Package org.datanucleus.metadata

Examples of org.datanucleus.metadata.QueryMetaData

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                        {
                            namedQueries = new HashSet<QueryMetaData>();
                        }
                        for (int j=0;j<queries.length;j++)
                        {
                            QueryMetaData qmd = new QueryMetaData(queries[j].name());
                            qmd.setLanguage(QueryLanguage.JPQL.toString());
                            qmd.setUnmodifiable(true);
                            qmd.setQuery(queries[j].query());
                            namedQueries.add(qmd);
                        }
                    }
                    else if (annName.equals(JPAAnnotationUtils.NAMED_QUERY))
                    {
                        if (namedQueries == null)
                        {
                            namedQueries = new HashSet<QueryMetaData>();
                        }
                        QueryMetaData qmd = new QueryMetaData((String)annotationValues.get("name"));
                        qmd.setLanguage(QueryLanguage.JPQL.toString());
                        qmd.setUnmodifiable(true);
                        qmd.setQuery((String)annotationValues.get("query"));
                        namedQueries.add(qmd);
                    }
                    else if (annName.equals(JPAAnnotationUtils.NAMED_NATIVE_QUERIES))
                    {
                        NamedNativeQuery[] queries = (NamedNativeQuery[])annotationValues.get("value");
                        if (namedQueries == null)
                        {
                            namedQueries = new HashSet<QueryMetaData>();
                        }
                        for (int j=0;j<queries.length;j++)
                        {
                            String resultClassName = null;
                            if (queries[j].resultClass() != null && queries[j].resultClass() != void.class)
                            {
                                resultClassName = queries[j].resultClass().getName();
                            }
                            String resultMappingName = null;
                            if (queries[j].resultSetMapping() != null)
                            {
                                resultMappingName = queries[j].resultSetMapping();
                            }
                            QueryMetaData qmd = new QueryMetaData(queries[j].name());
                            qmd.setLanguage(QueryLanguage.SQL.toString());
                            qmd.setUnmodifiable(true);
                            qmd.setResultClass(resultClassName);
                            qmd.setResultMetaDataName(resultMappingName);
                            qmd.setQuery(queries[j].query());
                            namedQueries.add(qmd);
                        }
                    }
                    else if (annName.equals(JPAAnnotationUtils.NAMED_NATIVE_QUERY))
                    {
                        if (namedQueries == null)
                        {
                            namedQueries = new HashSet<QueryMetaData>();
                        }

                        Class resultClass = (Class)annotationValues.get("resultClass");
                        String resultClassName = null;
                        if (resultClass != null && resultClass != void.class)
                        {
                            resultClassName = resultClass.getName();
                        }
                        String resultMappingName = (String)annotationValues.get("resultSetMapping");
                        if (StringUtils.isWhitespace(resultMappingName))
                        {
                            resultMappingName = null;
                        }
                        QueryMetaData qmd = new QueryMetaData((String)annotationValues.get("name"));
                        qmd.setLanguage(QueryLanguage.SQL.toString());
                        qmd.setUnmodifiable(true);
                        qmd.setResultClass(resultClassName);
                        qmd.setResultMetaDataName(resultMappingName);
                        qmd.setQuery((String)annotationValues.get("query"));
                        namedQueries.add(qmd);
                    }
                    else if (annName.equals(JPAAnnotationUtils.SQL_RESULTSET_MAPPINGS))
                    {
                        SqlResultSetMapping[] mappings = (SqlResultSetMapping[])annotationValues.get("value");
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                // Named JPQL query
                MetaData md = getStack();
                if (md instanceof FileMetaData)
                {
                    FileMetaData filemd = (FileMetaData)md;
                    QueryMetaData qmd = filemd.newQueryMetadata(getAttr(attrs, "name"));
                    qmd.setLanguage(QueryLanguage.JPQL.toString());
                    pushStack(qmd);
                }
                else if (md instanceof ClassMetaData)
                {
                    ClassMetaData cmd = (ClassMetaData)md;
                    QueryMetaData qmd = new QueryMetaData(getAttr(attrs, "name"));
                    qmd.setLanguage(QueryLanguage.JPQL.toString());
                    cmd.addQuery(qmd);
                    pushStack(qmd);
                }
            }
            else if (localName.equals("named-native-query"))
            {
                // Named SQL query
                MetaData md = getStack();
                if (md instanceof FileMetaData)
                {
                    FileMetaData filemd = (FileMetaData)md;
                    QueryMetaData qmd = filemd.newQueryMetadata(getAttr(attrs, "name"));
                    qmd.setLanguage(QueryLanguage.SQL.toString());
                    qmd.setResultClass(getAttr(attrs, "result-class"));
                    qmd.setResultMetaDataName(getAttr(attrs, "result-set-mapping"));
                    pushStack(qmd);
                }
                else if (md instanceof ClassMetaData)
                {
                    ClassMetaData cmd = (ClassMetaData)md;
                    QueryMetaData qmd = new QueryMetaData(getAttr(attrs, "name"));
                    qmd.setLanguage(QueryLanguage.SQL.toString());
                    qmd.setResultClass(getAttr(attrs, "result-class"));
                    qmd.setResultMetaDataName(getAttr(attrs, "result-set-mapping"));
                    cmd.addQuery(qmd);
                    pushStack(qmd);
                }
            }
            else if (localName.equals("sql-result-set-mapping"))
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     * @param queryName Name of the query
     * @return The QueryMetaData for the query for this class
     **/
    public QueryMetaData getMetaDataForQuery(Class cls, ClassLoaderResolver clr, String queryName)
    {
        QueryMetaData qmd = super.getMetaDataForQuery(cls, clr, queryName);
        if (qmd != null)
        {
            return qmd;
        }

