Examples with MetaDataManager org.datanucleus.metadata.MetaDataManager used on opensource projects

Example 56 with MetaDataManager

use of org.datanucleus.metadata.MetaDataManager in project datanucleus-api-jdo by datanucleus.

the class JDOReplicationManager method replicateRegisteredClasses.

/**
 * Method to perform the replication for all objects registered in the pmf source.
 */
public void replicateRegisteredClasses() {
    ClassLoaderResolver clr = ((JDOPersistenceManager) pmfSource.getPersistenceManager()).getExecutionContext().getClassLoaderResolver();
    MetaDataManager mmgr = ((JDOPersistenceManagerFactory) pmfSource).getNucleusContext().getMetaDataManager();
    Collection classNames = mmgr.getClassesWithMetaData();
    ArrayList arrayTypes = new ArrayList();
    Iterator iterator = classNames.iterator();
    while (iterator.hasNext()) {
        String className = (String) iterator.next();
        AbstractClassMetaData cmd = mmgr.getMetaDataForClass(className, clr);
        if (// Omit embedded-only classes since can't replicate those
        !cmd.isEmbeddedOnly()) {
            arrayTypes.add(clr.classForName(className));
        }
    }
    replicate((Class[]) arrayTypes.toArray(new Class[arrayTypes.size()]));
}

Example 57 with MetaDataManager

use of org.datanucleus.metadata.MetaDataManager in project datanucleus-api-jdo by datanucleus.

the class JDOReplicationManager method replicate.

/**
 * Method to perform the replication for all objects of the specified types.
 * @param types Classes to replicate
 */
public void replicate(Class... types) {
    if (NucleusLogger.PERSISTENCE.isDebugEnabled()) {
        NucleusLogger.PERSISTENCE.debug(Localiser.msg("012052", pmfSource, pmfTarget, StringUtils.objectArrayToString(types)));
    }
    // Check if classes are detachable
    NucleusContext nucleusCtxSource = ((JDOPersistenceManagerFactory) pmfSource).getNucleusContext();
    MetaDataManager mmgr = nucleusCtxSource.getMetaDataManager();
    ClassLoaderResolver clr = nucleusCtxSource.getClassLoaderResolver(null);
    for (int i = 0; i < types.length; i++) {
        AbstractClassMetaData cmd = mmgr.getMetaDataForClass(types[i], clr);
        if (!cmd.isDetachable()) {
            throw new JDOUserException("Class " + types[i] + " is not detachable so cannot replicate");
        }
    }
    Object[] detachedObjects = null;
    // Detach from datastore 1
    if (NucleusLogger.PERSISTENCE.isDebugEnabled()) {
        NucleusLogger.PERSISTENCE.debug(Localiser.msg("012053"));
    }
    PersistenceManager pm1 = pmfSource.getPersistenceManager();
    Transaction tx1 = pm1.currentTransaction();
    if (getBooleanProperty("datanucleus.replicateObjectGraph")) {
        pm1.getFetchPlan().setGroup(javax.jdo.FetchPlan.ALL);
        pm1.getFetchPlan().setMaxFetchDepth(-1);
    }
    try {
        tx1.begin();
        ArrayList objects = new ArrayList();
        for (int i = 0; i < types.length; i++) {
            AbstractClassMetaData cmd = mmgr.getMetaDataForClass(types[i], clr);
            if (!cmd.isEmbeddedOnly()) {
                Extent ex = pm1.getExtent(types[i]);
                Iterator iter = ex.iterator();
                while (iter.hasNext()) {
                    objects.add(iter.next());
                }
            }
        }
        Collection detachedColl = pm1.detachCopyAll(objects);
        detachedObjects = detachedColl.toArray();
        tx1.commit();
    } finally {
        if (tx1.isActive()) {
            tx1.rollback();
        }
        pm1.close();
    }
    replicateInTarget(detachedObjects);
}

Example 58 with MetaDataManager

use of org.datanucleus.metadata.MetaDataManager in project datanucleus-core by datanucleus.

the class PersistenceNucleusContextImpl method initialiseNamedQueries.

