Object aService, Scope aScope) {
LOG.info("Interface '" + getQualifiedName() + "."
+ aDescriptor.getName() + "' started.");
- _remaining.get().remove(aDescriptor);
+ if ( !_remaining.get().remove(aDescriptor) ) {
+ throw new SystemAssemblyException("Component '" + getQualifiedName() + "' started an unexpected interface '" +
+ aDescriptor + "' that was not registerd as a provided interface before");
+ }
aScope.publishInterface(aDescriptor, aService);
}
--- /dev/null
+/*
+ * Copyright 2008 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.wamblee.system.components;
+
+import java.util.Properties;
+
+import org.wamblee.persistence.Database;
+import org.wamblee.persistence.DerbyDatabase;
+import org.wamblee.system.components.ORMappingConfig.DatabaseType;
+import org.wamblee.system.core.AbstractComponent;
+import org.wamblee.system.core.DefaultProvidedInterface;
+import org.wamblee.system.core.ProvidedInterface;
+import org.wamblee.system.core.Scope;
+
+public class DatabaseComponent extends AbstractComponent<Database> {
+
+ private static ProvidedInterface DB_PROPS = new DefaultProvidedInterface("dbProps", Properties.class);
+
+ private Database _database;
+
+ public DatabaseComponent(String aName, Database aDatabase) {
+ super(aName);
+ _database = aDatabase;
+ addProvidedInterface(DB_PROPS);
+ }
+
+ @Override
+ protected Database doStart(Scope aScope) {
+ _database.start();
+
+ Properties props = new Properties();
+ if ( _database instanceof DerbyDatabase ) {
+ props.put("database.type", DatabaseType.DERBY.toString());
+ } else {
+ throw new IllegalArgumentException("Unknown database type " + _database);
+ }
+ props.put("database.driver", _database.getDriverClassName());
+ props.put("database.url", _database.getJdbcUrl());
+ props.put("database.username", _database.getUsername());
+ props.put("database.password", _database.getPassword());
+
+ addInterface(DB_PROPS, props, aScope);
+ return _database;
+ }
+
+ @Override
+ protected void doStop(Database aRuntime) {
+ _database.stop();
+ }
+
+}
package org.wamblee.system.components;
import org.wamblee.io.ClassPathResource;
+import org.wamblee.persistence.DerbyDatabase;
import org.wamblee.system.core.Container;
public class DatabaseComponentFactory {
public static void addDatabaseConfig(Container aContainer) {
try {
+ /*
aContainer
.addComponent(new PropertyComponent(
"dbProps",
new ClassPathResource(
"properties/test.org.wamblee.security.database.properties")));
+ */
+ aContainer.addComponent(new DatabaseComponent("db",
+ new DerbyDatabase()));
} catch (Exception e) {
throw new RuntimeException("Could not add database configuration",
e);
}
fail();
}
+
+ public void testUnexpectedServicesStarted() {
+ try {
+ Component component = new AbstractComponent("xx",
+ new ProvidedInterface[0], new RequiredInterface[0]) {
+ @Override
+ protected Object doStart(Scope aScope) {
+ addInterface(new DefaultProvidedInterface("x", Integer.class), 100, aScope);
+ return null;
+ }
+
+ @Override
+ protected void doStop(Object aRuntime) {
+ // Empty.
+ }
+ };
+ component.start(new DefaultScope(component.getProvidedInterfaces()));
+ } catch (SystemAssemblyException e) {
+ //e.printStackTrace();
+ return;
+ }
+ fail();
+ }
}