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            {
                MetaData emd = getStack();
                if (emd instanceof ClassMetaData)
                {
                    ClassMetaData cmd = (ClassMetaData)emd;
                    QueryMetaData qmd = new QueryMetaData(getAttr(attrs, "name"));
                    qmd.setScope(cmd.getFullClassName());
                    qmd.setLanguage(getAttr(attrs, "language"));
                    qmd.setUnmodifiable(getAttr(attrs, "unmodifiable"));
                    qmd.setResultClass(getAttr(attrs, "result-class"));
                    qmd.setUnique(getAttr(attrs, "unique"));
                    qmd.setFetchPlanName(getAttr(attrs, "fetch-plan"));
                    cmd.addQuery(qmd);
                    pushStack(qmd);
                }
                else if (emd instanceof InterfaceMetaData)
                {
                    InterfaceMetaData imd = (InterfaceMetaData)emd;
                    QueryMetaData qmd = new QueryMetaData(getAttr(attrs, "name"));
                    qmd.setScope(imd.getFullClassName());
                    qmd.setLanguage(getAttr(attrs, "language"));
                    qmd.setUnmodifiable(getAttr(attrs, "unmodifiable"));
                    qmd.setResultClass(getAttr(attrs, "result-class"));
                    qmd.setUnique(getAttr(attrs, "unique"));
                    qmd.setFetchPlanName(getAttr(attrs, "fetch-plan"));
                    imd.addQuery(qmd);
                    pushStack(qmd);
                }
                else if (emd instanceof FileMetaData)
                {
                    FileMetaData filemd = (FileMetaData)emd;
                    QueryMetaData qmd = filemd.newQueryMetadata(getAttr(attrs, "name"));
                    qmd.setLanguage(getAttr(attrs, "language"));
                    qmd.setUnmodifiable(getAttr(attrs, "unmodifiable"));
                    qmd.setResultClass(getAttr(attrs, "result-class"));
                    qmd.setUnique(getAttr(attrs, "unique"));
                    qmd.setFetchPlanName(getAttr(attrs, "fetch-plan"));
                    pushStack(qmd);
                }
            }
            else if (localName.equals("sequence"))
            {
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                        for (int j=0;j<queries.length;j++)
                        {
                            String lang = JDOAnnotationUtils.getQueryLanguageName(qs[j].language());
                            String resultClassName = (qs[j].resultClass() != null && qs[j].resultClass() != void.class ?
                                    qs[j].resultClass().getName() : null);
                            queries[j] = new QueryMetaData(qs[j].name());
                            queries[j].setScope(cls.getName());
                            queries[j].setLanguage(lang);
                            queries[j].setUnmodifiable(qs[j].unmodifiable());
                            queries[j].setResultClass(resultClassName);
                            queries[j].setUnique(qs[j].unique());
                            queries[j].setFetchPlanName(qs[j].fetchPlan());
                            queries[j].setQuery(qs[j].value());
                            JDOAnnotationUtils.addExtensionsToMetaData(queries[j], qs[j].extensions());
                        }
                    }
                    else if (annName.equals(JDOAnnotationUtils.QUERY))
                    {
                        if (queries != null)
                        {
                            NucleusLogger.METADATA.warn(LOCALISER.msg("044209", cmd.getFullClassName()));
                        }
                        queries = new QueryMetaData[1];
                        String unmodifiable = "" + annotationValues.get("unmodifiable");
                        Class resultClassValue = (Class)annotationValues.get("resultClass");
                        String resultClassName =
                            (resultClassValue != null && resultClassValue != void.class ? resultClassValue.getName() : null);
                        String lang = JDOAnnotationUtils.getQueryLanguageName((String)annotationValues.get("language"));
                        queries[0] = new QueryMetaData((String)annotationValues.get("name"));
                        queries[0].setScope(cls.getName());
                        queries[0].setLanguage(lang);
                        queries[0].setUnmodifiable(unmodifiable);
                        queries[0].setResultClass(resultClassName);
                        queries[0].setUnique((String)annotationValues.get("unique"));
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            throw new IllegalArgumentException(LOCALISER.msg("Query.NamedQueryNotFound", queryName));
        }