/**
 * Method to compile all registered named queries (when the user has initialised using a persistence-unit).
 * @param clr ClassLoader resolver
 */
protected void initialiseNamedQueries(ClassLoaderResolver clr) {
    MetaDataManager mmgr = getMetaDataManager();
    Set<String> queryNames = mmgr.getNamedQueryNames();
    if (queryNames != null) {
        // Compile all named queries of JDOQL/JPQL language using dummy ExecutionContext
        ExecutionContext ec = getExecutionContext(null, null);
        for (String queryName : queryNames) {
            QueryMetaData qmd = mmgr.getMetaDataForQuery(null, clr, queryName);
            if (qmd.getLanguage().equals(QueryLanguage.JPQL.toString()) || qmd.getLanguage().equals(QueryLanguage.JDOQL.toString())) {
                if (NucleusLogger.QUERY.isDebugEnabled()) {
                    NucleusLogger.QUERY.debug(Localiser.msg("008017", queryName, qmd.getQuery()));
                }
                org.datanucleus.store.query.Query q = storeMgr.newQuery(qmd.getLanguage().toString(), ec, qmd.getQuery());
                q.compile();
                q.closeAll();
            }
        }
        ec.close();
    }
}

Example 59 with MetaDataManager

use of org.datanucleus.metadata.MetaDataManager in project datanucleus-core by datanucleus.

the class PersistenceNucleusContextImpl method initialiseSchema.

