com.alibaba.csp.sentinel.slots.block.flow.param

Class ParamFlowException

java.lang.Object

java.lang.Throwable

java.lang.Exception

com.alibaba.csp.sentinel.slots.block.BlockException

com.alibaba.csp.sentinel.slots.block.flow.param.ParamFlowException

All Implemented Interfaces:

Serializable

public class ParamFlowException
extends BlockException

Block exception for frequent ("hot-spot") parameter flow control.

Since:

0.2.0

Author:

jialiang.linjl

See Also:

Serialized Form

Field Summary

Fields inherited from class com.alibaba.csp.sentinel.slots.block.BlockException

BLOCK_EXCEPTION_FLAG, BLOCK_EXCEPTION_MSG_PREFIX, rule, sentinelStackTrace, THROW_OUT_EXCEPTION

Constructor Summary

Constructors

Constructor and Description
ParamFlowException(String resourceName, String param)
ParamFlowException(String resourceName, String param, ParamFlowRule rule)
ParamFlowException(String resourceName, String message, Throwable cause)

Method Summary

Modifier and Type	Method and Description
Throwable	fillInStackTrace()
String	getLimitParam() Get the parameter value that triggered the parameter flow control.
String	getResourceName()
ParamFlowRule	getRule() Get triggered rule.

Methods inherited from class com.alibaba.csp.sentinel.slots.block.BlockException

getRuleLimitApp, isBlockException, setRuleLimitApp, toRuntimeException

Methods inherited from class java.lang.Throwable

addSuppressed, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

ParamFlowException

public ParamFlowException(String resourceName,
                          String message,
                          Throwable cause)

ParamFlowException

public ParamFlowException(String resourceName,
                          String param)

ParamFlowException

public ParamFlowException(String resourceName,
                          String param,
                          ParamFlowRule rule)

Method Detail

getResourceName

public String getResourceName()

fillInStackTrace

public Throwable fillInStackTrace()

Overrides:

fillInStackTrace in class BlockException

getLimitParam

public String getLimitParam()

Get the parameter value that triggered the parameter flow control.

Returns:

the parameter value

Since:

1.4.2

getRule

public ParamFlowRule getRule()

Get triggered rule. Note: the rule result is a reference to rule map and SHOULD NOT be modified.

Overrides:

getRule in class BlockException

Returns:

triggered rule

Since:

1.4.2