        // Find the Query for the specified class
        ClassLoaderResolver clr = om.getClassLoaderResolver();
        QueryMetaData qmd = om.getMetaDataManager().getMetaDataForQuery(null, clr, queryName);
        if (qmd == null)
        {
            throw new IllegalArgumentException(LOCALISER.msg("Query.NamedQueryNotFound", queryName));
        }

        // Create the Query
        try
        {
            if (qmd.getLanguage().equals(QueryLanguage.JPQL.toString()))
            {
                // "named-query" so return JPQL
                org.datanucleus.store.query.Query internalQuery = om.getStoreManager().getQueryManager().newQuery(
                    qmd.getLanguage().toString(), om, qmd.getQuery());
                return new JPAQuery(this, internalQuery, qmd.getLanguage());
            }
            else if (qmd.getLanguage().equals(QueryLanguage.SQL.toString()))
            {
                // "named-native-query" so return SQL
                org.datanucleus.store.query.Query internalQuery = om.getStoreManager().getQueryManager().newQuery(
                    qmd.getLanguage(), om, qmd.getQuery());
                if (qmd.getResultClass() != null)
                {
                    // Named SQL query with result class
                    String resultClassName = qmd.getResultClass();
                    Class resultClass = null;
                    try
                    {
                        resultClass = om.getClassLoaderResolver().classForName(resultClassName);
                        internalQuery.setResultClass(resultClass);
                        return new JPAQuery(this, internalQuery, qmd.getLanguage());
                    }
                    catch (Exception e)
                    {
                        // Result class not found so throw exception (not defined in the JPA spec)
                        throw new IllegalArgumentException(LOCALISER.msg("Query.ResultClassNotFound", qmd.getName(), resultClassName));
                    }
                }
                else if (qmd.getResultMetaDataName() != null)
                {
                    QueryResultMetaData qrmd = om.getMetaDataManager().getMetaDataForQueryResult(qmd.getResultMetaDataName());
                    if (qrmd == null)
                    {
                        // TODO Localise this
                        throw new IllegalArgumentException("ResultSetMapping " + qmd.getResultMetaDataName() + " is not found");
                    }
                    internalQuery.setResultMetaData(qrmd);
                    return new JPAQuery(this, internalQuery, qmd.getLanguage());
                }
                else
                {
                    return new JPAQuery(this, internalQuery, qmd.getLanguage());
                }
            }
            else
            {
                throw new IllegalArgumentException(LOCALISER.msg("Query.LanguageNotSupportedByStore", qmd.getLanguage()));
            }
        }
        catch (NucleusException ne)
        {
            throw new IllegalArgumentException(ne.getMessage(), ne);
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            throw new JDOUserException(LOCALISER_JDO.msg("011005", queryName, cls));
        }

        // Find the Query for the specified class
        ClassLoaderResolver clr = om.getClassLoaderResolver();
        QueryMetaData qmd = om.getMetaDataManager().getMetaDataForQuery(cls, clr, queryName);
        if (qmd == null)
        {
            throw new JDOUserException(LOCALISER_JDO.msg("011005", queryName, cls));
        }

        // Create the Query
        Query query = newQuery(qmd.getLanguage(), qmd.getQuery());
        if (cls != null)
        {
            query.setClass(cls);
            if (!om.getStoreManager().managesClass(cls.getName()))
            {
                // Load the candidate class since not yet managed
                om.getStoreManager().addClass(cls.getName(), clr);
            }
        }

        // Optional args that should only be used with SQL
        if (qmd.getLanguage().equals(QueryLanguage.JDOQL.toString()) &&
            (qmd.isUnique() || qmd.getResultClass() != null))
        {
            throw new JDOUserException(LOCALISER_JDO.msg("011007", queryName));
        }
        if (qmd.isUnique())
        {
            query.setUnique(true);
        }
        if (qmd.getResultClass() != null)
        {
            // Set the result class, allowing for it being in the same package as the candidate
            Class resultCls = null;
            try
            {
                resultCls = clr.classForName(qmd.getResultClass());
            }
            catch (ClassNotResolvedException cnre)
            {
                try
                {
                    String resultClassName = cls.getPackage().getName() + "." + qmd.getResultClass();
                    resultCls = clr.classForName(resultClassName);
                }
                catch (ClassNotResolvedException cnre2)
                {
                    throw new JDOUserException(LOCALISER_JDO.msg("011008", queryName, qmd.getResultClass()));
                }
            }
            query.setResultClass(resultCls);
        }

