OFWriteFailedException Class Reference

An exception indicating that writing to an object failed. More...

#include <ObjFW/ObjFW.h>

Inheritance diagram for OFWriteFailedException:

Instance Methods
(instancetype)	- initWithObject:requestedLength:bytesWritten:errNo:
	Initializes an already allocated write failed exception.
(instancetype)	- initWithObject:requestedLength:errNo:
	Initializes an already allocated read or write failed exception.
Instance Methods inherited from OFReadOrWriteFailedException
Instance Methods inherited from OFException
(OFString *)	- description
	Returns a description of the exception.
(nullable OFArray *)	- stackTraceAddresses
	Returns a stack trace of when the exception was created or nil if no stack trace is available. The returned array contains OFValues with OFValue::pointerValue set to the address.
(nullable OFArray *)	- stackTraceSymbols
	Returns a stack trace of when the exception was created or nil if no stack trace symbols are available.
Instance Methods inherited from OFObject
(instancetype)	- init
	Initializes an already allocated object.
(nullable OFMethodSignature *)	- methodSignatureForSelector:
	Returns the method signature for the specified selector.
(void)	- dealloc
	Deallocates the object.
(void)	- performSelector:afterDelay:
	Performs the specified selector after the specified delay.
(void)	- performSelector:withObject:afterDelay:
	Performs the specified selector with the specified object after the specified delay.
(void)	- performSelector:withObject:withObject:afterDelay:
	Performs the specified selector with the specified objects after the specified delay.
(void)	- performSelector:withObject:withObject:withObject:afterDelay:
	Performs the specified selector with the specified objects after the specified delay.
(void)	- performSelector:withObject:withObject:withObject:withObject:afterDelay:
	Performs the specified selector with the specified objects after the specified delay.
(void)	- performSelector:onThread:waitUntilDone:
	Performs the specified selector on the specified thread.
(void)	- performSelector:onThread:withObject:waitUntilDone:
	Performs the specified selector on the specified thread with the specified object.
(void)	- performSelector:onThread:withObject:withObject:waitUntilDone:
	Performs the specified selector on the specified thread with the specified objects.
(void)	- performSelector:onThread:withObject:withObject:withObject:waitUntilDone:
	Performs the specified selector on the specified thread with the specified objects.
(void)	- performSelector:onThread:withObject:withObject:withObject:withObject:waitUntilDone:
	Performs the specified selector on the specified thread with the specified objects.
(void)	- performSelectorOnMainThread:waitUntilDone:
	Performs the specified selector on the main thread.
(void)	- performSelectorOnMainThread:withObject:waitUntilDone:
	Performs the specified selector on the main thread with the specified object.
(void)	- performSelectorOnMainThread:withObject:withObject:waitUntilDone:
	Performs the specified selector on the main thread with the specified objects.
(void)	- performSelectorOnMainThread:withObject:withObject:withObject:waitUntilDone:
	Performs the specified selector on the main thread with the specified objects.
(void)	- performSelectorOnMainThread:withObject:withObject:withObject:withObject:waitUntilDone:
	Performs the specified selector on the main thread with the specified objects.
(void)	- performSelector:onThread:afterDelay:
	Performs the specified selector on the specified thread after the specified delay.
(void)	- performSelector:onThread:withObject:afterDelay:
	Performs the specified selector on the specified thread with the specified object after the specified delay.
(void)	- performSelector:onThread:withObject:withObject:afterDelay:
	Performs the specified selector on the specified thread with the specified objects after the specified delay.
(void)	- performSelector:onThread:withObject:withObject:withObject:afterDelay:
	Performs the specified selector on the specified thread with the specified objects after the specified delay.
(void)	- performSelector:onThread:withObject:withObject:withObject:withObject:afterDelay:
	Performs the specified selector on the specified thread with the specified objects after the specified delay.
(nullable id)	- forwardingTargetForSelector:
	This method is called when resolveClassMethod: or resolveInstanceMethod: returned false. It should return a target to which the message should be forwarded.
(void)	- doesNotRecognizeSelector:
	Handles messages which are not understood by the receiver.
Instance Methods inherited from <OFObject>
(unsigned long)	- hash
	Returns a hash for the object.
(unsigned int)	- retainCount
	Returns the retain count.
(bool)	- isProxy
	Returns whether the object is a proxy object.
(bool)	- isKindOfClass:
	Returns a boolean whether the object is of the specified kind.
(bool)	- isMemberOfClass:
	Returns a boolean whether the object is a member of the specified class.
(bool)	- respondsToSelector:
	Returns a boolean whether the object responds to the specified selector.
(nullable IMP)	- methodForSelector:
	Returns the implementation for the specified selector.
(nullable id)	- performSelector:
	Performs the specified selector.
(nullable id)	- performSelector:withObject:
	Performs the specified selector with the specified object.
(nullable id)	- performSelector:withObject:withObject:
	Performs the specified selector with the specified objects.
(nullable id)	- performSelector:withObject:withObject:withObject:
	Performs the specified selector with the specified objects.
(nullable id)	- performSelector:withObject:withObject:withObject:withObject:
	Performs the specified selector with the specified objects.
(bool)	- isEqual:
	Checks two objects for equality.
(instancetype)	- retain
	Increases the retain count.
(void)	- release
	Decreases the retain count.
(instancetype)	- autorelease
	Adds the object to the topmost autorelease pool of the thread's autorelease pool stack.
(instancetype)	- self
	Returns the receiver.
(bool)	- allowsWeakReference
	Returns whether the object allows a weak reference.
(bool)	- retainWeakReference
	Retain a weak reference to this object.

