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Java Source Code / Java Documentation » Web Services AXIS2 » kernal » org.apache.axis2.context

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang .Object

org.apache.axis2.context .AbstractContext

org.apache.axis2.context .OperationContext

OperationContext
public class OperationContext extends AbstractContext implements Externalizable(Code)
	An OperationContext represents a running "instance" of an operation, which is represented by an AxisOperation object. This concept is needed to allow messages to be grouped into operations as in WSDL 2.0-speak operations are essentially arbitrary message exchange patterns. So as messages are being exchanged the OperationContext remembers the state of where in the message exchange pattern it is in. The base implementation of OperationContext supports MEPs which have one input message and/or one output message. That is, it supports the all the MEPs that are in the WSDL 2.0 specification. In order to support another MEP one must extend this class and register its creation in the OperationContexFactory.

Constructor Summary
public	OperationContext()
public	OperationContext(AxisOperation axisOperation, ServiceContext serviceContext) Constructs a new OperationContext.

Method Summary
public void	activate(ConfigurationContext cc) This method checks to see if additional work needs to be done in order to complete the object reconstitution. Some parts of the object restored from the readExternal() cannot be completed until we have a configurationContext from the active engine.
public void	addMessageContext(MessageContext msgContext) When a new message is added to the `MEPContext` the logic should be included remove the MEPContext from the table in the `EngineContext`.
public void	cleanup() Removes the pointers to this `OperationContext` in the `ConfigurationContext`'s OperationContextMap so that this `OperationContext` will eventually get garbage collected along with the `MessageContext`'s it contains.
public AxisOperation	getAxisOperation()
public ConfigurationContext	getConfigurationContext() Returns the EngineContext in which the parent ServiceContext lives.
public String	getLogCorrelationIDString() Get the ID associated with this object instance. A string that can be output to a log file as an identifierfor this object instance.
public MessageContext	getMessageContext(String messageLabel)
public HashMap	getMessageContexts()
public String	getOperationName() Get the name associated with the operation.
public ConfigurationContext	getRootContext()
public ServiceContext	getServiceContext() Returns the ServiceContext in which this OperationContext lives.
public String	getServiceGroupName() Get the name associated with the service group.
public String	getServiceName() Get the name associated with the service.
public boolean	isComplete() Checks to see if the MEP is complete.
public boolean	isEquivalent(OperationContext ctx) Compares key parts of the state from the current instance of this class with the specified instance to see if they are equivalent.
public void	isolateMessageContext(MessageContext mc) Isolate the specified message context object to prepare for serialization.
public void	readExternal(ObjectInput in) Restore the contents of the object that was previously saved. NOTE: The field data must read back in the same order and type as it was written.
public void	restoreMessageContext(MessageContext msg) Restore the specified MessageContext object in the table used to hold the message contexts associated with this operation.
public void	setComplete(boolean complete)
public void	setKey(String key)
public void	writeExternal(ObjectOutput out) Save the contents of this object.

Constructor Detail

OperationContext
public OperationContext()(Code)
	Simple constructor (needed for deserialization, shouldn't be used otherwise!)

OperationContext
public OperationContext(AxisOperation axisOperation, ServiceContext serviceContext)(Code)
	Constructs a new OperationContext. Parameters: axisOperation - the AxisOperation whose running instances' state thisOperationContext represents. Parameters: serviceContext - the parent ServiceContext representing any state related tothe set of all operations of the service.

Method Detail

activate
public void activate(ConfigurationContext cc)(Code)
	This method checks to see if additional work needs to be done in order to complete the object reconstitution. Some parts of the object restored from the readExternal() cannot be completed until we have a configurationContext from the active engine. The configurationContext is used to help this object to plug back into the engine's configuration and deployment objects. Parameters: cc - The configuration context object representing the active configuration

addMessageContext
public void addMessageContext(MessageContext msgContext) throws AxisFault(Code)
	When a new message is added to the `MEPContext` the logic should be included remove the MEPContext from the table in the `EngineContext`. Example: IN_IN_OUT At the second IN message the MEPContext should be removed from the AxisOperation. Parameters: msgContext -

cleanup
public void cleanup()(Code)
	Removes the pointers to this `OperationContext` in the `ConfigurationContext`'s OperationContextMap so that this `OperationContext` will eventually get garbage collected along with the `MessageContext`'s it contains. Note that if the caller wants to make sure its safe to clean up this OperationContext he should call isComplete() first. However, in cases like IN_OPTIONAL_OUT and OUT_OPTIONAL_IN, it is possibe this will get called without the MEP being complete due to the optional nature of the MEP.

