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/*******************************************************************************
* Copyright (c) 2009 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.db.internal.accessor;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import java.util.concurrent.Future;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.osee.event.EventService;
import org.eclipse.osee.executor.admin.ExecutorAdmin;
import org.eclipse.osee.framework.core.enums.BranchArchivedState;
import org.eclipse.osee.framework.core.enums.BranchState;
import org.eclipse.osee.framework.core.enums.BranchType;
import org.eclipse.osee.framework.core.enums.StorageState;
import org.eclipse.osee.framework.core.exception.BranchDoesNotExist;
import org.eclipse.osee.framework.core.exception.OseeCoreException;
import org.eclipse.osee.framework.core.exception.OseeExceptions;
import org.eclipse.osee.framework.core.exception.OseeStateException;
import org.eclipse.osee.framework.core.model.Branch;
import org.eclipse.osee.framework.core.model.BranchFactory;
import org.eclipse.osee.framework.core.model.MergeBranch;
import org.eclipse.osee.framework.core.model.TransactionRecord;
import org.eclipse.osee.framework.core.model.cache.BranchCache;
import org.eclipse.osee.framework.core.model.cache.IOseeCache;
import org.eclipse.osee.framework.core.model.cache.IOseeDataAccessor;
import org.eclipse.osee.framework.core.model.cache.TransactionCache;
import org.eclipse.osee.framework.database.IOseeDatabaseService;
import org.eclipse.osee.framework.database.core.IOseeStatement;
import org.eclipse.osee.framework.jdk.core.util.Lib;
import org.eclipse.osee.logger.Log;
import org.eclipse.osee.orcs.db.internal.callable.StoreBranchCallable;
/**
* @author Roberto E. Escobar
*/
public class DatabaseBranchAccessor implements IOseeDataAccessor<String, Branch> {
private static final int NULL_PARENT_BRANCH_ID = -1;
private static final String SELECT_BRANCHES = "SELECT * FROM osee_branch";
private static final String SELECT_MERGE_BRANCHES = "SELECT * FROM osee_merge";
private final Log logger;
private final IOseeDatabaseService dbService;
private final ExecutorAdmin executor;
private final EventService eventService;
private final TransactionCache txCache;
private final BranchFactory branchFactory;
public DatabaseBranchAccessor(Log logger, ExecutorAdmin executor, EventService eventService, IOseeDatabaseService dbService, TransactionCache txCache, BranchFactory branchFactory) {
this.logger = logger;
this.executor = executor;
this.eventService = eventService;
this.dbService = dbService;
this.txCache = txCache;
this.branchFactory = branchFactory;
}
public Log getLogger() {
return logger;
}
private IOseeDatabaseService getDatabaseService() {
return dbService;
}
@Override
public void load(IOseeCache<String, Branch> cache) throws OseeCoreException {
long startTime = System.currentTimeMillis();
Map<Branch, Integer> childToParent = new HashMap<Branch, Integer>();
Map<Branch, Integer> branchToBaseTx = new HashMap<Branch, Integer>();
Map<Branch, Integer> branchToSourceTx = new HashMap<Branch, Integer>();
Map<Branch, Integer> associatedArtifact = new HashMap<Branch, Integer>();
BranchCache brCache = (BranchCache) cache;
loadBranches(brCache, childToParent, branchToBaseTx, branchToSourceTx, associatedArtifact);
loadBranchHierarchy(brCache, childToParent);
loadMergeBranches(brCache);
loadAssociatedArtifacts(brCache, associatedArtifact);
loadBranchRelatedTransactions(brCache, branchToBaseTx, branchToSourceTx);
for (Branch branch : cache.getAll()) {
branch.clearDirty();
}
getLogger().info("Branch Cache loaded [%s]", Lib.getElapseString(startTime));
}
private void loadBranches(BranchCache cache, Map<Branch, Integer> childToParent, Map<Branch, Integer> branchToBaseTx, Map<Branch, Integer> branchToSourceTx, Map<Branch, Integer> associatedArtifact) throws OseeCoreException {
