From 92d6c9ec0aae5030f1578bad048e927456120df8 Mon Sep 17 00:00:00 2001 From: erik Date: Tue, 27 May 2008 17:28:25 +0000 Subject: [PATCH] Edge filter implemented for explicitly connecting required interfaces. --- ...ConnectExternalProvidedProvidedFilter.java | 73 ++++++++++++++ ...xternalProvidedProvidedEdgeFilterTest.java | 97 +++++++++++++++++++ 2 files changed, 170 insertions(+) create mode 100644 system/general/src/main/java/org/wamblee/system/graph/component/ConnectExternalProvidedProvidedFilter.java create mode 100644 system/general/src/test/java/org/wamblee/system/graph/component/ConnectExternalProvidedProvidedEdgeFilterTest.java diff --git a/system/general/src/main/java/org/wamblee/system/graph/component/ConnectExternalProvidedProvidedFilter.java b/system/general/src/main/java/org/wamblee/system/graph/component/ConnectExternalProvidedProvidedFilter.java new file mode 100644 index 00000000..62b1604d --- /dev/null +++ b/system/general/src/main/java/org/wamblee/system/graph/component/ConnectExternalProvidedProvidedFilter.java @@ -0,0 +1,73 @@ +/* + * 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.graph.component; + +import org.wamblee.system.graph.Edge; +import org.wamblee.system.graph.EdgeFilter; +import org.wamblee.system.graph.EdgeSelector; +import org.wamblee.system.graph.Node; + +/** + * Filter used to explicitly connect required and provided interfaces within a + * container. + * + * @author Erik Brakkee + * + */ +public class ConnectExternalProvidedProvidedFilter implements EdgeFilter { + + private String _externalProvided; + private String _component; + private String _provided; + + public ConnectExternalProvidedProvidedFilter(String aExternalProvided, String aComponent, + String aProvided) { + _externalProvided = aExternalProvided; + _component = aComponent; + _provided = aProvided; + if ( _externalProvided == null ) { + throw new IllegalArgumentException("External provided interface name must be specified."); + } + if ( _component == null ) { + throw new IllegalArgumentException("Component name must be specified"); + } + if ( _provided == null ) { + throw new IllegalArgumentException("Provided interface name of internal component must be specified"); + } + } + + @Override + public boolean isViolated(Edge aEdge) { + if (aEdge.getFrom() instanceof ExternalProvidedInterfaceNode + && aEdge.getTo() instanceof ProvidedInterfaceNode) { + return isViolated((ExternalProvidedInterfaceNode) aEdge.getFrom(), + (ProvidedInterfaceNode) aEdge.getTo()); + } + return false; + } + + private boolean isViolated(ExternalProvidedInterfaceNode aFrom, + ProvidedInterfaceNode aTo) { + if ( !aFrom.getName().equals(_externalProvided)) { + return false; // wrong provided interface. + } + if ( aTo.getComponent().getName().equals(_component) && + aTo.getProvided().getName().equals(_provided) ) { + return false; // ok + } + return true; + } +} diff --git a/system/general/src/test/java/org/wamblee/system/graph/component/ConnectExternalProvidedProvidedEdgeFilterTest.java b/system/general/src/test/java/org/wamblee/system/graph/component/ConnectExternalProvidedProvidedEdgeFilterTest.java new file mode 100644 index 00000000..7d93181b --- /dev/null +++ b/system/general/src/test/java/org/wamblee/system/graph/component/ConnectExternalProvidedProvidedEdgeFilterTest.java @@ -0,0 +1,97 @@ +/* + * 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.graph.component; + +import junit.framework.TestCase; + +import org.wamblee.system.container.Application; +import org.wamblee.system.container.Container; +import org.wamblee.system.core.Component; +import org.wamblee.system.core.DefaultProvidedInterface; +import org.wamblee.system.core.DefaultRequiredInterface; +import org.wamblee.system.core.Environment; +import org.wamblee.system.graph.DefaultEdge; +import org.wamblee.system.graph.DefaultNode; +import org.wamblee.system.graph.Edge; +import org.wamblee.system.graph.EdgeFilter; +import org.wamblee.system.graph.Node; + +public class ConnectExternalProvidedProvidedEdgeFilterTest extends TestCase { + + private Container _container; + private Component _internal; + private String _externalInterfaceName; + private String _internalComponentName; + private String _internalInterfaceName; + private Edge _edge; + + @Override + protected void setUp() throws Exception { + _container = new Container("container") + .addProvidedInterface(new DefaultProvidedInterface("string", + String.class)); + _internal = new Environment("env1"); + + _externalInterfaceName = _container.getProvidedInterfaces()[0] + .getName(); + _internalComponentName = _internal.getName(); + _internalInterfaceName = _internal.getProvidedInterfaces()[0].getName(); + + _edge = new DefaultEdge(new ExternalProvidedInterfaceNode(_container, + _container.getProvidedInterfaces()[0]), + new ProvidedInterfaceNode(_internal, _internal + .getProvidedInterfaces()[0])); + } + + public void testWrongExternal() { + EdgeFilter filter = new ConnectExternalProvidedProvidedFilter( + _externalInterfaceName + "x", _internalComponentName, + _internalInterfaceName); + assertFalse(filter.isViolated(_edge)); + } + + public void testRightExternalWrongComponent() { + EdgeFilter filter = new ConnectExternalProvidedProvidedFilter( + _externalInterfaceName, _internalComponentName + "x", + _internalInterfaceName); + assertTrue(filter.isViolated(_edge)); + } + + public void testRightExternalWrongInternal() { + EdgeFilter filter = new ConnectExternalProvidedProvidedFilter( + _externalInterfaceName, _internalComponentName, + _internalInterfaceName + "x"); + assertTrue(filter.isViolated(_edge)); + } + + public void testEverythingRight() { + EdgeFilter filter = new ConnectExternalProvidedProvidedFilter( + _externalInterfaceName, _internalComponentName, + _internalInterfaceName); + assertFalse(filter.isViolated(_edge)); + } + + + public void testWrongEdgeType() { + EdgeFilter filter = new ConnectExternalProvidedProvidedFilter( + _externalInterfaceName, _internalComponentName, + _internalInterfaceName); + DefaultEdge edge = new DefaultEdge(new DefaultNode("x"), + new DefaultNode("y")); + assertFalse(filter.isViolated(edge)); + } + +} -- 2.31.1