/**
 * Method to handle generation (create, drop, drop+create) of a schema at initialisation.
 * Will generate the schema for all classes that have had their metadata loaded at this point, which
 * typically means the persistence-unit.
 * @param generateModeStr Generate "mode"
 * @param generateScripts Whether to generate
 */
protected void initialiseSchema(String generateModeStr, boolean generateScripts) {
    Mode mode = null;
    if (generateModeStr.equalsIgnoreCase("create")) {
        mode = Mode.CREATE;
    } else if (generateModeStr.equalsIgnoreCase("drop")) {
        mode = Mode.DELETE;
    } else if (generateModeStr.equalsIgnoreCase("drop-and-create")) {
        mode = Mode.DELETE_CREATE;
    }
    if (NucleusLogger.DATASTORE_SCHEMA.isDebugEnabled()) {
        if (mode == Mode.CREATE) {
            NucleusLogger.DATASTORE_SCHEMA.debug(Localiser.msg("014000"));
        } else if (mode == Mode.DELETE) {
            NucleusLogger.DATASTORE_SCHEMA.debug(Localiser.msg("014001"));
        } else if (mode == Mode.DELETE_CREATE) {
            NucleusLogger.DATASTORE_SCHEMA.debug(Localiser.msg("014045"));
        }
    }
    // Extract the classes that have metadata loaded (e.g persistence-unit)
    Set<String> schemaClassNames = null;
    MetaDataManager metaDataMgr = getMetaDataManager();
    FileMetaData[] filemds = metaDataMgr.getFileMetaData();
    schemaClassNames = new TreeSet<String>();
    if (filemds == null) {
        throw new NucleusUserException("No classes to process in generateSchema");
    }
    for (int i = 0; i < filemds.length; i++) {
        for (int j = 0; j < filemds[i].getNoOfPackages(); j++) {
            for (int k = 0; k < filemds[i].getPackage(j).getNoOfClasses(); k++) {
                String className = filemds[i].getPackage(j).getClass(k).getFullClassName();
                if (!schemaClassNames.contains(className)) {
                    schemaClassNames.add(className);
                }
            }
        }
    }
    StoreManager storeMgr = getStoreManager();
    if (storeMgr instanceof SchemaAwareStoreManager) {
        SchemaAwareStoreManager schemaStoreMgr = (SchemaAwareStoreManager) storeMgr;
        SchemaTool schemaTool = new SchemaTool();
        if (mode == Mode.CREATE) {
            if (generateScripts) {
                // Generate the required script
                schemaTool.setDdlFile(config.getStringProperty(PropertyNames.PROPERTY_SCHEMA_GENERATE_SCRIPTS_CREATE_TARGET));
                schemaTool.createSchemaForClasses(schemaStoreMgr, schemaClassNames);
            } else {
                // Process the required metadata/script
                String createOrder = config.getStringProperty(PropertyNames.PROPERTY_SCHEMA_GENERATE_CREATE_ORDER);
                String createScript = config.getStringProperty(PropertyNames.PROPERTY_SCHEMA_GENERATE_SCRIPTS_CREATE_SOURCE);
                if (StringUtils.isWhitespace(createScript)) {
                    createScript = null;
                }
                if (StringUtils.isWhitespace(createOrder)) {
                    createOrder = (createScript != null) ? "script" : "metadata";
                } else {
                    if (createOrder.equals("script") || createOrder.equals("metadata-then-script") || createOrder.equals("script-the-metadata")) {
                        if (createScript == null) {
                            NucleusLogger.DATASTORE_SCHEMA.warn("create order set to " + createOrder + " but no script defined, so using metadata instead");
                            createOrder = "metadata";
                        }
                    }
                }
                if (createOrder.equals("script")) {
                    processDatastoreScript(createScript);
                } else if (createOrder.equals("script-then-metadata")) {
                    processDatastoreScript(createScript);
                    schemaTool.createSchemaForClasses(schemaStoreMgr, schemaClassNames);
                } else if (createOrder.equals("metadata-then-script")) {
                    schemaTool.createSchemaForClasses(schemaStoreMgr, schemaClassNames);
                    processDatastoreScript(createScript);
                } else {
                    schemaTool.createSchemaForClasses(schemaStoreMgr, schemaClassNames);
                }
            }
        } else if (mode == Mode.DELETE) {
            if (generateScripts) {
                // Generate the required script
                schemaTool.setDdlFile(config.getStringProperty(PropertyNames.PROPERTY_SCHEMA_GENERATE_SCRIPTS_DROP_TARGET));
                schemaTool.deleteSchemaForClasses(schemaStoreMgr, schemaClassNames);
            } else {
                // Process the required metadata/script
                String dropOrder = config.getStringProperty(PropertyNames.PROPERTY_SCHEMA_GENERATE_DROP_ORDER);
                String dropScript = config.getStringProperty(PropertyNames.PROPERTY_SCHEMA_GENERATE_SCRIPTS_DROP_SOURCE);
                if (StringUtils.isWhitespace(dropScript)) {
                    dropScript = null;
                }
                if (StringUtils.isWhitespace(dropOrder)) {
                    dropOrder = (dropScript != null) ? "script" : "metadata";
                } else {
                    if (dropOrder.equals("script") || dropOrder.equals("metadata-then-script") || dropOrder.equals("script-the-metadata")) {
                        if (dropScript == null) {
                            NucleusLogger.DATASTORE_SCHEMA.warn("drop order set to " + dropOrder + " but no script defined, so using metadata instead");
