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package javax.resource.cci;
import java.io.Serializable;
/** An InteractionSpec holds properties for driving an Interaction
* with an EIS instance. An InteractionSpec is used by an Interaction
* to execute the specified function on an underlying EIS.
*
* <p>The CCI specification defines a set of standard properties for
* an InteractionSpec. An InteractionSpec implementation is not
* required to support a standard property if that property does
* not apply to its underlying EIS.
*
* <p>The InteractionSpec implementation class must provide getter and
* setter methods for each of its supported properties. The getter and
* setter methods convention should be based on the Java Beans design
* pattern.
*
* <p>The standard properties are as follows:
* <UL>
* <LI>FunctionName: name of an EIS function
* <LI>InteractionVerb: mode of interaction with an EIS instance:
* SYNC_SEND, SYNC_SEND_RECEIVE, SYNC_RECEIVE
* <LI>ExecutionTimeout: the number of milliseconds an Interaction
* will wait for an EIS to execute the specified function
* </UL>
*
* <p>The following standard properties are used to give hints to an
* Interaction instance about the ResultSet requirements:
* <UL>
* <LI>FetchSize
* <LI>FetchDirection
* <LI>MaxFieldSize
* <LI>ResultSetType
* <LI>ResultSetConcurrency
* </UL>
*
* <p>A CCI implementation can provide additional properties beyond
* that described in the InteractionSpec interface. Note that the
* format and type of the additional properties is specific to an EIS
* and is outside the scope of the CCI specification.
*
* <p>It is required that the InteractionSpec interface be implemented
* as a JavaBean for the toolability support. The properties on the
* InteractionSpec implementation class should be defined through the
* getter and setter methods pattern. An implementation class for
* InteractionSpec interface is required to implement the
* java.io.Serializable interface.
*
* @author Rahul Sharma
* @version 0.8
* @since 0.8
* @see javax.resource.cci.Interaction
**/
public interface InteractionSpec extends java.io.Serializable {
/**Interaction Verb type: The execution of an Interaction does only a
* send to the target EIS instance. The input record is sent to the
* EIS instance without any synchronous response in terms of an
* output Record or ResultSet.
*/
public static final int SYNC_SEND = 0;
/**Interaction Verb type: The execution of an Interaction sends a
* request to the EIS instance and receives response synchronously.
* The input record is sent to the EIS instance with the output
* received either as Record or CCIResultSet.
**/
public static final int SYNC_SEND_RECEIVE = 1;
/**The execution of an Interaction results in a synchronous
* receive of an output Record. An example is: a session bean gets
* a method invocation and it uses this SEND_RECEIVE form of
* interaction to retrieve messages that have been delivered to a
* message queue.
**/
public static final int SYNC_RECEIVE = 2;
}