Difference between revisions of "VCLOperation"
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Interface FQN: '''it.greenvulcano.gvesb.virtual.Operation''' | Interface FQN: '''it.greenvulcano.gvesb.virtual.Operation''' | ||
− | == | + | ==Operation public methods== |
<syntaxhighlight lang="java5"> | <syntaxhighlight lang="java5"> | ||
/** | /** |
Latest revision as of 18:04, 21 December 2012
Interface FQN: it.greenvulcano.gvesb.virtual.Operation
Operation public methods
/**
* Invoked by OperationFactory when an Operation is initialized.
*
* @param node
* configuration node. The operation should use this node with
* XMLConfig in order to read its configuration parameters.
* @exception InitializationException
* if an error occurs during initialization
*/
void init(Node node) throws InitializationException;
/**
* Execute the operation using a GVBuffer. Usually this method is used in
* order to call external systems.
*
* @param gvBuffer
* input data for the operation.
* @return a GVBuffer containing the operation result.
* @exception ConnectionException
* if an error occurs making the connection to the external system.
* @exception VCLException
* if an error occurs performing the operation.
* @exception InvalidDataException
* if the call fail because the data are invalid. GreenVulcano ESB
* should not retry to perform the operation with the same data.
*/
GVBuffer perform(GVBuffer gvBuffer) throws ConnectionException, VCLException, InvalidDataException;
/**
* Must be always called after 'perform' for execute
* plug-in specific clean up operation
*/
void cleanUp();
/**
* Called when an operation is discarded from cache. Here the implementation
* should release allocated resources.
*/
void destroy();
/**
* Set the Operation key
*
* @param key
* the key to set
*/
void setKey(OperationKey key);
/**
*
* @return the operation key
*/
OperationKey getKey();
/**
* Return the alias for the given service
*
* @param gvBuffer
* the input service GVBuffer
* @return the configured alias
*/
String getServiceAlias(GVBuffer gvBuffer);