java/src/main/com/google/appengine/tools/development/ManualServer.java

   1 package com.google.appengine.tools.development;
   2
   3 import com.google.appengine.tools.development.ApplicationConfigurationManager.ServerConfigurationHandle;
   4 import com.google.apphosting.utils.config.AppEngineConfigException;
   5 import com.google.apphosting.utils.config.AppEngineWebXml;
   6 import com.google.common.collect.ImmutableList;
   7
   8 import java.io.File;
   9 import java.util.List;
  10 import java.util.Map;
  11
  12 /**
  13  * {@link Server} implementation for manual servers.
  14  */
  15 public class ManualServer extends AbstractServer {
  16   ManualServer(ServerConfigurationHandle serverConfigurationHandle, String serverInfo,
  17       String address, Map<String, Object> containerConfigProperties, DevAppServerImpl devAppServer,
  18       AppEngineWebXml appEngineWebXml) {
  19     super(serverConfigurationHandle, serverInfo, null, address,
  20         containerConfigProperties, devAppServer, makeInstanceHolders(serverConfigurationHandle,
  21         appEngineWebXml));
  22   }
  23
  24   private static List<InstanceHolder> makeInstanceHolders(
  25       ServerConfigurationHandle serverConfigurationHandle, AppEngineWebXml appEngineWebXml) {
  26     String instancesString = appEngineWebXml.getManualScaling().getInstances();
  27     int instances = instancesString == null ? 0 : Integer.parseInt(instancesString);
  28     if (instances < 0) {
  29       throw new AppEngineConfigException("Invalid instances " + instances + " in file "
  30         + serverConfigurationHandle.getModule().getAppEngineWebXmlFile());
  31     }
  32
  33     ImmutableList.Builder<InstanceHolder> listBuilder = ImmutableList.builder();
  34     for (int ix = LocalEnvironment.MAIN_INSTANCE; ix < instances; ix++) {
  35       listBuilder.add(new InstanceHolder(ContainerUtils.loadContainer(), ix));
  36     }
  37     return listBuilder.build();
  38   }
  39
  40   @Override
  41   public LocalServerEnvironment doConfigure(
  42       ServerConfigurationHandle serverConfigurationHandle, String serverInfo,
  43       File externalResourceDir, String address, Map<String, Object> containerConfigProperties,
  44       DevAppServerImpl devAppServer) throws Exception {
  45     LocalServerEnvironment result = null;
  46     for (InstanceHolder instanceHolder : getInstanceHolders()) {
  47       int port = DevAppServerPortPropertyHelper.getPort(getServerName(),
  48           instanceHolder.getInstance(), devAppServer.getServiceProperties());
  49       LocalServerEnvironment thisEnvironment = instanceHolder.getContainerService().configure(
  50           serverInfo, address, port, serverConfigurationHandle, externalResourceDir,
  51           containerConfigProperties, instanceHolder.getInstance(), devAppServer);
  52       if (result == null) {
  53         result = thisEnvironment;
  54       }
  55     }
  56     return result;
  57   }
  58 }