Package net.ontopia.topicmaps.query.impl.rdbms

Class QueryProcessor

java.lang.Object

net.ontopia.topicmaps.query.impl.rdbms.QueryProcessor

All Implemented Interfaces:

QueryProcessorIF

public class QueryProcessor
extends Object
implements QueryProcessorIF

INTERNAL: This is the front-end to the RDBMS-specific query processor.

Field Summary

Fields

Modifier and Type	Field	Description
protected RDBMSAccess	access
protected LocatorIF	base
protected QueryProcessor	bprocessor
protected RDBMSMapping	mapping
protected TologParser	parser
protected PredicateFactoryIF	predicateFactory
protected TopicMapIF	topicmap
protected TransactionIF	txn

Constructor Summary

Constructors

Constructor	Description
QueryProcessor(TopicMapIF topicmap)
QueryProcessor(TopicMapIF topicmap, LocatorIF base)

Method Summary

Modifier and Type	Method	Description
QueryResultIF	execute(String query)	PUBLIC: Parses and executes the query, returning the results.
QueryResultIF	execute(String query, Map arguments)	PUBLIC: Parses and executes the query binding the parameters in the query to the values given in the 'arguments' map, returning the results.
QueryResultIF	execute(String query, Map arguments, DeclarationContextIF context)	PUBLIC: Parses and executes the query in the given context binding the parameters in the query to the values given in the 'arguments' map, returning the results.
QueryResultIF	execute(String query, DeclarationContextIF context)	PUBLIC: Parses and executes the query in the given context, returning the results.
QueryProcessor	getBasicQueryProcessor()
ObjectRelationalMappingIF	getMapping()
String	getProperty(String name)
TopicMapIF	getTopicMap()
TransactionIF	getTransaction()
void	load(Reader ruleset)	DEPRECATED: Loads a set of rules into the query processor from a reader object.
void	load(String ruleset)	DEPRECATED: Loads a set of rules into the query processor from a string.
ParsedQueryIF	parse(String query)	PUBLIC: Parses the query, returning an object representing the result.
ParsedQueryIF	parse(String query, DeclarationContextIF context)	PUBLIC: Parses the query in the given context, returning an object representing the result.
protected ParsedQuery	parseQuery(String query, DeclarationContextIF context)
ParsedModificationStatementIF	parseUpdate(String statement)	PUBLIC: Parses the update statement, returning an object representing the result.
ParsedModificationStatementIF	parseUpdate(String statement, DeclarationContextIF context)	PUBLIC: Parses the update statement in the given context, returning an object representing the result.
void	setContext(DeclarationContextIF context)
int	update(String query)	PUBLIC: Runs the update statement, returning the number of modified objects.
int	update(String query, Map<String,?> arguments)	PUBLIC: Runs the update statement with the given parameters, returning the number of modified objects.
int	update(String query, Map<String,?> arguments, DeclarationContextIF context)	PUBLIC: Runs the update statement in the given declaration context with the given parameters, returning the number of modified objects.
int	update(String query, DeclarationContextIF context)	PUBLIC: Runs the update statement in the given declaration context, returning the number of modified objects.

Methods inherited from class java.lang.Object

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

Field Details

predicateFactory

protected PredicateFactoryIF predicateFactory

topicmap

protected TopicMapIF topicmap

base

protected LocatorIF base

parser

protected TologParser parser

txn

protected TransactionIF txn

access

protected RDBMSAccess access

mapping

protected RDBMSMapping mapping

bprocessor

protected QueryProcessor bprocessor

Constructor Details

QueryProcessor

public QueryProcessor(TopicMapIF topicmap)

QueryProcessor

public QueryProcessor(TopicMapIF topicmap,
 LocatorIF base)

Method Details

getProperty

public String getProperty(String name)

execute

public QueryResultIF execute(String query)
                      throws InvalidQueryException

Description copied from interface: QueryProcessorIF

PUBLIC: Parses and executes the query, returning the results.

Specified by:

execute in interface QueryProcessorIF

Throws:

InvalidQueryException

execute

public QueryResultIF execute(String query,
 DeclarationContextIF context)
                      throws InvalidQueryException

Description copied from interface: QueryProcessorIF

PUBLIC: Parses and executes the query in the given context, returning the results.

