Examples with ExecutionFactory org.teiid.translator.ExecutionFactory used on opensource projects

Example 26 with ExecutionFactory

use of org.teiid.translator.ExecutionFactory in project teiid by teiid.

the class TestLocalConnections method oneTimeSetup.

@SuppressWarnings("serial")
@BeforeClass
public static void oneTimeSetup() throws Exception {
    server.setUseCallingThread(true);
    server.setConnectorManagerRepository(new ConnectorManagerRepository() {

        @Override
        public ConnectorManager getConnectorManager(String connectorName) {
            return new ConnectorManager(connectorName, connectorName) {

                @Override
                public ExecutionFactory<Object, Object> getExecutionFactory() {
                    return new ExecutionFactory<Object, Object>() {

                        @Override
                        public boolean isSourceRequired() {
                            return false;
                        }

                        @Override
                        public Execution createExecution(Command command, ExecutionContext executionContext, RuntimeMetadata metadata, Object connection) throws TranslatorException {
                            return new ResultSetExecution() {

                                boolean returnedRow = false;

                                @Override
                                public void execute() throws TranslatorException {
                                    lock.lock();
                                    try {
                                        sourceCounter.release();
                                        if (!wait.await(5, TimeUnit.SECONDS)) {
                                            throw new RuntimeException();
                                        }
                                    } catch (InterruptedException e) {
                                        throw new RuntimeException(e);
                                    } finally {
                                        lock.unlock();
                                    }
                                }

                                @Override
                                public void close() {
                                }

                                @Override
                                public void cancel() throws TranslatorException {
                                }

                                @Override
                                public List<?> next() throws TranslatorException, DataNotAvailableException {
                                    if (returnedRow) {
                                        return null;
                                    }
                                    returnedRow = true;
                                    return new ArrayList<Object>(Collections.singleton(null));
                                }
                            };
                        }
                    };
                }

                @Override
                public Object getConnectionFactory() throws TranslatorException {
                    return null;
                }
            };
        }
    });
    FunctionMethod function = new FunctionMethod("foo", null, FunctionCategoryConstants.MISCELLANEOUS, PushDown.CANNOT_PUSHDOWN, TestLocalConnections.class.getName(), "blocking", null, new FunctionParameter("result", DataTypeManager.DefaultDataTypes.INTEGER), false, FunctionMethod.Determinism.NONDETERMINISTIC);
    HashMap<String, Collection<FunctionMethod>> udfs = new HashMap<String, Collection<FunctionMethod>>();
    udfs.put("test", Arrays.asList(function));
    server.deployVDB("PartsSupplier", UnitTestUtil.getTestDataPath() + "/PartsSupplier.vdb", new DeployVDBParameter(udfs, null));
}

Example 27 with ExecutionFactory

use of org.teiid.translator.ExecutionFactory in project teiid by teiid.

the class TestExecutionReuse method oneTimeSetUp.

@BeforeClass
public static void oneTimeSetUp() throws Exception {
    EmbeddedConfiguration config = new EmbeddedConfiguration();
    config.setUserRequestSourceConcurrency(1);
    server = new FakeServer(false);
    server.setConnectorManagerRepository(new ConnectorManagerRepository() {

        private ConnectorManager cm = new ConnectorManager("x", "y") {

            private ExecutionFactory<Object, Object> ef = new ExecutionFactory<Object, Object>() {

                @Override
                public ResultSetExecution createResultSetExecution(QueryExpression command, ExecutionContext executionContext, RuntimeMetadata metadata, Object connection) throws TranslatorException {
                    ec = executionContext;
                    return execution;
                }

                public boolean isSourceRequired() {
                    return false;
                }
            };

            @Override
            public ExecutionFactory<Object, Object> getExecutionFactory() {
                return ef;
            }

            @Override
            public Object getConnectionFactory() throws TranslatorException {
                return null;
            }
        };

        @Override
        public ConnectorManager getConnectorManager(String connectorName) {
            return cm;
        }
    });
    server.start(config, false);
    server.deployVDB("PartsSupplier", UnitTestUtil.getTestDataPath() + "/PartsSupplier.vdb");
}

Example 28 with ExecutionFactory

use of org.teiid.translator.ExecutionFactory in project teiid by teiid.

the class TestResultsCache method testScope.

