Examples of org.apache.cayenne.access.DataNode

org.apache.cayenne.access.DataNode
An abstraction of a single physical data storage. This is usually a database server, but can potentially be some other storage type like an LDAP server, etc.

     * node class.
     * 
     * @since 1.
     */
    protected DataNode createDataNode(String nodeName) {
        return new DataNode(nodeName);
    }

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            logger.info("Warning: <node> '"
                    + nodeName
                    + "' has no 'schema-update-strategy'.");
        }


        DataNode node = createDataNode(nodeName);


        node.setDataSourceFactory(factory);
        node.setDataSourceLocation(dataSource);
        node.setSchemaUpdateStrategyName(schemaUpdateStrategy);


        SchemaUpdateStrategy confSchema = config.getSchemaUpdateStrategy();
        ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
        SchemaUpdateStrategy localSchema;
        try {
            localSchema = (confSchema != null)
                    ? confSchema
                    : (SchemaUpdateStrategy) Class.forName(
                            schemaUpdateStrategy,
                            true,
                            classLoader).newInstance();
            node.setSchemaUpdateStrategy(localSchema);
        }
        catch (InstantiationException e) {
            logger.info("Error: ", e);
        }
        catch (IllegalAccessException e) {
            logger.info("Error: ", e);
        }
        catch (ClassNotFoundException e) {
            logger.info("Error: ", e);
        }


        // load DataSource
        try {


            // use DomainHelper factory if it exists, if not - use factory specified
            // in configuration data
            DataSourceFactory confFactory = config.getDataSourceFactory(factory);
            DataSourceFactory localFactory = (confFactory != null)
                    ? confFactory
                    : (DataSourceFactory) Class.forName(factory).newInstance();


            logger.info("using factory: " + localFactory.getClass().getName());


            localFactory.initializeWithParentConfiguration(config);
            DataSource ds = localFactory.getDataSource(dataSource);
            if (ds != null) {
                logger.info("loaded datasource.");
                node.setDataSource(ds);
            }
            else {
                logger.info("Warning: null datasource.");
                getStatus().getFailedDataSources().put(nodeName, dataSource);
            }

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            throw new ConfigurationException("<map-ref> has no 'name'.");
        }


        logger.info("loaded map-ref: " + mapName + ".");
        DataMap map = null;
        DataNode node = null;


        try {
            map = findMap(domainName, mapName);
        }
        catch (FindException ex) {
            logger.info("Error: unknown map: " + mapName);
            getStatus().addFailedMapRefs(mapName, "unknown map: " + mapName);
            return;
        }


        try {
            node = findNode(domainName, nodeName);
        }
        catch (FindException ex) {
            logger.info("Error: unknown node: " + nodeName);
            getStatus().addFailedMapRefs(mapName, "unknown node: " + nodeName);
            return;
        }


        node.addDataMap(map);
    }

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    }


    @Override
    public void execute(MergerContext mergerContext) {
        try {
            DataNode node = mergerContext.getDataNode();
            DbAdapter adapter = mergerContext.getAdapter();
            adapter.getPkGenerator().createAutoPk(
                    node,
                    Collections.singletonList(getEntity()));
            executeSql(mergerContext, adapter.createTable(getEntity()));

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        if (sort) {
            nodes = Util.sortedIterator(nodes, ProjectTraversal.dataNodeComparator);
        }


        while (nodes.hasNext()) {
            DataNode node = (DataNode) nodes.next();
            ProjectPath nodePath = path.appendToPath(node);
            handler.projectNode(nodePath);


            if (handler.shouldReadChildren(node, path)) {
                this.traverseMaps(node.getDataMaps().iterator(), nodePath);
            }
        }
    }

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        if (sort) {
            nodes = Util.sortedIterator(nodes, ProjectTraversal.dataNodeComparator);
        }


        while (nodes.hasNext()) {
            DataNode node = (DataNode) nodes.next();
            ProjectPath nodePath = path.appendToPath(node);
            handler.projectNode(nodePath);


            if (handler.shouldReadChildren(node, path)) {
                this.traverseMaps(node.getDataMaps().iterator(), nodePath);
            }
        }
    }

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            return "UntitledDataNode";
        }


        @Override
        protected Object create(String name, Object namingContext) {
            return new DataNode(name);
        }

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        if (sort) {
            nodes = Util.sortedIterator(nodes, ProjectTraversal.dataNodeComparator);
        }


        while (nodes.hasNext()) {
            DataNode node = (DataNode) nodes.next();
            ProjectPath nodePath = path.appendToPath(node);
            handler.projectNode(nodePath);


            if (handler.shouldReadChildren(node, path)) {
                this.traverseMaps(node.getDataMaps().iterator(), nodePath);
            }
        }
    }

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            throw new ConfigurationException("<map-ref> has no 'name'.");
        }


        logger.info("loaded map-ref: " + mapName + ".");
        DataMap map = null;
        DataNode node = null;


        try {
            map = findMap(domainName, mapName);
        }
        catch (FindException ex) {
            logger.info("Error: unknown map: " + mapName);
            getStatus().addFailedMapRefs(mapName, "unknown map: " + mapName);
            return;
        }


        try {
            node = findNode(domainName, nodeName);
        }
        catch (FindException ex) {
            logger.info("Error: unknown node: " + nodeName);
            getStatus().addFailedMapRefs(mapName, "unknown node: " + nodeName);
            return;
        }


        node.addDataMap(map);
    }

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            if (domainObj == null) {
                throw new ProjectException("Project has no domains configured.");
            }
        }


        DataNode node = domainObj.getNode(name);
        if (node == null) {
            throw new ProjectException(
                "Domain "
                    + domainObj.getName()
                    + " has no node named '"

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Related Classes of org.apache.cayenne.access.DataNode

net.bnubot.db.conf.SchemaValidator

org.apache.cayenne.access.dbsync.SchemaUpdateStrategyTest

org.apache.cayenne.access.jdbc.BatchAction

org.apache.cayenne.access.jdbc.ProcedureAction

org.apache.cayenne.access.jdbc.RowDescriptor

org.apache.cayenne.access.jdbc.SelectAction

org.apache.cayenne.access.jdbc.UpdateAction

org.apache.cayenne.access.util.PrimaryKeyHelper

org.apache.cayenne.CayenneDataObject

org.apache.cayenne.conf.RuntimeLoadDelegate

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