package com.fasterxml.clustermate.servlet;
import java.util.*;
import com.fasterxml.clustermate.api.EntryKey;
import com.fasterxml.clustermate.api.PathType;
import com.fasterxml.clustermate.api.msg.ListItem;
import com.fasterxml.clustermate.service.SharedServiceStuff;
import com.fasterxml.clustermate.service.cfg.ServiceConfig;
import com.fasterxml.clustermate.service.cluster.ClusterInfoHandler;
import com.fasterxml.clustermate.service.cluster.ClusterViewByServerUpdatable;
import com.fasterxml.clustermate.service.metrics.AllOperationMetrics;
import com.fasterxml.clustermate.service.metrics.BackgroundMetricsAccessor;
import com.fasterxml.clustermate.service.store.StoreHandler;
import com.fasterxml.clustermate.service.store.StoredEntry;
import com.fasterxml.clustermate.service.store.StoresImpl;
import com.fasterxml.clustermate.service.sync.SyncHandler;
public class DefaultCMServletFactory<
K extends EntryKey,
E extends StoredEntry<K>,
L extends ListItem,
SCONFIG extends ServiceConfig
>
extends CMServletFactory
{
/*
/**********************************************************************
/* Basic config
/**********************************************************************
*/
protected final SCONFIG _config;
protected final SharedServiceStuff _serviceStuff;
/*
/**********************************************************************
/* External state
/**********************************************************************
*/
protected final StoresImpl<K,E> _stores;
/**
* And we better hang on to cluster view as well
*/
protected final ClusterViewByServerUpdatable _cluster;
/*
/**********************************************************************
/* Service handlers
/**********************************************************************
*/
protected final ClusterInfoHandler _clusterInfoHandler;
protected final SyncHandler<K,E> _syncHandler;
protected final StoreHandler<K,E,L> _storeHandler;
/*
/**********************************************************************
/* Construction
/**********************************************************************
*/
public DefaultCMServletFactory(SharedServiceStuff stuff,
StoresImpl<K,E> stores, ClusterViewByServerUpdatable cluster,
ClusterInfoHandler clusterInfoHandler,
SyncHandler<K,E> syncHandler,
StoreHandler<K,E,L> storeHandler)
{
_serviceStuff = stuff;
_config = stuff.getServiceConfig();
_stores = stores;
_cluster = cluster;
_clusterInfoHandler = clusterInfoHandler;
_syncHandler = syncHandler;
_storeHandler = storeHandler;
}
/*
/**********************************************************************
/* Public API impl
/**********************************************************************
*/
@Override
public ServletBase contructDispatcherServlet()
{
EnumMap<PathType, ServletBase> servlets = new EnumMap<PathType, ServletBase>(PathType.class);
servlets.put(PathType.NODE_STATUS, constructNodeStatusServlet());
servlets.put(PathType.SYNC_LIST, constructSyncListServlet());
servlets.put(PathType.SYNC_PULL, constructSyncPullServlet());
servlets.put(PathType.STORE_ENTRY, constructStoreEntryServlet());
servlets.put(PathType.STORE_ENTRIES, constructStoreListServlet());
List<AllOperationMetrics.Provider> metrics = new ArrayList<AllOperationMetrics.Provider>();
for (ServletBase servlet : servlets.values()) {
if (servlet instanceof AllOperationMetrics.Provider) {
metrics.add((AllOperationMetrics.Provider) servlet);
}
}
final BackgroundMetricsAccessor metricAcc = constructMetricsAccessor(metrics);
servlets.put(PathType.NODE_METRICS, constructNodeMetricsServlet(metricAcc));
return new ServiceDispatchServlet<K,E,PathType>(_cluster, null, _serviceStuff, servlets);
}
/*
/**********************************************************************
/* Factory methods: metrics
/**********************************************************************
*/
protected BackgroundMetricsAccessor constructMetricsAccessor(List<AllOperationMetrics.Provider> metrics) {
AllOperationMetrics.Provider[] providers = metrics.toArray(new AllOperationMetrics.Provider[metrics.size()]);
return new BackgroundMetricsAccessor(_serviceStuff, _stores, providers);
}
/*
/**********************************************************************
/* Factory methods: servlets
/**********************************************************************
*/
protected ServletBase constructStoreEntryServlet() {
return new StoreEntryServlet<K,E>(_serviceStuff, _cluster, _storeHandler);
}
protected ServletBase constructNodeStatusServlet() {
return new NodeStatusServlet(_serviceStuff, _clusterInfoHandler);
}
protected ServletBase constructNodeMetricsServlet(BackgroundMetricsAccessor accessor) {
return new NodeMetricsServlet(_serviceStuff, accessor);
}
protected ServletBase constructSyncListServlet() {
return new SyncListServlet<K,E>(_serviceStuff, _cluster, _syncHandler);
}
protected ServletBase constructSyncPullServlet() {
return new SyncPullServlet<K,E>(_serviceStuff, _cluster, _syncHandler);
}
protected ServletBase constructStoreListServlet() {
return new StoreListServlet<K,E>(_serviceStuff, _cluster, _storeHandler);
}
}