getAxisOperation
public AxisOperation getAxisOperation()(Code)
	Returns the axisOperation.

getConfigurationContext
public ConfigurationContext getConfigurationContext()(Code)
	Returns the EngineContext in which the parent ServiceContext lives. Returns parent ServiceContext's parent EngineContext.

getLogCorrelationIDString
public String getLogCorrelationIDString()(Code)
	Get the ID associated with this object instance. A string that can be output to a log file as an identifierfor this object instance. It is suitable for matching related logentries.

getMessageContext
public MessageContext getMessageContext(String messageLabel) throws AxisFault(Code)
	Parameters: messageLabel - Returns MessageContext. throws: AxisFault -

getMessageContexts
public HashMap getMessageContexts()(Code)

getOperationName
public String getOperationName()(Code)
	Get the name associated with the operation. The name String

getRootContext
public ConfigurationContext getRootContext()(Code)

getServiceContext
public ServiceContext getServiceContext()(Code)
	Returns the ServiceContext in which this OperationContext lives. Returns parent ServiceContext.

getServiceGroupName
public String getServiceGroupName()(Code)
	Get the name associated with the service group. The name String

getServiceName
public String getServiceName()(Code)
	Get the name associated with the service. The name String

isComplete
public boolean isComplete()(Code)
	Checks to see if the MEP is complete. i.e. whether all the messages that are associated with the MEP has arrived and MEP is complete.

isEquivalent

public boolean isEquivalent(OperationContext ctx)(Code)

Compares key parts of the state from the current instance of this class with the specified instance to see if they are equivalent.

This differs from the java.lang.Object.equals() method in that the equals() method generally looks at both the object identity (location in memory) and the object state (data).

Parameters:
ctx - The object to compare with TRUE if this object is equivalent with the specified objectthat is, key fields matchFALSE, otherwise

isolateMessageContext
public void isolateMessageContext(MessageContext mc)(Code)
	Isolate the specified message context object to prepare for serialization. Instead of saving the entire message context object, just setup some metadata about the message context. Note: this will remove the specified message context object from the message context table. Parameters: mc - The message context object

readExternal
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException(Code)
	Restore the contents of the object that was previously saved. NOTE: The field data must read back in the same order and type as it was written. Some data will need to be validated when resurrected. Parameters: in - The stream to read the object contents from throws: IOException - throws: ClassNotFoundException -

restoreMessageContext
public void restoreMessageContext(MessageContext msg)(Code)
	Restore the specified MessageContext object in the table used to hold the message contexts associated with this operation. Parameters: msg - The message context object

setComplete
public void setComplete(boolean complete)(Code)

setKey
public void setKey(String key)(Code)

writeExternal
public void writeExternal(ObjectOutput out) throws IOException(Code)
	Save the contents of this object. NOTE: Transient fields and static fields are not saved. Also, objects that represent "static" data are not saved, except for enough information to be able to find matching objects when the message context is re-constituted. Parameters: out - The stream to write the object contents to throws: IOException -

Fields inherited from org.apache.axis2.context.AbstractContext

final public static String COPY_PROPERTIES(Code)(Java Doc)
protected long lastTouchedTime(Code)(Java Doc)
protected transient AbstractContext parent(Code)(Java Doc)
protected transient Map properties(Code)(Java Doc)

Methods inherited from org.apache.axis2.context.AbstractContext

public synchronized void clearPropertyDifferences()(Code)(Java Doc)
public void flush() throws AxisFault(Code)(Java Doc)
public long getLastTouchedTime()(Code)(Java Doc)
public AbstractContext getParent()(Code)(Java Doc)
public Map getProperties()(Code)(Java Doc)
public Object getProperty(String key)(Code)(Java Doc)
public synchronized Map getPropertyDifferences()(Code)(Java Doc)
public Iterator getPropertyNames()(Code)(Java Doc)
public Object getPropertyNonReplicable(String key)(Code)(Java Doc)
abstract public ConfigurationContext getRootContext()(Code)(Java Doc)
public void mergeProperties(Map props)(Code)(Java Doc)
public synchronized void removeProperty(String key)(Code)(Java Doc)
public synchronized void removePropertyNonReplicable(String key)(Code)(Java Doc)
public void setLastTouchedTime(long t)(Code)(Java Doc)
public void setNonReplicableProperty(String key, Object value)(Code)(Java Doc)
public void setParent(AbstractContext context)(Code)(Java Doc)
public void setProperties(Map properties)(Code)(Java Doc)
public void setProperty(String key, Object value)(Code)(Java Doc)
protected void touch()(Code)(Java Doc)

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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