org.eclipse.persistence.internal.xr

Class QueryHandler

java.lang.Object

org.eclipse.persistence.internal.xr.QueryHandler

Direct Known Subclasses:

JPQLQueryHandler, NamedQueryHandler, SQLQueryHandler, StoredProcedureQueryHandler

public abstract class QueryHandler
extends java.lang.Object

INTERNAL: QueryHandler sets out the basic rules for how Operations can use different types of queries (DataRead, ValueRead, etc.)

Since:

EclipseLink 1.x

Author:

Mike Norman - michael.norman@oracle.com

Constructor Summary

Constructors

Constructor and Description
QueryHandler()

Method Summary

Modifier and Type	Method and Description
DatabaseQuery	getDatabaseQuery()
void	initialize(XRServiceAdapter xrService, QueryOperation queryOperation)
void	initializeArguments(XRServiceAdapter xrService, QueryOperation queryOperation, DatabaseQuery databaseQuery) INTERNAL: Initialize this QueryHandler's DatabaseQuery's arguments from the Operation's Parameters
void	initializeCall(XRServiceAdapter xrService, QueryOperation queryOperation, DatabaseQuery databaseQuery) INTERNAL: Initialize this QueryHandler's DatabaseQuery's Call.
void	initializeDatabaseQuery(XRServiceAdapter xrService, QueryOperation queryOperation) INTERNAL: Initialize this QueryHandler's DatabaseQuery
void	setDatabaseQuery(DatabaseQuery databaseQuery)
void	validate(XRServiceAdapter xrService, QueryOperation queryOperation)

Methods inherited from class java.lang.Object

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

Constructor Detail

QueryHandler

public QueryHandler()

Method Detail

getDatabaseQuery

public DatabaseQuery getDatabaseQuery()

setDatabaseQuery

public void setDatabaseQuery(DatabaseQuery databaseQuery)

validate

public void validate(XRServiceAdapter xrService,
                     QueryOperation queryOperation)

initialize

public void initialize(XRServiceAdapter xrService,
                       QueryOperation queryOperation)

initializeDatabaseQuery

public void initializeDatabaseQuery(XRServiceAdapter xrService,
                                    QueryOperation queryOperation)

INTERNAL: Initialize this QueryHandler's DatabaseQuery

Parameters:

dbwsService - the given DBWSService

queryOperation - the given QueryOperation

initializeCall

public void initializeCall(XRServiceAdapter xrService,
                           QueryOperation queryOperation,
                           DatabaseQuery databaseQuery)

INTERNAL: Initialize this QueryHandler's DatabaseQuery's Call. Typically no work is required, but for some QueryHandlers (JPQLQueryHandler, StoredProcedureQueryHandler, etc.) special handling may be required.

Parameters:

dbwsService - the given DBWSService

queryOperation - the given QueryOperation

databaseQuery - the given DatabaseQuery

initializeArguments

public void initializeArguments(XRServiceAdapter xrService,
                                QueryOperation queryOperation,
                                DatabaseQuery databaseQuery)

INTERNAL: Initialize this QueryHandler's DatabaseQuery's arguments from the Operation's Parameters

Parameters:

dbwsService - the given DBWSService

queryOperation - the given QueryOperation

databaseQuery - the given DatabaseQuery