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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.framework.core.datastore;

import java.io.File;
import java.util.logging.Level;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.osee.framework.branch.management.IOseeBranchService;
import org.eclipse.osee.framework.core.datastore.internal.Activator;
import org.eclipse.osee.framework.core.datastore.schema.operations.OperationFactory;
import org.eclipse.osee.framework.core.enums.PermissionEnum;
import org.eclipse.osee.framework.core.exception.OseeDataStoreException;
import org.eclipse.osee.framework.core.operation.AbstractOperation;
import org.eclipse.osee.framework.core.operation.IOperation;
import org.eclipse.osee.framework.core.server.IApplicationServerManager;
import org.eclipse.osee.framework.core.server.OseeServerProperties;
import org.eclipse.osee.framework.core.util.Conditions;
import org.eclipse.osee.framework.database.IOseeDatabaseService;
import org.eclipse.osee.framework.database.core.OseeInfo;
import org.eclipse.osee.framework.jdk.core.util.GUID;
import org.eclipse.osee.framework.jdk.core.util.Lib;
import org.eclipse.osee.framework.logging.OseeLog;

/**
 * @author Roberto E. Escobar
 */
public class DatastoreInitOperation extends AbstractOperation {

	private static final String ADD_PERMISSION =
				"INSERT INTO OSEE_PERMISSION (PERMISSION_ID, PERMISSION_NAME) VALUES (?,?)";

	private final IOseeBranchService branchService;
	private final IOseeDatabaseService dbService;
	private final IOseeSchemaProvider schemaProvider;
	private final SchemaCreationOptions options;
	private final IApplicationServerManager appServerManager;

	public DatastoreInitOperation(IApplicationServerManager appServerManager, IOseeDatabaseService dbService, IOseeBranchService branchService, IOseeSchemaProvider schemaProvider, SchemaCreationOptions options) {
		super("Datastore Initialization", Activator.PLUGIN_ID);
		this.appServerManager = appServerManager;
		this.dbService = dbService;
		this.branchService = branchService;
		this.schemaProvider = schemaProvider;
		this.options = options;
	}

	@Override
	protected void doWork(IProgressMonitor monitor) throws Exception {
		Conditions.checkExpressionFailOnTrue(dbService.isProduction(),
					"Error - attempting to initialize a production datastore.");

		IOperation subOp = OperationFactory.createDbSchema(dbService, schemaProvider, options);
		doSubWork(subOp, monitor, 0.30);

		dbService.getSequence().clear();

		appServerManager.executeLookupRegistration();

		deleteBinaryBackingData();
		String binaryDataPath = OseeServerProperties.getOseeApplicationServerData();
		Lib.deleteDir(new File(binaryDataPath + File.separator + "attr"));

		OseeInfo.putValue(OseeInfo.DB_ID_KEY, GUID.create());
		addDefaultPermissions();

		subOp = branchService.createSystemRootBranch(monitor);
		doSubWork(subOp, monitor, 0.30);
	}

	@SuppressWarnings("unchecked")
	private void addDefaultPermissions() throws OseeDataStoreException {
		for (PermissionEnum permission : PermissionEnum.values()) {
			dbService.runPreparedUpdate(ADD_PERMISSION, permission.getPermId(), permission.getName());
		}
	}

	private static void deleteBinaryBackingData() {
		String binaryDataPath = OseeServerProperties.getOseeApplicationServerData();
		OseeLog.log(Activator.class, Level.INFO,
					String.format("Deleting application server binary data [%s]...", binaryDataPath));
		Lib.deleteDir(new File(binaryDataPath + File.separator + "attr"));
	}
}

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