                            dropOrder = "metadata";
                        }
                    }
                }
                if (dropOrder.equals("script")) {
                    processDatastoreScript(dropScript);
                } else if (dropOrder.equals("script-then-metadata")) {
                    processDatastoreScript(dropScript);
                    schemaTool.deleteSchemaForClasses(schemaStoreMgr, schemaClassNames);
                } else if (dropOrder.equals("metadata-then-script")) {
                    schemaTool.deleteSchemaForClasses(schemaStoreMgr, schemaClassNames);
                    processDatastoreScript(dropScript);
                } else {
                    schemaTool.deleteSchemaForClasses(schemaStoreMgr, schemaClassNames);
                }
            }
        } else if (mode == Mode.DELETE_CREATE) {
            if (generateScripts) {
                // Generate the required scripts
                schemaTool.setDdlFile(config.getStringProperty(PropertyNames.PROPERTY_SCHEMA_GENERATE_SCRIPTS_DROP_TARGET));
                schemaTool.deleteSchemaForClasses(schemaStoreMgr, schemaClassNames);
                schemaTool.setDdlFile(config.getStringProperty(PropertyNames.PROPERTY_SCHEMA_GENERATE_SCRIPTS_CREATE_TARGET));
                schemaTool.createSchemaForClasses(schemaStoreMgr, schemaClassNames);
            } else {
                // Process the required metadata/scripts
                String dropOrder = config.getStringProperty(PropertyNames.PROPERTY_SCHEMA_GENERATE_DROP_ORDER);
                String dropScript = config.getStringProperty(PropertyNames.PROPERTY_SCHEMA_GENERATE_SCRIPTS_DROP_SOURCE);
                if (StringUtils.isWhitespace(dropScript)) {
                    dropScript = null;
                }
                if (StringUtils.isWhitespace(dropOrder)) {
                    dropOrder = (dropScript != null) ? "script" : "metadata";
                } else {
                    if (dropOrder.equals("script") || dropOrder.equals("metadata-then-script") || dropOrder.equals("script-the-metadata")) {
                        if (dropScript == null) {
                            NucleusLogger.DATASTORE_SCHEMA.warn("drop order set to " + dropOrder + " but no script defined, so using metadata instead");
                            dropOrder = "metadata";
                        }
                    }
                }
                if (dropOrder.equals("script")) {
                    processDatastoreScript(dropScript);
                } else if (dropOrder.equals("script-then-metadata")) {
                    processDatastoreScript(dropScript);
                    schemaTool.deleteSchemaForClasses(schemaStoreMgr, schemaClassNames);
                } else if (dropOrder.equals("metadata-then-script")) {
                    schemaTool.deleteSchemaForClasses(schemaStoreMgr, schemaClassNames);
                    processDatastoreScript(dropScript);
                } else {
                    schemaTool.deleteSchemaForClasses(schemaStoreMgr, schemaClassNames);
                }
                String createOrder = config.getStringProperty(PropertyNames.PROPERTY_SCHEMA_GENERATE_CREATE_ORDER);
                String createScript = config.getStringProperty(PropertyNames.PROPERTY_SCHEMA_GENERATE_SCRIPTS_CREATE_SOURCE);
                if (StringUtils.isWhitespace(createScript)) {
                    createScript = null;
                }
                if (StringUtils.isWhitespace(createOrder)) {
                    createOrder = (createScript != null) ? "script" : "metadata";
                } else {
                    if (createOrder.equals("script") || createOrder.equals("metadata-then-script") || createOrder.equals("script-the-metadata")) {
                        if (createScript == null) {
                            NucleusLogger.DATASTORE_SCHEMA.warn("create order set to " + createOrder + " but no script defined, so using metadata instead");
                            createOrder = "metadata";
                        }
                    }
                }
                if (createOrder.equals("script")) {
                    processDatastoreScript(createScript);
                } else if (createOrder.equals("script-then-metadata")) {
                    processDatastoreScript(createScript);
                    schemaTool.createSchemaForClasses(schemaStoreMgr, schemaClassNames);
                } else if (createOrder.equals("metadata-then-script")) {
                    schemaTool.createSchemaForClasses(schemaStoreMgr, schemaClassNames);
                    processDatastoreScript(createScript);
                } else {
                    schemaTool.createSchemaForClasses(schemaStoreMgr, schemaClassNames);
                }
            }
        }
        String loadScript = config.getStringProperty(PropertyNames.PROPERTY_SCHEMA_GENERATE_SCRIPTS_LOAD_SOURCE);
        if (!StringUtils.isWhitespace(loadScript)) {
            String scriptContent = getDatastoreScriptForResourceName(loadScript);
            if (storeMgr instanceof SchemaScriptAwareStoreManager && !StringUtils.isWhitespace(scriptContent)) {
                ((SchemaScriptAwareStoreManager) storeMgr).executeScript(scriptContent);
            }
        }
    } else {
        if (NucleusLogger.DATASTORE_SCHEMA.isDebugEnabled()) {
            NucleusLogger.DATASTORE_SCHEMA.debug(Localiser.msg("008016", StringUtils.toJVMIDString(storeMgr)));
        }
    }
    if (NucleusLogger.DATASTORE_SCHEMA.isDebugEnabled()) {
        NucleusLogger.DATASTORE_SCHEMA.debug(Localiser.msg("014043"));
    }
}

