Java tutorial
/* * Druid - a distributed column store. * Copyright 2012 - 2015 Metamarkets Group Inc. * * 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 io.druid.server.metrics; import com.google.common.collect.Lists; import com.google.inject.Inject; import com.metamx.metrics.SysMonitor; import io.druid.segment.loading.SegmentLoaderConfig; import io.druid.segment.loading.StorageLocationConfig; import java.util.List; /** */ public class DruidSysMonitor extends SysMonitor { @Inject public DruidSysMonitor(SegmentLoaderConfig config) { final List<StorageLocationConfig> locs = config.getLocations(); List<String> dirs = Lists.newArrayListWithExpectedSize(locs.size()); for (StorageLocationConfig loc : locs) { dirs.add(loc.getPath().toString()); } addDirectoriesToMonitor(dirs.toArray(new String[dirs.size()])); } }