uk.ac.ic.doc.automed.wrappers
Class SQLWrapper

java.lang.Object
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  +--uk.ac.ic.doc.automed.wrappers.AutoMedWrapper
        |
        +--uk.ac.ic.doc.automed.wrappers.SQLWrapper

Direct Known Subclasses:

PostgresWrapper

public abstract class SQLWrapper

extends AutoMedWrapper

An AutoMed high wrapper for connecting to SQL databases that have a JBDC driver. Note that specific lower level wrapper must be instantiated in order to use a particular database.

Author:

Peter McBrien (pjm@doc.ic.ac.uk)

Field Summary

static java.lang.String

JDBC_PROTOCOL_NAME The name of the Protocol in the repository used to represent JDBC connections.

Constructor Summary

SQLWrapper()

Method Summary

ASG	executeIQL(ASG q) Execute an IQL query on the datasource.
AutoMedResult	executeLocalQuery(AutoMedQuery q)
abstract SQLResult	executeSQLQuery(SQLQuery q)

Methods inherited from class uk.ac.ic.doc.automed.wrappers.AutoMedWrapper

atDebugLevel, getAccessMethod, getAutoMedWrapper, getSchema, setDebugLevel

Methods inherited from class java.lang.Object

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

Field Detail

JDBC_PROTOCOL_NAME

public static final java.lang.String JDBC_PROTOCOL_NAME

The name of the Protocol in the repository used to represent JDBC connections.

See Also:

Constant Field Values

Constructor Detail

SQLWrapper

public SQLWrapper()

Method Detail

executeIQL

public ASG executeIQL(ASG q)
               throws DataSourceException

Execute an IQL query on the datasource.

Specified by:

executeIQL in class AutoMedWrapper

Parameters:

q - An IQL query held in an ASG which complies with the limitations of what this wrapper is able to process

Returns:

An ASG containing the results of the query

DataSourceException

executeSQLQuery

public abstract SQLResult executeSQLQuery(SQLQuery q)
                                   throws DataSourceException

DataSourceException

executeLocalQuery

public AutoMedResult executeLocalQuery(AutoMedQuery q)
                                throws DataSourceException

Specified by:

executeLocalQuery in class AutoMedWrapper

DataSourceException