X-Git-Url: http://wamblee.org/gitweb/?a=blobdiff_plain;f=system%2Fgeneral%2Fsrc%2Fmain%2Fjava%2Forg%2Fwamblee%2Fsystem%2Fgraph%2Fcomponent%2FCheckStartupDependenciesVisitor.java;h=c865b8b7bc972b05493097b926a487c8af661ee1;hb=96c8961955a306314dfe0cf9ca192252de39fc1c;hp=d18db7994bdb33a7832815afe2506d066916b3cd;hpb=81fe8784a2182e25f92a7591ec5b0fba00afb828;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 d18db799..c865b8b7 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 @@ -1,5 +1,5 @@ /* - * Copyright 2008 the original author or authors. + * Copyright 2005-2010 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. @@ -15,32 +15,34 @@ */ 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; + public CheckStartupDependenciesVisitor(Graph aGraph) { + graph = aGraph; available = new ArrayList(); } @@ -52,16 +54,17 @@ public class CheckStartupDependenciesVisitor implements Visitor { @Override public void visitNode(Node 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); } - }