X-Git-Url: http://wamblee.org/gitweb/?a=blobdiff_plain;f=system%2Fgeneral%2Fsrc%2Fmain%2Fjava%2Forg%2Fwamblee%2Fsystem%2Fgraph%2Fcomponent%2FCheckStartupDependenciesVisitor.java;h=b122aa285538e4371e061fefc37e950b34ca45eb;hb=539c6d91b7a34e32c6669445d00e9275c337530a;hp=61f4e7045cbcc888952cd17d99db5dff5efc8ae9;hpb=901d0a5b61ed523b15124daf63a053f9c4a5fb4e;p=utils diff --git a/system/general/src/main/java/org/wamblee/system/graph/component/CheckStartupDependenciesVisitor.java b/system/general/src/main/java/org/wamblee/system/graph/component/CheckStartupDependenciesVisitor.java index 61f4e704..b122aa28 100644 --- a/system/general/src/main/java/org/wamblee/system/graph/component/CheckStartupDependenciesVisitor.java +++ b/system/general/src/main/java/org/wamblee/system/graph/component/CheckStartupDependenciesVisitor.java @@ -1,47 +1,49 @@ /* * 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 java.util.ArrayList; -import java.util.List; - import org.wamblee.system.core.SystemAssemblyException; import org.wamblee.system.graph.Edge; import org.wamblee.system.graph.Graph; import org.wamblee.system.graph.Node; import org.wamblee.system.graph.Visitor; +import java.util.ArrayList; +import java.util.List; + /** - * Checks whether the given component graph can be started in component - * order without any missing dependencies. + * Checks whether the given component graph can be started in component order + * without any missing dependencies. + * * @author Erik Brakkee - * */ public class CheckStartupDependenciesVisitor implements Visitor { - - private Graph _graph; - private List _available; + private Graph graph; + + private List available; /** - * Constructs the visitor. - * @param aGraph Graph. + * Constructs the visitor. + * + * @param aGraph + * Graph. */ - public CheckStartupDependenciesVisitor(Graph aGraph) { - _graph = aGraph; - _available = new ArrayList(); + public CheckStartupDependenciesVisitor(Graph aGraph) { + graph = aGraph; + available = new ArrayList(); } @Override @@ -51,17 +53,18 @@ public class CheckStartupDependenciesVisitor implements Visitor { @Override public void visitNode(Node aNode) { - List edges = _graph.findOutgoing(aNode); - + List edges = graph.findOutgoing(aNode); + // check dependencies. - for (Edge edge: edges) { + for (Edge edge : edges) { Node dep = edge.getTo(); - if ( !_available.contains(dep)) { - throw new SystemAssemblyException(aNode + ": required dependency '" + dep + "' was not started"); + + if (!available.contains(dep)) { + throw new SystemAssemblyException(aNode + + ": required dependency '" + dep + "' was not started"); } } - - _available.add(aNode); - } + available.add(aNode); + } }