@Test
public void testScope() throws Exception {
    ModelMetaData mmd = new ModelMetaData();
    mmd.setName("x");
    mmd.addProperty("teiid_rel:determinism", "USER_DETERMINISTIC");
    mmd.addSourceMapping("x", "x", null);
    mmd.addSourceMetadata("ddl", "create foreign table t (c string); create foreign procedure p () returns table (c string);");
    final AtomicBoolean setScope = new AtomicBoolean();
    server.addTranslator("x", new ExecutionFactory() {

        @Override
        public boolean isSourceRequired() {
            return false;
        }

        @Override
        public ResultSetExecution createResultSetExecution(QueryExpression command, final ExecutionContext executionContext, RuntimeMetadata metadata, Object connection) throws TranslatorException {
            return createProcedureExecution(null, executionContext, metadata, connection);
        }

        @Override
        public ProcedureExecution createProcedureExecution(Call command, final ExecutionContext executionContext, RuntimeMetadata metadata, Object connection) throws TranslatorException {
            return new ProcedureExecution() {

                boolean returned = false;

                @Override
                public void execute() throws TranslatorException {
                }

                @Override
                public void close() {
                }

                @Override
                public void cancel() throws TranslatorException {
                }

                @Override
                public List<?> next() throws TranslatorException, DataNotAvailableException {
                    if (setScope.get()) {
                        // prevent caching altogether
                        executionContext.setScope(Scope.SESSION);
                    }
                    if (returned) {
                        return null;
                    }
                    returned = true;
                    return Arrays.asList(executionContext.getSession().getSessionId());
                }

                @Override
                public List<?> getOutputParameterValues() throws TranslatorException {
                    return null;
                }
            };
        }
    });
    server.deployVDB("x", mmd);
    Connection c = server.getDriver().connect("jdbc:teiid:x;user=alice", null);
    Statement s = c.createStatement();
    ResultSet rs = s.executeQuery("/* cache */ select * from t");
    assertTrue(rs.next());
    String sessionid = rs.getString(1);
    // should be the same with same user/session
    rs = s.executeQuery("/* cache */ select * from t");
    assertTrue(rs.next());
    assertEquals(sessionid, rs.getString(1));
    c.close();
    c = server.getDriver().connect("jdbc:teiid:x;user=alice", null);
    s = c.createStatement();
    rs = s.executeQuery("/* cache */ select * from t");
    assertTrue(rs.next());
    assertEquals(sessionid, rs.getString(1));
    c.close();
    // for the final test
    setScope.set(true);
    // should be different with another user
    c = server.getDriver().connect("jdbc:teiid:x;user=bill", null);
    s = c.createStatement();
    rs = s.executeQuery("/* cache */ select * from t");
    assertTrue(rs.next());
    String sessionid1 = rs.getString(1);
    c.close();
    assertNotEquals(sessionid, sessionid1);
    c = server.getDriver().connect("jdbc:teiid:x;user=bill", null);
    s = c.createStatement();
    rs = s.executeQuery("/* cache */ select * from t");
    assertTrue(rs.next());
    // scope session should prevent reuse
    assertNotEquals(sessionid1, rs.getString(1));
    setScope.set(false);
    rs = s.executeQuery("/* cache */ call p()");
    assertTrue(rs.next());
    sessionid = rs.getString(1);
    c.close();
    c = server.getDriver().connect("jdbc:teiid:x;user=alice", null);
    s = c.createStatement();
    rs = s.executeQuery("/* cache */ call p()");
    assertTrue(rs.next());
    assertNotEquals(sessionid, rs.getString(1));
    c.close();
}

Example 29 with ExecutionFactory

use of org.teiid.translator.ExecutionFactory in project wildfly-swarm by wildfly-swarm.

the class TranslatorCustomizer method loadTranslators.

@SuppressWarnings("rawtypes")
private void loadTranslators(String moduleName) {
    ClassLoader translatorLoader = this.getClass().getClassLoader();
    try {
        final Module module = Module.getBootModuleLoader().loadModule(moduleName);
        if (module != null) {
            translatorLoader = module.getClassLoader();
            final ServiceLoader<ExecutionFactory> serviceLoader = ServiceLoader.load(ExecutionFactory.class, translatorLoader);
            if (serviceLoader != null) {
                for (ExecutionFactory ef : serviceLoader) {
                    Translator t = ef.getClass().getAnnotation(Translator.class);
                    fraction.translator(t.name(), x -> x.module(moduleName));
                }
            }
        }
    } catch (ModuleLoadException e) {
    // no-op
    }
}