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com.tangosol.coherence.rest.query
Class QueryEngineRegistry

java.lang.Object
com.tangosol.coherence.rest.query.QueryEngineRegistry

public class QueryEngineRegistry

extends java.lang.Object

A registry for QueryEngine instances.

Author:

ic 2011.12.03

Field Summary

protected java.util.Map

m_mapQueryEngines A map of registered QueryEngines, keyed by engine names.

Constructor Summary

QueryEngineRegistry()
Construct a QueryEngineRegistry instance.

QueryEngineRegistry(java.util.Collection colConfig)
Construct a QueryEngineRegistry instance.

Method Summary

protected static QueryEngine	createQueryEngine(java.lang.Class clzQueryEngine) Create a query engine instance.
QueryEngine	getQueryEngine(java.lang.String sName) Return a query engine for the specified name.
void	registerQueryEngine(java.lang.String sName, java.lang.Class clzQueryEngine) Register a query engine for the specified name.
void	registerQueryEngine(java.lang.String sName, QueryEngine queryEngine) Register a query engine for the specified name.

Field Detail

m_mapQueryEngines

protected java.util.Map m_mapQueryEngines

A map of registered QueryEngines, keyed by engine names.

Constructor Detail

QueryEngineRegistry

public QueryEngineRegistry()

Construct a QueryEngineRegistry instance.

Invoking this constructor will register a CoherenceQueryLanguageEngine as the default query engine.

See Also:

CoherenceQueryLanguageEngine

QueryEngineRegistry

public QueryEngineRegistry(java.util.Collection colConfig)

Construct a QueryEngineRegistry instance.

Invoking this constructor will register a CoherenceQueryLanguageEngine as the default query engine. Any of provided configurations with name "DEFAULT" will override this one as default query engine.

Parameters:

colConfig - query engine configurations to be registered

Method Detail

registerQueryEngine

public void registerQueryEngine(java.lang.String sName,
                                java.lang.Class clzQueryEngine)

Register a query engine for the specified name.

Parameters:

sName - query engine name

clzQueryEngine - query engine class

registerQueryEngine

public void registerQueryEngine(java.lang.String sName,
                                QueryEngine queryEngine)

Register a query engine for the specified name.

Parameters:

sName - query engine name

queryEngine - query engine

getQueryEngine

public QueryEngine getQueryEngine(java.lang.String sName)

Return a query engine for the specified name.

If none found, the default query engine will be returned.

Parameters:

sName - name of the query engine

Returns:

query engine for the specified name or default query engine

createQueryEngine

protected static QueryEngine createQueryEngine(java.lang.Class clzQueryEngine)

Create a query engine instance.

Parameters:

clzQueryEngine - query engine class

Returns:

query engine instance

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