Specified by:

execute in interface QueryProcessorIF

Throws:

InvalidQueryException

execute

public QueryResultIF execute(String query,
 Map arguments)
                      throws InvalidQueryException

Description copied from interface: QueryProcessorIF

PUBLIC: Parses and executes the query binding the parameters in the query to the values given in the 'arguments' map, returning the results.

Specified by:

execute in interface QueryProcessorIF

Throws:

InvalidQueryException

execute

public QueryResultIF execute(String query,
 Map arguments,
 DeclarationContextIF context)
                      throws InvalidQueryException

Description copied from interface: QueryProcessorIF

PUBLIC: Parses and executes the query in the given context binding the parameters in the query to the values given in the 'arguments' map, returning the results.

Specified by:

execute in interface QueryProcessorIF

Throws:

InvalidQueryException

update

public int update(String query)

Description copied from interface: QueryProcessorIF

PUBLIC: Runs the update statement, returning the number of modified objects.

Specified by:

update in interface QueryProcessorIF

update

public int update(String query,
 DeclarationContextIF context)
           throws InvalidQueryException

Description copied from interface: QueryProcessorIF

PUBLIC: Runs the update statement in the given declaration context, returning the number of modified objects.

Specified by:

update in interface QueryProcessorIF

Throws:

InvalidQueryException

update

public int update(String query,
 Map<String,?> arguments)
           throws InvalidQueryException

Description copied from interface: QueryProcessorIF

PUBLIC: Runs the update statement with the given parameters, returning the number of modified objects.

Specified by:

update in interface QueryProcessorIF

Throws:

InvalidQueryException

update

public int update(String query,
 Map<String,?> arguments,
 DeclarationContextIF context)
           throws InvalidQueryException

Description copied from interface: QueryProcessorIF

PUBLIC: Runs the update statement in the given declaration context with the given parameters, returning the number of modified objects.

Specified by:

update in interface QueryProcessorIF

Throws:

InvalidQueryException

parse

public ParsedQueryIF parse(String query)
                    throws InvalidQueryException

Description copied from interface: QueryProcessorIF

PUBLIC: Parses the query, returning an object representing the result.

Specified by:

parse in interface QueryProcessorIF

Throws:

InvalidQueryException

parse

public ParsedQueryIF parse(String query,
 DeclarationContextIF context)
                    throws InvalidQueryException

Description copied from interface: QueryProcessorIF

PUBLIC: Parses the query in the given context, returning an object representing the result.

Specified by:

parse in interface QueryProcessorIF

Throws:

InvalidQueryException

parseQuery

protected ParsedQuery parseQuery(String query,
 DeclarationContextIF context)
                          throws InvalidQueryException

Throws:

InvalidQueryException

parseUpdate

public ParsedModificationStatementIF parseUpdate(String statement)
                                          throws InvalidQueryException

Description copied from interface: QueryProcessorIF

PUBLIC: Parses the update statement, returning an object representing the result.

Specified by:

parseUpdate in interface QueryProcessorIF

Throws:

InvalidQueryException

parseUpdate

public ParsedModificationStatementIF parseUpdate(String statement,
 DeclarationContextIF context)
                                          throws InvalidQueryException

Description copied from interface: QueryProcessorIF

PUBLIC: Parses the update statement in the given context, returning an object representing the result.

Specified by:

parseUpdate in interface QueryProcessorIF

Throws:

InvalidQueryException

load

public void load(String ruleset)
          throws InvalidQueryException

Description copied from interface: QueryProcessorIF

DEPRECATED: Loads a set of rules into the query processor from a string. The rules will then be available for use in queries throughout the lifetime of the current scope.

Specified by:

load in interface QueryProcessorIF

Throws:

InvalidQueryException

load

public void load(Reader ruleset)
          throws InvalidQueryException,
IOException

Description copied from interface: QueryProcessorIF

DEPRECATED: Loads a set of rules into the query processor from a reader object. The rules will then be available for use in queries throughout the lifetime of the current scope.

Specified by:

load in interface QueryProcessorIF

Throws:

InvalidQueryException

IOException

setContext

public void setContext(DeclarationContextIF context)

getTopicMap

public TopicMapIF getTopicMap()

getTransaction

public TransactionIF getTransaction()

getMapping

public ObjectRelationalMappingIF getMapping()

getBasicQueryProcessor

public QueryProcessor getBasicQueryProcessor()