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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.orcs.core.internal;
import java.util.Collections;
import java.util.Set;
import java.util.concurrent.Callable;
import java.util.concurrent.FutureTask;
import org.eclipse.osee.executor.admin.ExecutorAdmin;
import org.eclipse.osee.framework.core.data.IOseeBranch;
import org.eclipse.osee.framework.core.data.LazyObject;
import org.eclipse.osee.framework.core.enums.CoreBranches;
import org.eclipse.osee.framework.core.enums.SystemUser;
import org.eclipse.osee.framework.core.exception.OseeCoreException;
import org.eclipse.osee.framework.core.model.Branch;
import org.eclipse.osee.framework.core.model.cache.BranchCache;
import org.eclipse.osee.framework.core.model.cache.TransactionCache;
import org.eclipse.osee.framework.core.services.TempCachingService;
import org.eclipse.osee.framework.jdk.core.util.GUID;
import org.eclipse.osee.framework.jdk.core.util.Strings;
import org.eclipse.osee.logger.Log;
import org.eclipse.osee.orcs.ApplicationContext;
import org.eclipse.osee.orcs.OrcsAdmin;
import org.eclipse.osee.orcs.OrcsApi;
import org.eclipse.osee.orcs.OrcsBranch;
import org.eclipse.osee.orcs.OrcsPerformance;
import org.eclipse.osee.orcs.OrcsTypes;
import org.eclipse.osee.orcs.core.SystemPreferences;
import org.eclipse.osee.orcs.core.ds.DataModule;
import org.eclipse.osee.orcs.core.ds.OrcsDataStore;
import org.eclipse.osee.orcs.core.internal.artifact.ArtifactBuilderFactoryImpl;
import org.eclipse.osee.orcs.core.internal.artifact.ArtifactFactory;
import org.eclipse.osee.orcs.core.internal.attribute.AttributeClassRegistry;
import org.eclipse.osee.orcs.core.internal.attribute.AttributeClassResolver;
import org.eclipse.osee.orcs.core.internal.attribute.AttributeFactory;
import org.eclipse.osee.orcs.core.internal.indexer.IndexerModule;
import org.eclipse.osee.orcs.core.internal.proxy.ArtifactProxyFactory;
import org.eclipse.osee.orcs.core.internal.relation.RelationFactory;
import org.eclipse.osee.orcs.core.internal.relation.RelationGraphImpl;
import org.eclipse.osee.orcs.core.internal.search.QueryModule;
import org.eclipse.osee.orcs.core.internal.session.SessionContextImpl;
import org.eclipse.osee.orcs.core.internal.transaction.TransactionFactoryImpl;
import org.eclipse.osee.orcs.core.internal.transaction.handler.TxDataHandlerFactoryImpl;
import org.eclipse.osee.orcs.core.internal.types.BranchHierarchyProvider;
import org.eclipse.osee.orcs.core.internal.types.OrcsTypesModule;
import org.eclipse.osee.orcs.data.ArtifactReadable;
import org.eclipse.osee.orcs.data.GraphReadable;
import org.eclipse.osee.orcs.search.QueryFactory;
import org.eclipse.osee.orcs.search.QueryIndexer;
import org.eclipse.osee.orcs.transaction.TransactionFactory;
import com.google.common.collect.Sets;
/**
* @author Roberto E. Escobar
*/
public class OrcsApiImpl implements OrcsApi {
private Log logger;
private OrcsDataStore dataStore;
private AttributeClassRegistry registry;
private TempCachingService cacheService;
private ExecutorAdmin executorAdmin;
private SystemPreferences preferences;
private ArtifactProxyFactory proxyFactory;
private ArtifactLoaderFactory loaderFactory;
private QueryModule queryModule;
private IndexerModule indexerModule;
private TxDataHandlerFactoryImpl txUpdateFactory;
private OrcsTypesModule typesModule;
private SessionContext systemSession;
public void setLogger(Log logger) {
this.logger = logger;
}
public void setOrcsDataStore(OrcsDataStore dataStore) {
this.dataStore = dataStore;
}
public void setAttributeClassRegistry(AttributeClassRegistry registry) {
this.registry = registry;
}
public void setCacheService(TempCachingService cacheService) {
this.cacheService = cacheService;
}
public void setExecutorAdmin(ExecutorAdmin executorAdmin) {
this.executorAdmin = executorAdmin;
}
public void setSystemPreferences(SystemPreferences preferences) {
this.preferences = preferences;
}
public void start() {
systemSession = createSession();
BranchHierarchyProvider hierarchyProvider = new BranchHierarchyProvider() {
@Override
public Iterable<? extends IOseeBranch> getParentHierarchy(IOseeBranch branch) throws OseeCoreException {
Set<IOseeBranch> branches = Sets.newLinkedHashSet();
BranchCache branchCache = cacheService.getBranchCache();
Branch branchPtr = branchCache.get(branch);
while (branchPtr != null) {
if (!branches.add(branchPtr)) {
logger.error("Cycle detected with branch: [%s]", branchPtr);
return Collections.emptyList();
}
branchPtr = branchPtr.getParentBranch();
}
return branches;
}
};
typesModule = new OrcsTypesModule(logger, dataStore, hierarchyProvider);
typesModule.start(getSystemSession());
