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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.config.server.tenant;
import com.yahoo.config.provision.TenantName;
import com.yahoo.path.Path;
import com.yahoo.vespa.config.server.RequestHandler;
import com.yahoo.vespa.config.server.application.TenantApplications;
import com.yahoo.vespa.config.server.session.SessionRepository;
import com.yahoo.vespa.curator.Curator;
import org.apache.zookeeper.data.Stat;
import java.time.Instant;
import java.util.Optional;
/**
* Contains all tenant-level components for a single tenant, dealing with editing sessions and
* applications for a single tenant.
*
* @author vegardh
* @author Ulf Lilleengen
*/
public class Tenant implements TenantHandlerProvider {
static final String SESSIONS = "sessions";
static final String APPLICATIONS = "applications";
private final TenantName name;
private final Path path;
private final SessionRepository sessionRepository;
private final TenantApplications applicationRepo;
private final RequestHandler requestHandler;
private final Curator curator;
Tenant(TenantName name,
SessionRepository sessionRepository,
RequestHandler requestHandler,
TenantApplications applicationRepo,
Curator curator) {
this.name = name;
this.path = TenantRepository.getTenantPath(name);
this.requestHandler = requestHandler;
this.sessionRepository = sessionRepository;
this.applicationRepo = applicationRepo;
this.curator = curator;
}
/**
* The request handler for this
*
* @return handler
*/
public RequestHandler getRequestHandler() {
return requestHandler;
}
public TenantName getName() {
return name;
}
public Path getPath() {
return path;
}
public SessionRepository getSessionRepository() { return sessionRepository; }
@Override
public String toString() {
return getName().value();
}
public TenantApplications getApplicationRepo() {
return applicationRepo;
}
public Instant getCreatedTime() {
Optional<Stat> stat = curator.getStat(path);
if (stat.isPresent())
return Instant.ofEpochMilli(stat.get().getCtime());
else
return Instant.now();
}
@Override
public boolean equals(Object other) {
if (!(other instanceof Tenant)) {
return false;
}
Tenant that = (Tenant) other;
return name.equals(that.name);
}
@Override
public int hashCode() {
return name.hashCode();
}
/**
* Closes any watchers, thread pools that may react to changes in tenant state,
* and removes any session data in filesystem and zookeeper.
* Called by watchers as a reaction to deleting a tenant.
*/
void close() {
applicationRepo.close(); // Closes watchers.
sessionRepository.close(); // Closes watchers, clears memory, and deletes local files and ZK session state.
}
}
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