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/*******************************************************************************
* Copyright (c) 2013 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.callable;
import static org.eclipse.osee.framework.core.enums.CoreBranches.COMMON_ID;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.net.URI;
import java.util.Collection;
import java.util.LinkedHashSet;
import org.eclipse.osee.framework.core.enums.CoreArtifactTypes;
import org.eclipse.osee.framework.core.enums.CoreAttributeTypes;
import org.eclipse.osee.framework.core.enums.TxChange;
import org.eclipse.osee.framework.jdk.core.type.OseeCoreException;
import org.eclipse.osee.framework.jdk.core.type.PropertyStore;
import org.eclipse.osee.framework.jdk.core.util.Conditions;
import org.eclipse.osee.framework.jdk.core.util.Lib;
import org.eclipse.osee.framework.resource.management.IResource;
import org.eclipse.osee.framework.resource.management.IResourceLocator;
import org.eclipse.osee.framework.resource.management.IResourceManager;
import org.eclipse.osee.framework.resource.management.StandardOptions;
import org.eclipse.osee.jdbc.JdbcClient;
import org.eclipse.osee.jdbc.JdbcStatement;
import org.eclipse.osee.logger.Log;
import org.eclipse.osee.orcs.OrcsSession;
/**
* @author Roberto E. Escobar
*/
public class OrcsTypeLoaderCallable extends AbstractDatastoreCallable<IResource> {
private static final String LOAD_OSEE_TYPE_DEF_URIS =
"select attr.uri from osee_branch br, osee_txs txs1, osee_artifact art, osee_attribute attr, osee_txs txs2 where br.branch_id = ? and txs1.branch_id = br.branch_id and txs1.tx_current = ? and txs1.gamma_id = art.gamma_id and txs2.branch_id = br.branch_id and txs2.tx_current = ? and txs2.gamma_id = attr.gamma_id and art.art_type_id = ? and art.art_id = attr.art_id and attr.attr_type_id = ?";
private final IResourceManager resourceManager;
public OrcsTypeLoaderCallable(Log logger, OrcsSession session, JdbcClient jdbcClient, IResourceManager resourceManager) {
super(logger, session, jdbcClient);
this.resourceManager = resourceManager;
}
@Override
public IResource call() throws Exception {
String resourceUri = String.format("osee:/datastore.orcs.types_%s.osee", Lib.getDateTimeString());
URI uri = new URI(resourceUri);
Collection<String> uriPaths = findOseeTypeData();
Conditions.checkExpressionFailOnTrue(uriPaths.isEmpty(), "No orcs types found");
return new OrcsTypesResource(uri, uriPaths);
}
private Collection<String> findOseeTypeData() throws OseeCoreException {
Collection<String> paths = new LinkedHashSet<>();
Long artifactTypeId = CoreArtifactTypes.OseeTypeDefinition.getGuid();
Long attributeTypeId = CoreAttributeTypes.UriGeneralStringData.getGuid();
JdbcStatement chStmt = null;
try {
chStmt = getJdbcClient().getStatement();
chStmt.runPreparedQuery(LOAD_OSEE_TYPE_DEF_URIS, COMMON_ID, TxChange.CURRENT.getValue(),
TxChange.CURRENT.getValue(), artifactTypeId, attributeTypeId);
while (chStmt.next()) {
String uri = chStmt.getString("uri");
paths.add(uri);
}
} finally {
Lib.close(chStmt);
}
return paths;
}
private final class OrcsTypesResource implements IResource {
private final URI uri;
private final Collection<String> resources;
public OrcsTypesResource(URI uri, Collection<String> resources) {
this.uri = uri;
this.resources = resources;
}
@Override
public InputStream getContent() throws OseeCoreException {
return asInputStream(resources);
}
@Override
public URI getLocation() {
return uri;
}
@Override
public String getName() {
String value = uri.toASCIIString();
return value.substring(value.lastIndexOf("/") + 1, value.length());
}
@Override
public boolean isCompressed() {
return false;
}
private InputStream asInputStream(Collection<String> resources) throws OseeCoreException {
PropertyStore options = new PropertyStore();
options.put(StandardOptions.DecompressOnAquire.name(), "true");
StringBuilder builder = new StringBuilder();
for (String path : resources) {
IResourceLocator locator = resourceManager.getResourceLocator(path);
IResource resource = resourceManager.acquire(locator, options);
InputStream inputStream = null;
try {
inputStream = resource.getContent();
String oseeTypeFragment = Lib.inputStreamToString(inputStream);
oseeTypeFragment = oseeTypeFragment.replaceAll("import\\s+\"", "// import \"");
builder.append("\n////////////// ");
builder.append(resource.getName());
builder.append("\n\n");
builder.append(oseeTypeFragment);
} catch (IOException ex) {
OseeCoreException.wrapAndThrow(ex);
} finally {
Lib.close(inputStream);
}
}
InputStream toReturn = null;
try {
toReturn = Lib.stringToInputStream(builder.toString());
} catch (UnsupportedEncodingException ex) {
OseeCoreException.wrapAndThrow(ex);
}
return toReturn;
}
}
}
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