org.datanucleus.store.db4o.query
Class JPQLQuery

java.lang.Object
  org.datanucleus.store.query.Query
      org.datanucleus.store.query.AbstractJavaQuery
          org.datanucleus.store.query.AbstractJPQLQuery
              org.datanucleus.store.db4o.query.JPQLQuery

All Implemented Interfaces:

java.io.Serializable

public class JPQLQuery
extends org.datanucleus.store.query.AbstractJPQLQuery

DB4O representation of a JPQL query for use by DataNucleus. The query can be specified via method calls, or via a single-string form.

See Also:

Serialized Form

Nested Class Summary

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

org.datanucleus.store.query.Query.SubqueryDefinition

Field Summary

protected static org.datanucleus.util.Localiser

LOCALISER_DB4O

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

candidateCollection, candidateExtent, singleString

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

BULK_DELETE, BULK_UPDATE, candidateClass, candidateClassName, compilation, explicitParameters, explicitVariables, extensions, filter, from, fromInclNo, fromInclParam, grouping, having, ignoreCache, implicitParameters, imports, LOCALISER, om, ordering, OTHER, parameterNames, parsedImports, queryResults, range, result, resultClass, resultClassName, resultDistinct, SELECT, subclasses, subqueries, tasks, toExclNo, toExclParam, type, unique, unmodifiable, update

Constructor Summary

JPQLQuery(org.datanucleus.ObjectManager om)
Constructs a new query instance that uses the given persistence manager.

JPQLQuery(org.datanucleus.ObjectManager om, JPQLQuery q)
Constructs a new query instance having the same criteria as the given query.

JPQLQuery(org.datanucleus.ObjectManager om, java.lang.String query)
Constructor for a JPQL query where the query is specified using the "Single-String" format.

Method Summary

protected java.lang.Object

performExecute(java.util.Map parameters)

Methods inherited from class org.datanucleus.store.query.AbstractJPQLQuery

compileInternal, getLanguage, getSingleStringQuery, resolveClassDeclaration, setResult

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

discardCompiled, evaluateInMemory, getCandidateCollection, getCandidateExtent, getSupportedExtensions, performDeletePersistentAll, setCandidates, setCandidates, toString

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

addExtension, addSubquery, applyImplicitParameterValueToCompilation, applyRangeChecks, assertIsModifiable, assertSupportsCancel, cancel, cancel, checkParameterTypesAgainstCompilation, close, closeAll, compile, declareExplicitParameters, declareExplicitVariables, declareImports, deletePersistentAll, deletePersistentAll, deletePersistentAll, equals, execute, executeQuery, executeWithArray, executeWithMap, getBooleanExtensionProperty, getCandidateClass, getCandidateClassName, getCompilation, getDatastoreReadTimeoutMillis, getDatastoreWriteTimeoutMillis, getExplicitParameters, getExplicitVariables, getExtension, getExtensions, getFetchPlan, getFilter, getFrom, getGrouping, getHaving, getIgnoreCache, getImplicitParameters, getImports, getInputParameters, getObjectManager, getOrdering, getParameterMapForValues, getParsedImports, getQueryManager, getRange, getRangeFromIncl, getRangeFromInclParam, getRangeToExcl, getRangeToExclParam, getResult, getResultClass, getResultClassName, getResultDistinct, getSerializeRead, getStoreManager, getSubqueryForVariable, getType, getUpdate, hashCode, hasSubqueryForVariable, isCompiled, isSubclasses, isUnique, isUnmodifiable, performExecuteInternal, performExecuteTask, prepareDatastore, setCandidateClassName, setClass, setCompilation, setDatastoreReadTimeoutMillis, setDatastoreWriteTimeoutMillis, setExtensions, setFetchPlan, setFilter, setFrom, setGrouping, setHaving, setIgnoreCache, setImplicitParameter, setImplicitParameter, setOrdering, setRange, setRange, setResultClass, setResultClassName, setResultDistinct, setResultMetaData, setSerializeRead, setSubclasses, setType, setUnique, setUnmodifiable, setUpdate, shouldReturnSingleRow, supportsTimeout, useCaching, useFetchPlan, useResultsCaching

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

LOCALISER_DB4O

protected static final org.datanucleus.util.Localiser LOCALISER_DB4O

Constructor Detail

JPQLQuery

public JPQLQuery(org.datanucleus.ObjectManager om)

Constructs a new query instance that uses the given persistence manager.

Parameters:

om - the associated ObjectManager for this query.

JPQLQuery

public JPQLQuery(org.datanucleus.ObjectManager om,
                 JPQLQuery q)

Constructs a new query instance having the same criteria as the given query.

Parameters:

om - The ObjectManager

q - The query from which to copy criteria.

JPQLQuery

public JPQLQuery(org.datanucleus.ObjectManager om,
                 java.lang.String query)

Constructor for a JPQL query where the query is specified using the "Single-String" format.

Parameters:

om - The persistence manager

query - The query string

Method Detail

performExecute

protected java.lang.Object performExecute(java.util.Map parameters)

Specified by:

performExecute in class org.datanucleus.store.query.Query