IOseeStatement chStmt = getDatabaseService().getStatement();
try {
chStmt.runPreparedQuery(2000, SELECT_BRANCHES);
while (chStmt.next()) {
try {
int branchId = chStmt.getInt("branch_id");
String branchName = chStmt.getString("branch_name");
BranchState branchState = BranchState.getBranchState(chStmt.getInt("branch_state"));
BranchType branchType = BranchType.valueOf(chStmt.getInt("branch_type"));
boolean isArchived = BranchArchivedState.valueOf(chStmt.getInt("archived")).isArchived();
String branchGuid = chStmt.getString("branch_guid");
Branch branch =
branchFactory.createOrUpdate(cache, branchId, StorageState.LOADED, branchGuid, branchName,
branchType, branchState, isArchived);
Integer parentBranchId = chStmt.getInt("parent_branch_id");
if (parentBranchId != NULL_PARENT_BRANCH_ID) {
childToParent.put(branch, parentBranchId);
}
branchToSourceTx.put(branch, chStmt.getInt("parent_transaction_id"));
branchToBaseTx.put(branch, chStmt.getInt("baseline_transaction_id"));
associatedArtifact.put(branch, chStmt.getInt("associated_art_id"));
} catch (OseeCoreException ex) {
getLogger().error(ex, "Error loading branches");
}
}
} finally {
chStmt.close();
}
}
private void loadAssociatedArtifacts(BranchCache cache, Map<Branch, Integer> associatedArtifact) throws OseeCoreException {
for (Entry<Branch, Integer> entry : associatedArtifact.entrySet()) {
Branch branch = entry.getKey();
branch.setAssociatedArtifactId(entry.getValue());
}
}
private void loadBranchRelatedTransactions(BranchCache cache, Map<Branch, Integer> branchToBaseTx, Map<Branch, Integer> branchToSourceTx) throws OseeCoreException {
Set<Integer> transactionIds = new HashSet<Integer>();
transactionIds.addAll(branchToSourceTx.values());
transactionIds.addAll(branchToBaseTx.values());
txCache.loadTransactions(transactionIds);
for (Entry<Branch, Integer> entry : branchToBaseTx.entrySet()) {
Branch branch = entry.getKey();
if (branch.getBaseTransaction() == null) {
TransactionRecord baseTx = txCache.getById(entry.getValue());
branch.setBaseTransaction(baseTx);
}
}
for (Entry<Branch, Integer> entry : branchToSourceTx.entrySet()) {
Branch branch = entry.getKey();
if (branch.getSourceTransaction() == null) {
TransactionRecord srcTx = txCache.getById(entry.getValue());
branch.setSourceTransaction(srcTx);
}
}
}
private void loadBranchHierarchy(BranchCache branchCache, Map<Branch, Integer> childToParent) throws OseeCoreException {
for (Entry<Branch, Integer> entry : childToParent.entrySet()) {
Branch childBranch = entry.getKey();
Branch parentBranch = branchCache.getById(entry.getValue());
if (parentBranch == null) {
throw new BranchDoesNotExist("Parent Branch id:[%s] does not exist for child branch [%s]",
entry.getValue(), entry.getKey());
}
childBranch.setParentBranch(parentBranch);
}
}
private void loadMergeBranches(BranchCache branchCache) throws OseeCoreException {
IOseeStatement chStmt = getDatabaseService().getStatement();
try {
chStmt.runPreparedQuery(1000, SELECT_MERGE_BRANCHES);
while (chStmt.next()) {
Branch sourceBranch = branchCache.getById(chStmt.getInt("source_branch_id"));
Branch destBranch = branchCache.getById(chStmt.getInt("dest_branch_id"));
MergeBranch mergeBranch = (MergeBranch) branchCache.getById(chStmt.getInt("merge_branch_id"));
mergeBranch.setSourceBranch(sourceBranch);
mergeBranch.setDestinationBranch(destBranch);
}
} finally {
chStmt.close();
}
}
@Override
public void store(Collection<Branch> branches) throws OseeCoreException {
StoreBranchCallable task = new StoreBranchCallable(dbService, executor, eventService, branches);
try {
Future<IStatus> future = executor.getDefaultExecutor().submit(task);
IStatus status = future.get();
if (!status.isOK()) {
throw new OseeStateException("Error storing branches");
}
} catch (Exception ex) {
OseeExceptions.wrapAndThrow(ex);
}
}
}
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