/*
* Copyright © 2015 Cask Data, 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 co.cask.cdap.internal.app.services;
import co.cask.cdap.app.runtime.scheduler.SchedulerQueueResolver;
import co.cask.cdap.common.conf.CConfiguration;
import co.cask.cdap.common.conf.Constants;
import co.cask.cdap.config.PreferencesStore;
import co.cask.cdap.internal.app.runtime.ProgramOptionConstants;
import co.cask.cdap.proto.Id;
import co.cask.cdap.store.NamespaceStore;
import com.google.common.collect.Maps;
import com.google.inject.Inject;
import java.util.Map;
/**
* Used to provide default user and system properties that can be used while starting a Program.
*/
public class PropertiesResolver {
private final PreferencesStore prefStore;
private final SchedulerQueueResolver queueResolver;
@Inject
PropertiesResolver(PreferencesStore prefStore, NamespaceStore store, CConfiguration cConf) {
this.prefStore = prefStore;
this.queueResolver = new SchedulerQueueResolver(cConf, store);
}
public Map<String, String> getUserProperties(Id.Program id) {
Map<String, String> userArgs = prefStore.getResolvedProperties(id.getNamespaceId(), id.getApplicationId(),
id.getType().getCategoryName(), id.getId());
userArgs.put(ProgramOptionConstants.LOGICAL_START_TIME, Long.toString(System.currentTimeMillis()));
return userArgs;
}
public Map<String, String> getSystemProperties(Id.Program id) {
Map<String, String> systemArgs = Maps.newHashMap();
systemArgs.put(Constants.AppFabric.APP_SCHEDULER_QUEUE, queueResolver.getQueue(id.getNamespace()));
return systemArgs;
}
}