org.bonitasoft.engine.classloader.ParentClassLoaderResolver Maven / Gradle / Ivy
/**
* Copyright (C) 2019 Bonitasoft S.A.
* Bonitasoft, 32 rue Gustave Eiffel - 38000 Grenoble
* This library is free software; you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Foundation
* version 2.1 of the License.
* This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301, USA.
**/
package org.bonitasoft.engine.classloader;
import org.bonitasoft.engine.dependency.model.ScopeType;
import org.bonitasoft.engine.exception.BonitaRuntimeException;
import org.bonitasoft.engine.sessionaccessor.ReadSessionAccessor;
import org.bonitasoft.engine.sessionaccessor.STenantIdNotSetException;
import org.springframework.stereotype.Component;
@Component
public class ParentClassLoaderResolver {
private final ReadSessionAccessor sessionAccessor;
public ParentClassLoaderResolver(final ReadSessionAccessor sessionAccessor) {
this.sessionAccessor = sessionAccessor;
}
/**
* @return the key of the parent or null if it is the global
*/
public ClassLoaderIdentifier getParentClassLoaderIdentifier(ClassLoaderIdentifier childId) {
if (ScopeType.PROCESS.equals(childId.getType())) {
try {
//We should not depend on the session to know what is the parent of a classloader
return ClassLoaderIdentifier.identifier(ScopeType.TENANT, sessionAccessor.getTenantId());
} catch (final STenantIdNotSetException e) {
throw new BonitaRuntimeException("No tenant id set while creating the process classloader: " + childId);
}
} else if (ScopeType.TENANT.equals(childId.getType())) {
return ClassLoaderIdentifier.GLOBAL;//global
} else if (ClassLoaderIdentifier.GLOBAL.equals(childId)) {
return ClassLoaderIdentifier.APPLICATION;
} else {
throw new BonitaRuntimeException("unable to find a parent for type: " + childId);
}
}
}