| package org.onlab.onos.impl; |
| |
| import org.apache.felix.scr.annotations.Activate; |
| import org.apache.felix.scr.annotations.Component; |
| import org.apache.felix.scr.annotations.Service; |
| import org.onlab.onos.ApplicationId; |
| import org.onlab.onos.CoreService; |
| import org.onlab.onos.Version; |
| import org.onlab.util.Tools; |
| |
| import java.io.File; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| /** |
| * Core service implementation. |
| */ |
| @Component |
| @Service |
| public class CoreManager implements CoreService { |
| |
| private static final AtomicInteger ID_DISPENSER = new AtomicInteger(1); |
| |
| private static final File VERSION_FILE = new File("../VERSION"); |
| private static Version version = Version.version("1.0.0-SNAPSHOT"); |
| |
| private final Map<Short, DefaultApplicationId> appIds = new ConcurrentHashMap<>(); |
| |
| // TODO: work in progress |
| |
| @Activate |
| public void activate() { |
| List<String> versionLines = Tools.slurp(VERSION_FILE); |
| if (versionLines != null && !versionLines.isEmpty()) { |
| version = Version.version(versionLines.get(0)); |
| } |
| } |
| |
| @Override |
| public Version version() { |
| return version; |
| } |
| |
| @Override |
| public ApplicationId getAppId(Short id) { |
| return appIds.get(id); |
| } |
| |
| @Override |
| public ApplicationId registerApplication(String name) { |
| short id = (short) ID_DISPENSER.getAndIncrement(); |
| DefaultApplicationId appId = new DefaultApplicationId(id, name); |
| appIds.put(id, appId); |
| return appId; |
| } |
| |
| } |