org.apache.iotdb.db.utils

类 CommonUtils

java.lang.Object

org.apache.iotdb.db.utils.CommonUtils

public class CommonUtils
extends Object

字段概要

字段

限定符和类型	字段和说明
static int	MAX_EXECUTOR_POOL_SIZE Default executor pool maximum size.

方法概要

限定符和类型	方法和说明
static int	getCpuCores()
static int	getJdkVersion() get JDK version.
static int	getMaxExecutorPoolSize()
static long	getOccupiedSpace(String folderPath)
static long	getUsableSpace(String dir) NOTICE: This method is currently used only for data dir, thus using FSFactory to get file
static boolean	hasSpace(String dir)
static Object	parseValue(TSDataType dataType, String value)
static Object	parseValueForTest(TSDataType dataType, String value)
static int	runCli(List<Class<? extends Runnable>> commands, String[] args, String cliName, String cliDescription)

从类继承的方法 java.lang.Object

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

字段详细资料

MAX_EXECUTOR_POOL_SIZE

public static final int MAX_EXECUTOR_POOL_SIZE

Default executor pool maximum size.

方法详细资料

getJdkVersion

public static int getJdkVersion()

get JDK version.

返回:

JDK version (int type)

getUsableSpace

public static long getUsableSpace(String dir)

NOTICE: This method is currently used only for data dir, thus using FSFactory to get file

参数:

dir - directory path

返回:

hasSpace

public static boolean hasSpace(String dir)

getOccupiedSpace

public static long getOccupiedSpace(String folderPath)
                             throws IOException

抛出:

IOException

parseValue

public static Object parseValue(TSDataType dataType,
                                String value)
                         throws QueryProcessException

抛出:

QueryProcessException

parseValueForTest

public static Object parseValueForTest(TSDataType dataType,
                                       String value)
                                throws QueryProcessException

抛出:

QueryProcessException

getCpuCores

public static int getCpuCores()

getMaxExecutorPoolSize

public static int getMaxExecutorPoolSize()

runCli

public static int runCli(List<Class<? extends Runnable>> commands,
                         String[] args,
                         String cliName,
                         String cliDescription)