Class Methods
(instancetype)	+ exceptionWithObject:requestedLength:bytesWritten:errNo:
	Creates a new, autoreleased write failed exception.
(instancetype)	+ exceptionWithObject:requestedLength:errNo:
	Creates a new, autoreleased read or write failed exception.
Class Methods inherited from OFReadOrWriteFailedException
Class Methods inherited from OFException
(instancetype)	+ exception
	Creates a new, autoreleased exception.
Class Methods inherited from OFObject
(void)	+ load
	A method which is called once when the class is loaded into the runtime.
(void)	+ unload
	A method which is called when the class is unloaded from the runtime.
(void)	+ initialize
	A method which is called the moment before the first call to the class is being made.
(instancetype)	+ alloc
	Allocates memory for an instance of the class and sets up the memory pool for the object.
(Class)	+ class
	Returns the class.
(OFString *)	+ className
	Returns the name of the class as a string.
(bool)	+ isSubclassOfClass:
	Returns a boolean whether the class is a subclass of the specified class.
(nullable Class)	+ superclass
	Returns the superclass of the class.
(bool)	+ instancesRespondToSelector:
	Checks whether instances of the class respond to a given selector.
(bool)	+ conformsToProtocol:
	Checks whether the class conforms to a given protocol.
(nullable IMP)	+ instanceMethodForSelector:
	Returns the implementation of the instance method for the specified selector.
(nullable OFMethodSignature *)	+ instanceMethodSignatureForSelector:
	Returns the method signature of the instance method for the specified selector.
(nullable IMP)	+ replaceClassMethod:withMethodFromClass:
	Replaces a class method with a class method from another class.
(nullable IMP)	+ replaceInstanceMethod:withMethodFromClass:
	Replaces an instance method with an instance method from another class.
(void)	+ inheritMethodsFromClass:
	Adds all methods from the specified class to the class that is the receiver.
(bool)	+ resolveClassMethod:
	Try to resolve the specified class method.
(bool)	+ resolveInstanceMethod:
	Try to resolve the specified instance method.
(id)	+ copy
	Returns the class.

Properties
size_t	bytesWritten
	The number of bytes already written before the write failed.
Properties inherited from OFReadOrWriteFailedException
id	object
	The stream which caused the read or write failed exception.
size_t	requestedLength
	The requested length of the data that could not be read / written.
int	errNo
	The errno of the error that occurred.
Properties inherited from OFObject
OFString *	className
	The name of the object's class.
OFString *	description
	A description for the object.

Detailed Description

An exception indicating that writing to an object failed.

Method Documentation

exceptionWithObject:requestedLength:bytesWritten:errNo:

+ (instancetype) exceptionWithObject:		(id)	object
requestedLength:		(size_t)	requestedLength
bytesWritten:		(size_t)	bytesWritten
errNo:		(int)	errNo

Creates a new, autoreleased write failed exception.

Parameters

object	The object from which reading or to which writing failed
requestedLength	The requested length of the data that could not be read / written
bytesWritten	The amount of bytes already written before the write failed
errNo	The errno of the error that occurred

Returns

A new, autoreleased write failed exception

exceptionWithObject:requestedLength:errNo:

+ (instancetype) exceptionWithObject:		(id)	object
requestedLength:		(size_t)	requestedLength
errNo:		(int)	errNo

Creates a new, autoreleased read or write failed exception.

Parameters

object	The object from which reading or to which writing failed
requestedLength	The requested length of the data that could not be read / written
errNo	The errno of the error that occurred

Returns

A new, autoreleased read or write failed exception

Reimplemented from OFReadOrWriteFailedException.

initWithObject:requestedLength:bytesWritten:errNo:

- (instancetype) initWithObject:		(id)	object
requestedLength:		(size_t)	requestedLength
bytesWritten:		(size_t)	bytesWritten
errNo:		(int)	errNo

Initializes an already allocated write failed exception.

Parameters

object	The object from which reading or to which writing failed
requestedLength	The requested length of the data that could not be read / written
bytesWritten	The amount of bytes already written before the write failed
errNo	The errno of the error that occurred

Returns

A new open file failed exception

initWithObject:requestedLength:errNo:

- (instancetype) initWithObject:		(id)	object
requestedLength:		(size_t)	requestedLength
errNo:		(int)	errNo

Initializes an already allocated read or write failed exception.

Parameters

object	The object from which reading or to which writing failed
requestedLength	The requested length of the data that could not be read / written
errNo	The errno of the error that occurred

Returns

A new open file failed exception

Reimplemented from OFReadOrWriteFailedException.

Property Documentation

bytesWritten

- (size_t) bytesWritten

readnonatomicassign

The number of bytes already written before the write failed.

This can be used to make sure that a retry does not write data already written before.

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The documentation for this class was generated from the following files:

• src/exceptions/OFWriteFailedException.h
• src/exceptions/OFWriteFailedException.m