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Summary: Ctors | Methods | Inherited Methods

BackendBusyException

public class BackendBusyException
extends ProviderException

java.lang.Object
↳	java.lang.Throwable
	↳	java.lang.Exception
		↳	java.lang.RuntimeException
			↳	java.security.ProviderException
				↳	android.security.keystore.BackendBusyException

Indicates a transient error that prevented a key operation from being created. Callers should try again with a back-off period of getBackOffHintMillis() milliseconds.

Summary

Public constructors
`BackendBusyException(long backOffHintMillis)` Constructs a new `BackendBusyException` without detail message and cause.
`BackendBusyException(long backOffHintMillis, String message)` Constructs a new `BackendBusyException` with the provided detail message and no cause.
`BackendBusyException(long backOffHintMillis, String message, Throwable cause)` Constructs a new `BackendBusyException` with the provided detail message and cause.

Public methods
`long`	`getBackOffHintMillis()` When retrying to start a Keystore operation after receiving this exception, this can be used to determine how long to wait before retrying.

Inherited methods

From class


        
          java.lang.Throwable

`final void`	`addSuppressed(Throwable exception)` Appends the specified exception to the exceptions that were suppressed in order to deliver this exception.
`Throwable`	`fillInStackTrace()` Fills in the execution stack trace.
`Throwable`	`getCause()` Returns the cause of this throwable or `null` if the cause is nonexistent or unknown.
`String`	`getLocalizedMessage()` Creates a localized description of this throwable.
`String`	`getMessage()` Returns the detail message string of this throwable.
`StackTraceElement[]`	`getStackTrace()` Provides programmatic access to the stack trace information printed by `printStackTrace()`.
`final Throwable[]`	`getSuppressed()` Returns an array containing all of the exceptions that were suppressed, typically by the `try`-with-resources statement, in order to deliver this exception.
`Throwable`	`initCause(Throwable cause)` Initializes the cause of this throwable to the specified value.
`void`	`printStackTrace()` Prints this throwable and its backtrace to the standard error stream.
`void`	`printStackTrace(PrintWriter s)` Prints this throwable and its backtrace to the specified print writer.
`void`	`printStackTrace(PrintStream s)` Prints this throwable and its backtrace to the specified print stream.
`void`	`setStackTrace(StackTraceElement[] stackTrace)` Sets the stack trace elements that will be returned by `getStackTrace()` and printed by `printStackTrace()` and related methods.
`String`	`toString()` Returns a short description of this throwable.

From class


        
          java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the object.
`final void`	`notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long timeout, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void`	`wait(long timeout)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void`	`wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

Public constructors

BackendBusyException

public BackendBusyException (long backOffHintMillis)

Constructs a new BackendBusyException without detail message and cause.

Parameters
`backOffHintMillis`	`long`: Value is a non-negative duration in milliseconds.

BackendBusyException

public BackendBusyException (long backOffHintMillis, 
                String message)

Constructs a new BackendBusyException with the provided detail message and no cause.

Parameters
`backOffHintMillis`	`long`: Value is a non-negative duration in milliseconds.
`message`	`String`: This value cannot be `null`.

BackendBusyException

public BackendBusyException (long backOffHintMillis, 
                String message, 
                Throwable cause)

Constructs a new BackendBusyException with the provided detail message and cause.

Parameters
`backOffHintMillis`	`long`: Value is a non-negative duration in milliseconds.
`message`	`String`: This value cannot be `null`.
`cause`	`Throwable`: This value cannot be `null`.

Public methods

getBackOffHintMillis

public long getBackOffHintMillis ()

When retrying to start a Keystore operation after receiving this exception, this can be used to determine how long to wait before retrying. It is not guaranteed that the operation will succeeds after this time. Multiple retries may be necessary if the system is congested.
Value is a non-negative duration in milliseconds.

Returns
`long`	Number of milliseconds to back off before retrying. Value is a non-negative duration in milliseconds.

Classes

Exceptions

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BackendBusyException

Summary

Public constructors

Public methods

Inherited methods

Public constructors

BackendBusyException

BackendBusyException

BackendBusyException

Public methods

getBackOffHintMillis