com.alibaba.csp.sentinel.config

Class SentinelConfig

java.lang.Object

com.alibaba.csp.sentinel.config.SentinelConfig

public final class SentinelConfig
extends Object

The universal local configuration center of Sentinel. The config is retrieved from command line arguments and customized properties file by default.

Author:

leyou, Eric Zhao, Lin Liang

Field Summary

Fields

Modifier and Type	Field and Description
static String	APP_NAME_PROP_KEY
static int	APP_TYPE_COMMON The default application type.
static String	APP_TYPE_PROP_KEY
static String	CHARSET
static String	COLD_FACTOR
static String	DEFAULT_CHARSET
static int	DEFAULT_COLD_FACTOR
static long	DEFAULT_METRIC_FLUSH_INTERVAL
static long	DEFAULT_SINGLE_METRIC_FILE_SIZE
static int	DEFAULT_STATISTIC_MAX_RT
static int	DEFAULT_TOTAL_METRIC_FILE_COUNT
static String	METRIC_FLUSH_INTERVAL
static String	PROJECT_NAME_PROP_KEY
static String	SINGLE_METRIC_FILE_SIZE
static String	SPI_CLASSLOADER
static String	STATISTIC_MAX_RT
static String	TOTAL_METRIC_FILE_COUNT

Method Summary

Modifier and Type	Method and Description
static String	charset()
static int	coldFactor()
static String	getAppName()
static int	getAppType() Get application type.
static String	getConfig(String key) Get config value of the specific key.
static String	getConfig(String key, boolean envVariableKey) Get config value of the specific key.
static long	metricLogFlushIntervalSec() Get the metric log flush interval in second
static String	removeConfig(String key)
static void	setConfig(String key, String value)
static void	setConfigIfAbsent(String key, String value)
static boolean	shouldUseContextClassloader() Whether use context classloader via config parameter
static long	singleMetricFileSize()
static int	statisticMaxRt() Get the max RT value that Sentinel could accept for system BBR strategy.
static int	totalMetricFileCount()

Methods inherited from class java.lang.Object

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

Field Detail

APP_TYPE_COMMON

public static final int APP_TYPE_COMMON

The default application type.

Since:

1.6.0

See Also:

Constant Field Values

PROJECT_NAME_PROP_KEY

public static final String PROJECT_NAME_PROP_KEY

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Constant Field Values

APP_NAME_PROP_KEY

public static final String APP_NAME_PROP_KEY

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Constant Field Values

APP_TYPE_PROP_KEY

public static final String APP_TYPE_PROP_KEY

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Constant Field Values

CHARSET

public static final String CHARSET

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Constant Field Values

SINGLE_METRIC_FILE_SIZE

public static final String SINGLE_METRIC_FILE_SIZE

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Constant Field Values

TOTAL_METRIC_FILE_COUNT

public static final String TOTAL_METRIC_FILE_COUNT

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Constant Field Values

COLD_FACTOR

public static final String COLD_FACTOR

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Constant Field Values

STATISTIC_MAX_RT

public static final String STATISTIC_MAX_RT

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Constant Field Values

SPI_CLASSLOADER

public static final String SPI_CLASSLOADER

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Constant Field Values

METRIC_FLUSH_INTERVAL

public static final String METRIC_FLUSH_INTERVAL

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Constant Field Values

DEFAULT_CHARSET

public static final String DEFAULT_CHARSET

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Constant Field Values

DEFAULT_SINGLE_METRIC_FILE_SIZE

public static final long DEFAULT_SINGLE_METRIC_FILE_SIZE

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Constant Field Values

DEFAULT_TOTAL_METRIC_FILE_COUNT

public static final int DEFAULT_TOTAL_METRIC_FILE_COUNT

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Constant Field Values

DEFAULT_COLD_FACTOR

public static final int DEFAULT_COLD_FACTOR

See Also:

Constant Field Values

DEFAULT_STATISTIC_MAX_RT

public static final int DEFAULT_STATISTIC_MAX_RT

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Constant Field Values

DEFAULT_METRIC_FLUSH_INTERVAL

public static final long DEFAULT_METRIC_FLUSH_INTERVAL

See Also:

Constant Field Values

Method Detail

getConfig

public static String getConfig(String key)

Get config value of the specific key.

Parameters:

key - config key

Returns:

the config value.

getConfig

public static String getConfig(String key,
                               boolean envVariableKey)

Get config value of the specific key.

Parameters:

key - config key

envVariableKey - Get the value of the environment variable with the given key

Returns:

the config value.

setConfig

public static void setConfig(String key,
                             String value)

removeConfig

public static String removeConfig(String key)

setConfigIfAbsent

public static void setConfigIfAbsent(String key,
                                     String value)

getAppName

public static String getAppName()

getAppType

public static int getAppType()

Get application type.

Returns:

application type, common (0) by default

Since:

1.6.0

charset

public static String charset()

metricLogFlushIntervalSec

public static long metricLogFlushIntervalSec()

Get the metric log flush interval in second

Returns:

the metric log flush interval in second

Since:

1.8.1

singleMetricFileSize

public static long singleMetricFileSize()

totalMetricFileCount

public static int totalMetricFileCount()

coldFactor

public static int coldFactor()

statisticMaxRt

public static int statisticMaxRt()

Get the max RT value that Sentinel could accept for system BBR strategy.

Returns:

the max allowed RT value

Since:

1.4.1

shouldUseContextClassloader

public static boolean shouldUseContextClassloader()

Whether use context classloader via config parameter

Returns:

Whether use context classloader