Package org.datanucleus.store.cassandra.query

Class CQLQuery

  • All Implemented Interfaces:
    Serializable, org.datanucleus.ExecutionContextListener
    public class CQLQuery
extends org.datanucleus.store.query.AbstractJavaQuery
    CQL query for Cassandra. Allows the user to execute a CQL query and return the results in the form "List<Object[]>".
    See Also:
    Serialized Form

    • Nested Class Summary

      • Nested classes/interfaces inherited from class org.datanucleus.store.query.Query

        org.datanucleus.store.query.Query.QueryType, org.datanucleus.store.query.Query.SubqueryDefinition

    • Field Summary

      Fields 
      Modifier and Type Field Description
      protected CassandraQueryCompilation datastoreCompilation
      The compilation of the query for this datastore.

      • Fields inherited from class org.datanucleus.store.query.AbstractJavaQuery

        candidateCollection, singleString

      • Fields inherited from class org.datanucleus.store.query.Query

        candidateClass, candidateClassName, clr, compilation, ec, explicitParameters, explicitVariables, EXTENSION_CHECK_UNUSED_PARAMETERS, EXTENSION_CLOSE_RESULTS_AT_EC_CLOSE, EXTENSION_COMPILATION_CACHED, EXTENSION_EVALUATE_IN_MEMORY, EXTENSION_EXCLUDE_SUBCLASSES, EXTENSION_FLUSH_BEFORE_EXECUTION, EXTENSION_JDOQL_STRICT, EXTENSION_JPQL_STRICT, EXTENSION_LOAD_RESULTS_AT_COMMIT, EXTENSION_QUERY_TYPE, EXTENSION_RESULT_CACHE_TYPE, EXTENSION_RESULT_CACHE_VALIDATE_OBJECTS, EXTENSION_RESULT_SIZE_METHOD, EXTENSION_RESULTS_CACHED, EXTENSION_SQL_SYNTAX_CHECKS, EXTENSION_USE_FETCH_PLAN, extensions, filter, from, fromInclNo, fromInclParam, grouping, having, ignoreCache, implicitParameters, imports, inputParameters, insertFields, insertSelectQuery, LANGUAGE_JDOQL, LANGUAGE_JPQL, LANGUAGE_SQL, ordering, parameterNames, parsedImports, queryResults, range, result, resultClass, resultClassName, resultDistinct, storeMgr, subclasses, subqueries, tasks, toExclNo, toExclParam, type, unique, unmodifiable, update

    • Constructor Summary

      Constructors 
      Constructor Description
      CQLQuery​(org.datanucleus.store.StoreManager storeMgr, org.datanucleus.ExecutionContext ec)
      Constructs a new query instance that uses the given execution context.
      CQLQuery​(org.datanucleus.store.StoreManager storeMgr, org.datanucleus.ExecutionContext ec, String query)
      Constructor for a JDOQL query where the query is specified using the "Single-String" format.
      CQLQuery​(org.datanucleus.store.StoreManager storeMgr, org.datanucleus.ExecutionContext ec, CQLQuery q)
      Constructs a new query instance having the same criteria as the given query.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void compileGeneric​(Map parameterValues)  
      protected void compileInternal​(Map parameterValues)  
      String getSingleStringQuery()  
      protected Object performExecute​(Map parameters)  

      • Methods inherited from class org.datanucleus.store.query.AbstractJavaQuery

        dereferenceFilter, discardCompiled, evaluateInMemory, performDeletePersistentAll, setCandidates, setCandidates, toString