Example 60 with MetaDataManager

use of org.datanucleus.metadata.MetaDataManager in project tests by datanucleus.

the class AnnotationPlusXMLTest method testOneToManyBiJoin.

/**
 * Test of JPA 1-N unidir FK relation.
 * This is really a 1-N uni join since JPA doesnt support 1-N uni FK.
 */
/*public void testOneToManyUniFK()
    {
        NucleusContext nucleusCtx = new NucleusContext("JPA", null);
        ClassLoaderResolver clr = new ClassLoaderResolverImpl();
        MetaDataManager metaDataMgr = new JPAMetaDataManager(pmfcontext);
        PersistenceUnitMetaData pumd = metaDataMgr.getMetaDataForPersistenceUnit("JPATest");
        metaDataMgr.initialise(pumd, clr);

        // owner side
        ClassMetaData cmd1 = (ClassMetaData)metaDataMgr.getMetaDataForClass(Site.class.getName(), clr);
        AbstractMemberMetaData fmd1 = cmd1.getMetaDataForMember("offices");
        assertNotNull("Site.offices is null!", fmd1);
        assertEquals("Site.offices mapped-by is incorrect", fmd1.getMappedBy(), null);
        assertEquals("Site.offices relationType is incorrect",
            fmd1.getRelationType(clr), Relation.ONE_TO_MANY_UNI);
        assertEquals("Site.offices jointable name is incorrect", fmd1.getTable(), null);
        assertNotNull("Site.offices should have join but doesnt", fmd1.getJoinMetaData());

        ElementMetaData elemmd = fmd1.getElementMetaData();
        assertNotNull("Site.offices has no element column info but should", elemmd);
        ColumnMetaData[] colmds = elemmd.getColumnMetaData();
        assertNotNull("Site.offices has incorrect element columns", colmds);
        assertEquals("Site.offices has incorrect number of element columns", colmds.length, 1);
        assertEquals("Site.offices has incorrect element column name", colmds[0].getName(), "SITE_ID");
    }*/
/**
 * Test of JPA 1-N bidir JoinTable relation
 */
public void testOneToManyBiJoin() {
    NucleusContext nucleusCtx = new PersistenceNucleusContextImpl("JPA", null);
    ClassLoaderResolver clr = nucleusCtx.getClassLoaderResolver(null);
    MetaDataManager metaDataMgr = new JPAMetaDataManager(nucleusCtx);
    PersistenceUnitMetaData pumd = getMetaDataForPersistenceUnit(nucleusCtx, "JPATest");
    metaDataMgr.loadPersistenceUnit(pumd, null);
    // owner side
    ClassMetaData cmd1 = (ClassMetaData) metaDataMgr.getMetaDataForClass(Manager.class.getName(), clr);
    assertEquals("Manager has incorrect table name", cmd1.getTable(), "JPA_AX_MANAGER");
    AbstractMemberMetaData fmd1 = cmd1.getMetaDataForMember("subordinates");
    assertNotNull("Manager.subordinates is null!", fmd1);
    assertEquals("Manager.subordinates mapped-by is incorrect", fmd1.getMappedBy(), "manager");
    assertEquals("Manager.subordinates relationType is incorrect", fmd1.getRelationType(clr), RelationType.ONE_TO_MANY_BI);
    assertEquals("Manager.subordinates jointable name is incorrect", fmd1.getTable(), "JPA_AX_MGR_EMPLOYEES");
    // non-owner side
    ClassMetaData cmd2 = (ClassMetaData) metaDataMgr.getMetaDataForClass(Employee.class.getName(), clr);
    assertEquals("Employee has incorrect table name", cmd2.getTable(), "JPA_AX_EMPLOYEE");
    AbstractMemberMetaData fmd2 = cmd2.getMetaDataForMember("manager");
    assertNotNull("Employee.manager is null!", fmd2);
    assertEquals("Employee.manager mapped-by is incorrect", fmd2.getMappedBy(), null);
    assertEquals("Employee.manager relationType is incorrect", fmd2.getRelationType(clr), RelationType.MANY_TO_ONE_BI);
    assertEquals("Employee.manager jointable name is incorrect", fmd2.getTable(), null);
    // join-table
    JoinMetaData joinmd = fmd1.getJoinMetaData();
    assertNotNull("Manager.subordinates has no join table!", joinmd);
    assertNotNull("Manager.subordinates has incorrect join columns", joinmd.getColumnMetaData());
    assertEquals("Manager.subordinates has incorrect number of join columns", 1, joinmd.getColumnMetaData().length);
    assertEquals("Manager.subordinates has incorrect owner join column name", "MGR_ID", joinmd.getColumnMetaData()[0].getName());
    ElementMetaData elemmd = fmd1.getElementMetaData();
    assertNotNull("Manager.subordinates has no element column info but should", elemmd);
    assertNotNull("Manager.subordinates has incorrect element columns", elemmd.getColumnMetaData());
    assertEquals("Manager.subordinates has incorrect number of element columns", 1, elemmd.getColumnMetaData().length);
    assertEquals("Manager.subordinates has incorrect element join column name", "EMP_ID", elemmd.getColumnMetaData()[0].getName());
}