X-Git-Url: http://wamblee.org/gitweb/?a=blobdiff_plain;f=system%2Fgeneral%2Fsrc%2Fmain%2Fjava%2Forg%2Fwamblee%2Fsystem%2FSystemAssembler.java;h=50e0e3ab41ecf925524dc7019dd2ddb3771c3975;hb=adaa3d8cf1b51559b5fd0f3fd6fffb3577f84fc7;hp=5cdb3890cc5a3b810345f0dc114b424d143af7e6;hpb=3e51514a1d90d7ac919f6b55cde3b9e98310f3f8;p=utils diff --git a/system/general/src/main/java/org/wamblee/system/SystemAssembler.java b/system/general/src/main/java/org/wamblee/system/SystemAssembler.java index 5cdb3890..50e0e3ab 100644 --- a/system/general/src/main/java/org/wamblee/system/SystemAssembler.java +++ b/system/general/src/main/java/org/wamblee/system/SystemAssembler.java @@ -4,8 +4,10 @@ import java.util.ArrayList; import java.util.Arrays; import java.util.Collection; import java.util.HashMap; +import java.util.HashSet; import java.util.List; import java.util.Map; +import java.util.Set; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; @@ -23,6 +25,7 @@ public class SystemAssembler { private static final String ROOT_CONTEXT_NAME = "root"; private String _context; private Component[] _systems; + private ProvidedInterface[] _required; public static RequiredInterface[] filterRequiredServices( ProvidedInterface aProvided, @@ -77,18 +80,19 @@ public class SystemAssembler { ProvidedInterface[] aAvailableServices) { _context = aContext; _systems = aSystems; - validate(aAvailableServices); + _required = aAvailableServices; + validate(); } /** * Determines if the systems are ordered appropriately so that all * dependencies are met. */ - private void validate(ProvidedInterface[] aDescriptors) + private void validate() throws SystemAssemblyException { List allProvided = new ArrayList(); - for (ProvidedInterface descriptor : aDescriptors) { + for (ProvidedInterface descriptor : _required) { allProvided.add(descriptor); } for (Component system : _systems) { @@ -128,39 +132,36 @@ public class SystemAssembler { /** * Starts the subsystems. * - * @param aRegistry - * Service registry to which created services must be registered. * @param aRequiredServices * Services that are available from other systems that have been * started before. */ - public void start(ServiceRegistry aRegistry, Service[] aRequiredServices) { + public void start() { LOG.info("Starting '" + _context + "'"); - Map allProvided = new HashMap(); - - for (Service service : aRequiredServices) { - allProvided.put(service.getDescriptor(), service); - } + Set allProvided = new HashSet(); + allProvided.addAll(Arrays.asList(_required)); + for (Component system : _systems) { // Compose a list of the required services required for the subsystem. RequiredInterface[] descriptors = system .getRequiredServices(); - List services = new ArrayList(); - for (RequiredInterface descriptor : descriptors) { + List services = new ArrayList(); + for (RequiredInterface required : descriptors) { ProvidedInterface[] provided = filterProvidedServices( - descriptor, allProvided.keySet()); - services.add(allProvided.get(provided[0])); + required, allProvided); + assert provided.length == 1; + services.add(provided[0]); + required.setProvider(provided[0]); } // Start the service. - Service[] provided = system.start(_context, services - .toArray(new Service[0])); + system.start(_context); - // Add started services to the map of started services. - for (Service service : provided) { - allProvided.put(service.getDescriptor(), service); + // Add started services to the set of started services. + for (ProvidedInterface service : system.getProvidedServices()) { + allProvided.add(service); } }