      • Methods inherited from class org.datanucleus.store.query.Query

        addExtension, addSubquery, applyImplicitParameterValueToCompilation, applyImplicitParameterValueToSubqueries, assertIsModifiable, assertIsOpen, assertSupportsCancel, cancel, cancel, cancelTaskObject, checkForMissingParameters, checkParameterTypesAgainstCompilation, checkUnusedParameters, close, closeAll, compile, declareExplicitParameters, declareExplicitVariables, declareImports, deepFindSymbolForParameterInCompilation, deletePersistentAll, deletePersistentAll, deletePersistentAll, deregisterTask, equals, execute, executeQuery, executeWithArray, executeWithMap, executionContextClosing, getBooleanExtensionProperty, getCandidateClass, getCandidateClassMetaData, getCandidateClassName, getCompilation, getDatastoreReadTimeoutMillis, getDatastoreWriteTimeoutMillis, getExecutionContext, getExplicitParametersDeclaration, getExplicitVariablesDeclaration, getExtension, getExtensions, getFetchPlan, getFilter, getFrom, getGrouping, getHaving, getIgnoreCache, getImplicitParameters, getImportsDeclaration, getInputParameters, getInsertFields, getInsertSelectQuery, getLanguage, getNativeQuery, getOrdering, getParameterMapForValues, getParsedImports, getQueryManager, getRange, getRangeFromIncl, getRangeFromInclParam, getRangeToExcl, getRangeToExclParam, getResult, getResultClass, getResultClassName, getResultDistinct, getSerializeRead, getStoreManager, getStringExtensionProperty, getSubqueryForVariable, getSupportedExtensions, getType, getUpdate, hashCode, hasSubqueryForVariable, isCompiled, isSubclasses, isUnique, isUnmodifiable, prepareDatastore, processesRangeInDatastoreQuery, registerTask, resolveClassDeclaration, setCacheResults, setCandidateClass, setCandidateClassName, setCompilation, setDatastoreReadTimeoutMillis, setDatastoreWriteTimeoutMillis, setExtensions, setFetchPlan, setFilter, setFrom, setGrouping, setHaving, setIgnoreCache, setImplicitParameter, setImplicitParameter, setInsertFields, setInsertSelectQuery, setOrdering, setRange, setRange, setResult, setResultClass, setResultClassName, setResultDistinct, setResultMetaData, setSerializeRead, setSubclasses, setType, setUnique, setUnmodifiable, setUpdate, shouldReturnSingleRow, supportsTimeout, useCaching, useFetchPlan, useResultsCaching

    • Field Detail

      • datastoreCompilation

        protected transient CassandraQueryCompilation datastoreCompilation
        The compilation of the query for this datastore. Not applicable if totally in-memory.

    • Constructor Detail

      • CQLQuery

        public CQLQuery​(org.datanucleus.store.StoreManager storeMgr,
                org.datanucleus.ExecutionContext ec)
        Constructs a new query instance that uses the given execution context.
        Parameters:
        storeMgr - StoreManager for this query
        ec - execution context

      • CQLQuery

        public CQLQuery​(org.datanucleus.store.StoreManager storeMgr,
                org.datanucleus.ExecutionContext ec,
                CQLQuery q)
        Constructs a new query instance having the same criteria as the given query.
        Parameters:
        storeMgr - StoreManager for this query
        ec - execution context
        q - The query from which to copy criteria.

      • CQLQuery

        public CQLQuery​(org.datanucleus.store.StoreManager storeMgr,
                org.datanucleus.ExecutionContext ec,
                String query)
        Constructor for a JDOQL query where the query is specified using the "Single-String" format.
        Parameters:
        storeMgr - StoreManager for this query
        ec - execution context
        query - The query string

    • Method Detail

      • getSingleStringQuery

        public String getSingleStringQuery()
        Specified by:
        getSingleStringQuery in class org.datanucleus.store.query.AbstractJavaQuery

      • compileGeneric

        public void compileGeneric​(Map parameterValues)
        Specified by:
        compileGeneric in class org.datanucleus.store.query.AbstractJavaQuery

      • compileInternal

        protected void compileInternal​(Map parameterValues)
        Specified by:
        compileInternal in class org.datanucleus.store.query.Query

      • performExecute

        protected Object performExecute​(Map parameters)
        Specified by:
        performExecute in class org.datanucleus.store.query.Query