        // Add any extensions
        ExtensionMetaData[] extmds = qmd.getExtensions();
        if (extmds != null)
        {
            for (int i=0;i<extmds.length;i++)
            {
                if (extmds[i].getVendorName().equals(MetaData.VENDOR_NAME))
                {
                    query.addExtension(extmds[i].getKey(), extmds[i].getValue());
                }
            }
        }
        if (qmd.isUnmodifiable())
        {
            query.setUnmodifiable();
        }
        if (qmd.getFetchPlanName() != null)
        {
            // Apply any named FetchPlan to the query
            FetchPlanMetaData fpmd =
                getObjectManager().getMetaDataManager().getMetaDataForFetchPlan(qmd.getFetchPlanName());
            if (fpmd != null)
            {
                org.datanucleus.FetchPlan fp = new org.datanucleus.FetchPlan(om, clr);
                fp.removeGroup(org.datanucleus.FetchPlan.DEFAULT);
                FetchGroupMetaData[] fgmds = fpmd.getFetchGroupMetaData();
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        return pkmd;
    }

    public QueryMetadata newQueryMetadata(String name)
    {
        QueryMetaData internalQmd = getInternal().newQueryMetadata(name);
        QueryMetadataImpl qmd = new QueryMetadataImpl(internalQmd);
        qmd.parent = this;
        return qmd;
    }
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            {
                MetaData emd = getStack();
                if (emd instanceof ClassMetaData)
                {
                    ClassMetaData cmd = (ClassMetaData)emd;
                    QueryMetaData qmd = new QueryMetaData(getAttr(attrs, "name"));
                    qmd.setScope(cmd.getFullClassName());
                    qmd.setLanguage(getAttr(attrs, "language"));
                    qmd.setUnmodifiable(getAttr(attrs, "unmodifiable"));
                    qmd.setResultClass(getAttr(attrs, "result-class"));
                    qmd.setUnique(getAttr(attrs, "unique"));
                    qmd.setFetchPlanName(getAttr(attrs, "fetch-plan"));
                    cmd.addQuery(qmd);
                    pushStack(qmd);
                }
                else if (emd instanceof InterfaceMetaData)
                {
                    InterfaceMetaData imd = (InterfaceMetaData)emd;
                    QueryMetaData qmd = new QueryMetaData(getAttr(attrs, "name"));
                    qmd.setScope(imd.getFullClassName());
                    qmd.setLanguage(getAttr(attrs, "language"));
                    qmd.setUnmodifiable(getAttr(attrs, "unmodifiable"));
                    qmd.setResultClass(getAttr(attrs, "result-class"));
                    qmd.setUnique(getAttr(attrs, "unique"));
                    qmd.setFetchPlanName(getAttr(attrs, "fetch-plan"));
                    imd.addQuery(qmd);
                    pushStack(qmd);
                }
                else if (emd instanceof FileMetaData)
                {
                    FileMetaData filemd = (FileMetaData)emd;
                    QueryMetaData qmd = filemd.newQueryMetadata(getAttr(attrs, "name"));
                    qmd.setLanguage(getAttr(attrs, "language"));
                    qmd.setUnmodifiable(getAttr(attrs, "unmodifiable"));
                    qmd.setResultClass(getAttr(attrs, "result-class"));
                    qmd.setUnique(getAttr(attrs, "unique"));
                    qmd.setFetchPlanName(getAttr(attrs, "fetch-plan"));
                    pushStack(qmd);
                }
            }
            else if (localName.equals("sequence"))
            {
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     * @param queryName Name of the query
     * @return The QueryMetaData for the query for this class
     **/
    public QueryMetaData getMetaDataForQuery(Class cls, ClassLoaderResolver clr, String queryName)
    {
        QueryMetaData qmd = super.getMetaDataForQuery(cls, clr, queryName);
        if (qmd != null)
        {
            return qmd;
        }

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Related Classes of org.datanucleus.metadata.QueryMetaData

  • org.datanucleus.api.jdo.JDOPersistenceManager
  • org.datanucleus.api.jdo.metadata.JDOAnnotationReader
  • org.datanucleus.api.jdo.metadata.JDOMetaDataHandler
  • org.datanucleus.api.jdo.metadata.JDOMetaDataManager
  • org.datanucleus.api.jpa.JPAEntityManager
  • org.datanucleus.api.jpa.metadata.JPAAnnotationReader
  • org.datanucleus.api.jpa.metadata.JPAMetaDataHandler
  • org.datanucleus.jdo.JDOPersistenceManager
  • org.datanucleus.jdo.metadata.AbstractClassMetadataImpl
  • org.datanucleus.jdo.metadata.JDOAnnotationReader
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