public java.lang.String getCfName()

The name of the Column Family that the thread is currently involved with.

Returns:

the name of the db, or null if the thread is not involved in any column Family operation.

getOperationType

public OperationType getOperationType()

Get the operation (high-level action) that the current thread is involved with.

Returns:

the operation

getOperationElapsedTime

public long getOperationElapsedTime()

Get the elapsed time of the current thread operation in microseconds.

Returns:

the elapsed time

getOperationStage

public OperationStage getOperationStage()

Get the current stage where the thread is involved in the current operation.

Returns:

the current stage of the current operation

getOperationProperties

public long[] getOperationProperties()

Get the list of properties that describe some details about the current operation. Each field in might have different meanings for different operations.

Returns:

the properties

getStateType

public StateType getStateType()

Get the state (lower-level action) that the current thread is involved with.

Returns:

the state

getThreadTypeName

public static java.lang.String getThreadTypeName(ThreadType threadType)

Get the name of the thread type.

Parameters:

threadType - the thread type

Returns:

the name of the thread type.

getOperationName

public static java.lang.String getOperationName(OperationType operationType)

Get the name of an operation given its type.

Parameters:

operationType - the type of operation.

Returns:

the name of the operation.

microsToString

public static java.lang.String microsToString(long operationElapsedTime)

getOperationStageName

public static java.lang.String getOperationStageName(OperationStage operationStage)

Obtain a human-readable string describing the specified operation stage.

Parameters:

operationStage - the stage of the operation.

Returns:

the description of the operation stage.

getOperationPropertyName

public static java.lang.String getOperationPropertyName(OperationType operationType,
                                        int i)

Obtain the name of the "i"th operation property of the specified operation.

Parameters:

operationType - the operation type.

i - the index of the operation property.

Returns:

the name of the operation property

interpretOperationProperties

public static java.util.Map<java.lang.String,java.lang.Long> interpretOperationProperties(OperationType operationType,
                                                                          long[] operationProperties)

Translate the "i"th property of the specified operation given a property value.

Parameters:

operationType - the operation type.

operationProperties - the operation properties.

Returns:

the property values.

getStateName

public static java.lang.String getStateName(StateType stateType)

Obtain the name of a state given its type.

Parameters:

stateType - the state type.

Returns:

the name of the state.