package org.ovirt.engine.core.bll;
import java.util.List;
import org.ovirt.engine.core.common.businessentities.VDSGroup;
import org.ovirt.engine.core.common.businessentities.storage_pool;
import org.ovirt.engine.core.common.config.Config;
import org.ovirt.engine.core.common.config.ConfigValues;
import org.ovirt.engine.core.common.queries.GetAvailableStoragePoolVersionsParameters;
import org.ovirt.engine.core.compat.Version;
import org.ovirt.engine.core.dal.dbbroker.DbFacade;
public class GetAvailableStoragePoolVersionsQuery<P extends GetAvailableStoragePoolVersionsParameters>
extends QueriesCommandBase<P> {
public GetAvailableStoragePoolVersionsQuery(P parameters) {
super(parameters);
}
@Override
protected void executeQueryCommand() {
if (getParameters().getStoragePoolId() != null) {
java.util.ArrayList<Version> result = new java.util.ArrayList<Version>();
storage_pool storagePool = DbFacade.getInstance().getStoragePoolDAO().get(
getParameters().getStoragePoolId().getValue());
if (storagePool != null) {
List<VDSGroup> clusters = DbFacade.getInstance().getVdsGroupDAO().getAllForStoragePool(
storagePool.getId());
for (Version supportedVer : Config
.<java.util.HashSet<Version>> GetValue(ConfigValues.SupportedClusterLevels)) {
// if version lower than current skip because cannot
// decrease version
if (supportedVer.compareTo(storagePool.getcompatibility_version()) < 0) {
continue;
}
boolean versionOk = true;
// check all clusters are not grater than this ver
for (VDSGroup cluster : clusters) {
if (supportedVer.compareTo(cluster.getcompatibility_version()) > 0) {
versionOk = false;
break;
}
}
if (versionOk) {
result.add(supportedVer);
}
}
}
getQueryReturnValue().setReturnValue(result);
} else {
getQueryReturnValue().setReturnValue(
new java.util.ArrayList<Version>(Config
.<java.util.HashSet<Version>> GetValue(ConfigValues.SupportedClusterLevels)));
}
}
}