org.apache.commons.pool2.impl

类 SecurityManagerCallStack

java.lang.Object

org.apache.commons.pool2.impl.SecurityManagerCallStack

所有已实现的接口:

CallStack

public class SecurityManagerCallStack
extends java.lang.Object
implements CallStack

CallStack strategy using a SecurityManager. Obtaining the current call stack is much faster via a SecurityManger, but access to the underlying method may be restricted by the current SecurityManager. In environments where a SecurityManager cannot be created, ThrowableCallStack should be used instead.

从以下版本开始:

2.4.3

另请参阅:

RuntimePermission, SecurityManager.getClassContext()

构造器概要

构造器

构造器和说明
SecurityManagerCallStack(java.lang.String messageFormat, boolean useTimestamp) Create a new instance.

方法概要

限定符和类型	方法和说明
void	clear() Clears the current stack trace snapshot.
void	fillInStackTrace() Takes a snapshot of the current call stack.
boolean	printStackTrace(java.io.PrintWriter writer) Prints the current stack trace if available to a PrintWriter.

从类继承的方法 java.lang.Object

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

构造器详细资料

SecurityManagerCallStack

public SecurityManagerCallStack(java.lang.String messageFormat,
                                boolean useTimestamp)

Create a new instance.

参数:

messageFormat - message format

useTimestamp - whether to format the dates in the output message or not

方法详细资料

clear

public void clear()

从接口复制的说明: CallStack

Clears the current stack trace snapshot. Subsequent calls to CallStack.printStackTrace(PrintWriter) will be no-ops until another call to CallStack.fillInStackTrace().

指定者:

clear 在接口中 CallStack

fillInStackTrace

public void fillInStackTrace()

从接口复制的说明: CallStack

Takes a snapshot of the current call stack. Subsequent calls to CallStack.printStackTrace(PrintWriter) will print out that stack trace until it is cleared.

指定者:

fillInStackTrace 在接口中 CallStack

printStackTrace

public boolean printStackTrace(java.io.PrintWriter writer)

从接口复制的说明: CallStack

Prints the current stack trace if available to a PrintWriter. The format is undefined and is primarily useful for debugging issues with PooledObject usage in user code.

指定者:

printStackTrace 在接口中 CallStack

参数:

writer - a PrintWriter to write the current stack trace to if available

返回:

true if a stack trace was available to print or false if nothing was printed