de.ipcon.db.protocol

Class BackendQueryRequest

java.lang.Object

de.ipcon.db.protocol.BatchedBackendRequest

de.ipcon.db.protocol.BackendQueryRequest

All Implemented Interfaces:

BatchedBackendRequestI, SecureExternalizable, java.io.Serializable

public class BackendQueryRequest
extends BatchedBackendRequest

BackendQueryRequest - encapsulates the arguments and the result of a query in an object for a roundtrip-optimized SocketProtol-variant

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
BackendQueryRequest()
BackendQueryRequest(java.lang.String _query)
BackendQueryRequest(java.lang.String _query, java.lang.Object[] _args)

Method Summary

Modifier and Type	Method and Description
java.lang.String	getQuery() Returns the query this BackendQueryRequest will execute.
java.util.List	getQueryParameters() Returns an unmodifiable list containing the query parameters in the correct order they are used in the query.
void	process(SecureObjectOutputI out, DBManUserContextI utx, BackendQueryAnsweringBOLoaderI loader, PerformanceMeter pm)
void	readInstance(SecureObjectInputI s) Reads an instance of this class from the given SecureObjectInputI without using readObject.
void	receive(SecureObjectInputI in)
java.lang.String	toString()
void	writeInstance(SecureObjectOutputI s) Writes an instance of this class to the given SecureObjectOutputI without using writeObject.

Methods inherited from class de.ipcon.db.protocol.BatchedBackendRequest

getResult, getSlot, setListener, setSlot

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

BackendQueryRequest

public BackendQueryRequest(java.lang.String _query)

BackendQueryRequest

public BackendQueryRequest(java.lang.String _query,
                           java.lang.Object[] _args)

BackendQueryRequest

public BackendQueryRequest()

Method Detail

getQuery

public java.lang.String getQuery()

Returns the query this BackendQueryRequest will execute.

Returns:

a String containing the query this BackendQueryRequest will execute

getQueryParameters

public java.util.List getQueryParameters()

Returns an unmodifiable list containing the query parameters in the correct order they are used in the query.

Returns:

a List containing the query parameters in the correct order they are used in the query this BackendQueryRequest will execute

receive

public void receive(SecureObjectInputI in)
             throws java.io.IOException,
                    java.lang.ClassNotFoundException

Specified by:

receive in interface BatchedBackendRequestI

Specified by:

receive in class BatchedBackendRequest

Throws:

java.io.IOException

java.lang.ClassNotFoundException

process

public void process(SecureObjectOutputI out,
                    DBManUserContextI utx,
                    BackendQueryAnsweringBOLoaderI loader,
                    PerformanceMeter pm)
             throws java.io.IOException

Specified by:

process in class BatchedBackendRequest

Throws:

java.io.IOException

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

writeInstance

public void writeInstance(SecureObjectOutputI s)
                   throws java.io.IOException

Description copied from interface: SecureExternalizable

Writes an instance of this class to the given SecureObjectOutputI without using writeObject.

Specified by:

writeInstance in interface SecureExternalizable

Overrides:

writeInstance in class BatchedBackendRequest

Throws:

java.io.IOException

readInstance

public void readInstance(SecureObjectInputI s)
                  throws java.io.IOException

Description copied from interface: SecureExternalizable

Reads an instance of this class from the given SecureObjectInputI without using readObject.

Specified by:

readInstance in interface SecureExternalizable

Overrides:

readInstance in class BatchedBackendRequest

Throws:

java.io.IOException