Interface QueryManager

All Known Implementing Classes:
FederatedQueryManagerImpl, QueryManagerImpl
public interface QueryManager
Interface providing a way of creating instances of queries for datastores, caching of generic and datastore compilations, as well as caching query results.

  • Method Details

    • close

      void close()
      Close the QueryManager, releasing all cached compilations and results.

    • getQueryCompilationCache

      QueryCompilationCache getQueryCompilationCache()
      Accessor for the generic compilation cache.
      Returns:
      The cache of generic compilations

    • addQueryCompilation

      void addQueryCompilation(String language, String query, QueryCompilation compilation)
      Method to store the compilation for a query.
      Parameters:
      language - Language of the query
      query - The query string
      compilation - The compilation of this query

    • removeQueryCompilation

      void removeQueryCompilation(String language, String query)
      Method to remove a query compilation.
      Parameters:
      language - The query language
      query - The query string

    • getQueryCompilationForQuery

      QueryCompilation getQueryCompilationForQuery(String language, String query)
      Accessor for a Query compilation for the specified query and language.
      Parameters:
      language - Language of the query
      query - Query string
      Returns:
      The compilation (if present)

    • getQueryDatastoreCompilationCache

      QueryDatastoreCompilationCache getQueryDatastoreCompilationCache()
      Accessor for the datastore compilation cache.
      Returns:
      The cache of datastore compilations

    • getDatastoreQueryCompilation

      Object getDatastoreQueryCompilation(String datastore, String language, String query)
      Accessor for the datastore-specific compilation for a query.
      Parameters:
      datastore - The datastore identifier
      language - The query language
      query - The query (string form)
      Returns:
      The compiled information (if available)

    • addDatastoreQueryCompilation

      void addDatastoreQueryCompilation(String datastore, String language, String query, Object compilation)
      Method to store the datastore-specific compilation for a query.
      Parameters:
      datastore - The datastore identifier
      language - The query language
      query - The query (string form)
      compilation - The compiled information

    • removeDatastoreQueryCompilation

      void removeDatastoreQueryCompilation(String datastore, String language, String query)
      Method to remove a cached datastore query compilation.
      Parameters:
      datastore - The datastore
      language - The language
      query - The query (string form)

    • getQueryResultsCache

      QueryResultsCache getQueryResultsCache()
      Accessor for the query results cache.
      Returns:
      Query results cache (if present)

    • getQueryResult

      List<Object> getQueryResult(Query query, Map params)
      Accessor for the results for a query.
      Parameters:
      query - The query
      params - Map of parameter values keyed by param name
      Returns:
      The results (List of object identities)

    • evictQueryResultsForType

      void evictQueryResultsForType(Class cls)
      Method to evict all query results for the specified candidate type.
      Parameters:
      cls - Candidate type

    • addQueryResult

      void addQueryResult(Query query, Map params, List<Object> results)
      Method to store the results for a query.
      Parameters:
      query - The query
      params - Map of parameter values keyed by param name
      results - The results (List of object identities)

    • getInMemoryEvaluatorForMethod

      InvocationEvaluator getInMemoryEvaluatorForMethod(Class type, String methodName)
      Accessor for an evaluator for invocation of the specified method for the supplied type. If it is not a supported method for that type then returns null.
      Parameters:
      type - The class name
      methodName - Name of the method
      Returns:
      Evaluator suitable for this type with this method name

    • getQueryMethodAliasesByPrefix

      Map<String,String> getQueryMethodAliasesByPrefix()
      Accessor for JDOQL/JPQL query method aliases keyed by the prefix.
      Returns:
      The method aliases map