OrcsTypes orcsTypes = typesModule.createOrcsTypes(getSystemSession());
DataModule module = dataStore.createDataModule(orcsTypes.getArtifactTypes(), orcsTypes.getAttributeTypes());
RelationFactory relationFactory = new RelationFactory(orcsTypes.getRelationTypes());
AttributeClassResolver resolver = new AttributeClassResolver(registry, orcsTypes.getAttributeTypes());
AttributeFactory attributeFactory =
new AttributeFactory(resolver, module.getDataFactory(), orcsTypes.getAttributeTypes());
ArtifactFactory artifactFactory =
new ArtifactFactory(module.getDataFactory(), attributeFactory, relationFactory, cacheService.getBranchCache(),
orcsTypes.getArtifactTypes());
proxyFactory = new ArtifactProxyFactory(artifactFactory);
txUpdateFactory = new TxDataHandlerFactoryImpl(module.getDataFactory());
ArtifactBuilderFactory builderFactory =
new ArtifactBuilderFactoryImpl(logger, proxyFactory, artifactFactory, attributeFactory);
loaderFactory = new ArtifactLoaderFactoryImpl(module.getDataLoaderFactory(), builderFactory);
queryModule =
new QueryModule(logger, dataStore.getQueryEngine(), loaderFactory, module.getDataLoaderFactory(),
orcsTypes.getArtifactTypes(), orcsTypes.getAttributeTypes());
indexerModule = new IndexerModule(logger, preferences, executorAdmin, dataStore.getQueryEngineIndexer());
indexerModule.start(getSystemSession(), orcsTypes.getAttributeTypes());
}
public void stop() {
if (indexerModule != null) {
indexerModule.stop();
}
queryModule = null;
loaderFactory = null;
txUpdateFactory = null;
proxyFactory = null;
}
@Override
public QueryFactory getQueryFactory(ApplicationContext context) {
SessionContext sessionContext = getSessionContext(context);
return queryModule.createQueryFactory(sessionContext);
}
@Override
public TransactionCache getTxsCache() {
return cacheService.getTransactionCache();
}
@Override
public BranchCache getBranchCache() {
return cacheService.getBranchCache();
}
@Override
public GraphReadable getGraph(ApplicationContext context) {
SessionContext sessionContext = getSessionContext(context);
return new RelationGraphImpl(sessionContext, loaderFactory, getOrcsTypes(context).getRelationTypes());
}
@Override
public OrcsBranch getBranchOps(final ApplicationContext context) {
SessionContext sessionContext = getSessionContext(context);
LazyObject<ArtifactReadable> systemUser = new LazyObject<ArtifactReadable>() {
@Override
protected final FutureTask<ArtifactReadable> createLoaderTask() {
Callable<ArtifactReadable> callable = new Callable<ArtifactReadable>() {
@Override
public ArtifactReadable call() throws Exception {
return getQueryFactory(context).fromBranch(CoreBranches.COMMON).andIds(SystemUser.OseeSystem).getResults().getExactlyOne();
}
};
return new FutureTask<ArtifactReadable>(callable);
}
};
return new OrcsBranchImpl(logger, sessionContext, dataStore.getBranchDataStore(), cacheService.getBranchCache(),
cacheService.getTransactionCache(), systemUser, getOrcsTypes(context));
}
@Override
public TransactionFactory getTransactionFactory(ApplicationContext context) {
SessionContext sessionContext = getSessionContext(context);
return new TransactionFactoryImpl(logger, sessionContext, dataStore.getBranchDataStore(), proxyFactory,
txUpdateFactory);
}
@Override
public OrcsAdmin getAdminOps(ApplicationContext context) {
SessionContext sessionContext = getSessionContext(context);
return new OrcsAdminImpl(logger, sessionContext, dataStore.getDataStoreAdmin());
}
@Override
public OrcsPerformance getOrcsPerformance(ApplicationContext context) {
SessionContext sessionContext = getSessionContext(context);
return new OrcsPerformanceImpl(logger, sessionContext, queryModule, indexerModule);
}
@Override
public QueryIndexer getQueryIndexer(ApplicationContext context) {
SessionContext sessionContext = getSessionContext(context);
return indexerModule.createQueryIndexer(sessionContext, getOrcsTypes(context).getAttributeTypes());
}
private SessionContext getSystemSession() {
return systemSession;
}
private SessionContext getSessionContext(ApplicationContext context) {
// TODO get sessions from a session context cache - improve this
String sessionId = null;
if (context != null) {
sessionId = context.getSessionId();
}
if (!Strings.isValid(sessionId)) {
sessionId = GUID.create();
}
return new SessionContextImpl(sessionId);
}
private SessionContext createSession() {
String sessionId = GUID.create();
return new SessionContextImpl(sessionId);
}
@Override
public OrcsTypes getOrcsTypes(ApplicationContext context) {
SessionContext sessionContext = getSessionContext(context);
return typesModule.createOrcsTypes(sessionContext);
}
}
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