package com.tesora.dve.server.messaging;
/*
* #%L
* Tesora Inc.
* Database Virtualization Engine
* %%
* Copyright (C) 2011 - 2014 Tesora Inc.
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
* #L%
*/
import com.tesora.dve.concurrent.CompletionHandle;
import com.tesora.dve.db.DBNative;
import com.tesora.dve.server.global.HostService;
import com.tesora.dve.singleton.Singletons;
import com.tesora.dve.common.catalog.UserDatabase;
import com.tesora.dve.comms.client.messages.MessageType;
import com.tesora.dve.comms.client.messages.MessageVersion;
import com.tesora.dve.server.connectionmanager.PerHostConnectionManager;
import com.tesora.dve.server.connectionmanager.SSContext;
import com.tesora.dve.server.statistics.SiteStatKey.OperationClass;
import com.tesora.dve.server.statistics.manager.LogSiteStatisticRequest;
import com.tesora.dve.worker.Worker;
public class WorkerDropDatabaseRequest extends WorkerRequest {
private static final long serialVersionUID = 1L;
final String databaseName;
public WorkerDropDatabaseRequest(SSContext ssContext, String databaseName) {
super(ssContext);
this.databaseName = databaseName;
}
@Override
public void executeRequest(final Worker w, CompletionHandle<Boolean> promise) {
String localizedDBName = UserDatabase.getNameOnSite(databaseName, w.getWorkerSite());
SQLCommand ddl = Singletons.require(DBNative.class)
.getDropDatabaseStmt(PerHostConnectionManager.INSTANCE.lookupConnection(this.getConnectionId()), localizedDBName);
this.execute(w, ddl, promise);
}
@Override
public String toString() {
return new StringBuffer().append("WorkerCreateDatabaseRequest("+databaseName+")").toString();
}
@Override
public MessageType getMessageType() {
return MessageType.W_CREATE_DB_REQUEST;
}
@Override
public MessageVersion getVersion() {
return MessageVersion.VERSION1;
}
@Override
public LogSiteStatisticRequest getStatisticsNotice() {
return new LogSiteStatisticRequest(OperationClass.DDL);
}
}