001/*
002 * (C) Copyright 2006-2017 Nuxeo (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     matic
018 */
019package org.nuxeo.ecm.core.management;
020
021import org.nuxeo.ecm.core.event.EventStats;
022import org.nuxeo.ecm.core.management.api.AdministrativeStatusManager;
023import org.nuxeo.ecm.core.management.api.GlobalAdministrativeStatusManager;
024import org.nuxeo.ecm.core.management.api.ProbeManager;
025import org.nuxeo.ecm.core.management.events.EventStatsHolder;
026import org.nuxeo.ecm.core.management.events.EventStatsImpl;
027import org.nuxeo.ecm.core.management.probes.HealthCheckProbesDescriptor;
028import org.nuxeo.ecm.core.management.probes.ProbeDescriptor;
029import org.nuxeo.ecm.core.management.probes.ProbeManagerImpl;
030import org.nuxeo.ecm.core.management.statuses.AdministrableServiceDescriptor;
031import org.nuxeo.ecm.core.management.statuses.AdministrativeStatusManagerImpl;
032import org.nuxeo.ecm.core.management.statuses.GlobalAdministrativeStatusManagerImpl;
033import org.nuxeo.ecm.core.management.storage.DocumentStoreConfigurationDescriptor;
034import org.nuxeo.ecm.core.management.storage.DocumentStoreHandlerDescriptor;
035import org.nuxeo.ecm.core.management.storage.DocumentStoreManager;
036import org.nuxeo.runtime.model.ComponentContext;
037import org.nuxeo.runtime.model.ComponentInstance;
038import org.nuxeo.runtime.model.ComponentName;
039import org.nuxeo.runtime.model.DefaultComponent;
040
041/**
042 * @author Stephane Lacoin (Nuxeo EP Software Engineer)
043 */
044public class CoreManagementComponent extends DefaultComponent {
045
046    public static final ComponentName NAME = new ComponentName(CoreManagementComponent.class.getCanonicalName());
047
048    public static final String PROBES_EP = "probes";
049
050    public static final String SERVICE_DEF_EP = "serviceDefinition";
051
052    public static final String STORAGE_HANDLERS_EP = "storageHandlers";
053
054    public static final String STORAGE_CONFIG_EP = "storageConfiguration";
055
056    public static final String HEALTH_CHECK_EP = "healthCheck";
057
058    protected static CoreManagementComponent defaultComponent;
059
060    protected final GlobalAdministrativeStatusManager globalManager = new GlobalAdministrativeStatusManagerImpl();
061
062    protected final EventStats eventStats = new EventStatsImpl();
063
064    protected final ProbeManagerImpl probeRunner = new ProbeManagerImpl();
065
066    protected final DocumentStoreManager storageManager = new DocumentStoreManager();
067
068    public CoreManagementComponent() {
069        super(); // enables breaking
070    }
071
072    public AdministrativeStatusManagerImpl getLocalManager() {
073        return (AdministrativeStatusManagerImpl) globalManager.getStatusManager(globalManager.getLocalNuxeoInstanceIdentifier());
074    }
075
076    @Override
077    public <T> T getAdapter(Class<T> adapter) {
078        if (adapter == EventStats.class) {
079            return adapter.cast(eventStats);
080        }
081        if (adapter.isAssignableFrom(GlobalAdministrativeStatusManager.class)) {
082            return adapter.cast(globalManager);
083        }
084        if (adapter.isAssignableFrom(AdministrativeStatusManager.class)) {
085            return adapter.cast(getLocalManager());
086        }
087        if (adapter.isAssignableFrom(ProbeManager.class)) {
088            return adapter.cast(probeRunner);
089        }
090        return super.getAdapter(adapter);
091    }
092
093    @Override
094    public void registerContribution(Object contribution, String extensionPoint, ComponentInstance contributor) {
095        if (extensionPoint.equals(PROBES_EP)) {
096            probeRunner.registerProbe((ProbeDescriptor) contribution);
097        } else if (extensionPoint.equals(SERVICE_DEF_EP)) {
098            globalManager.registerService((AdministrableServiceDescriptor) contribution);
099        } else if (extensionPoint.equals(STORAGE_HANDLERS_EP)) {
100            storageManager.registerHandler((DocumentStoreHandlerDescriptor) contribution);
101        } else if (extensionPoint.equals(STORAGE_CONFIG_EP)) {
102            storageManager.registerConfig((DocumentStoreConfigurationDescriptor) contribution);
103        } else if (extensionPoint.equals(HEALTH_CHECK_EP)) {
104            probeRunner.registerProbeForHealthCheck((HealthCheckProbesDescriptor) contribution);
105        } else {
106            super.registerContribution(contribution, extensionPoint, contributor);
107        }
108    }
109
110    @Override
111    public void unregisterContribution(Object contribution, String extensionPoint, ComponentInstance contributor) {
112        if (extensionPoint.equals("probes")) {
113            probeRunner.unregisterProbe((ProbeDescriptor) contribution);
114        }
115    }
116
117    public static CoreManagementComponent getDefault() {
118        return defaultComponent;
119    }
120
121    @Override
122    public void activate(ComponentContext context) {
123        defaultComponent = this;
124        storageManager.install();
125        EventStatsHolder.clearStats();
126    }
127
128    @Override
129    public void deactivate(ComponentContext context) {
130        defaultComponent = null;
131        storageManager.uninstall();
132        EventStatsHolder.clearStats();
133    }
134
135    @Override
136    public void stop(ComponentContext context) {
137        getLocalManager().onNuxeoServerShutdown();
138    }
139
140    public void onNuxeoServerStartup() {
141        getLocalManager().onNuxeoServerStartup();
142    }
143
144}