253 lines
8.5 KiB
Java
Executable File
253 lines
8.5 KiB
Java
Executable File
package org.gcube.informationsystem.collector.impl.porttypes;
|
|
|
|
|
|
import javax.xml.namespace.QName;
|
|
|
|
import org.oasis.wsrf.faults.BaseFaultType;
|
|
|
|
import org.gcube.common.core.contexts.GCUBEServiceContext;
|
|
import org.gcube.common.core.porttypes.GCUBEPortType;
|
|
import org.gcube.common.core.utils.logging.GCUBELog;
|
|
import org.gcube.informationsystem.collector.impl.contexts.ICServiceContext;
|
|
import org.gcube.informationsystem.collector.impl.xmlstorage.exist.State;
|
|
import org.gcube.informationsystem.collector.impl.xmlstorage.exist.Sweeper;
|
|
import org.gcube.informationsystem.collector.impl.xmlstorage.exist.XQuery;
|
|
import org.gcube.informationsystem.collector.stubs.DeleteProfileParams;
|
|
|
|
import org.globus.wsrf.utils.FaultHelper;
|
|
|
|
import org.xmldb.api.base.ResourceSet;
|
|
import org.xmldb.api.modules.XMLResource;
|
|
|
|
/**
|
|
* State service implementation class
|
|
*
|
|
* @author Manuele Simi (ISTI-CNR)
|
|
*
|
|
*/
|
|
public class XMLCollectionAccess extends GCUBEPortType {
|
|
|
|
/**
|
|
* WS Properties namespace
|
|
*/
|
|
public static final QName RP_SET = new QName(
|
|
"http://gcube-system.org/namespaces/informationsystem/collector/XMLCollectionAccess",
|
|
"ICRP");
|
|
|
|
private final GCUBELog logger = new GCUBELog(XMLCollectionAccess.class);
|
|
|
|
/**
|
|
* Executes the given XQuery on the embedded eXist DB instance
|
|
*
|
|
* @param xquery
|
|
* - a valid XQuery. It must be compliant with the syntax (with
|
|
* the exception of XML Schema-related features) as specified in
|
|
* W3C's recommendations outlined in the June 2006 candidate
|
|
* recommendation
|
|
* @return the result set wrapped in a <Resultset> tag. Each record is
|
|
* wrapped with a <Recordt>
|
|
* @throws BaseFaultType
|
|
* if the XQuery is not valid or the connection to eXist is
|
|
* broken
|
|
*/
|
|
public String executeXQuery(String xquery) throws BaseFaultType {
|
|
|
|
StringBuilder response = new StringBuilder();
|
|
try {
|
|
|
|
logger.debug("executing XQuery: " + xquery);
|
|
|
|
XQuery q = new XQuery(xquery);
|
|
ResourceSet result = State.query_manager.executeXQuery(q);
|
|
logger.debug("number of returned documents: " + result.getSize());
|
|
response.append("<Resultset>\n");
|
|
for (int i = 0; i < (int) result.getSize(); i++) {
|
|
XMLResource xmlres = (XMLResource) result.getResource((long) i);
|
|
// logger.debug("retrieved resource - " + xmlres.getContent());
|
|
response.append("<Record>\n" + xmlres.getContent()+ "\n</Record>\n");
|
|
}
|
|
response.append("</Resultset>");
|
|
|
|
} catch (Exception e) {
|
|
BaseFaultType fault = new BaseFaultType();
|
|
FaultHelper faultHelper = new FaultHelper(fault);
|
|
faultHelper.addFaultCause(e);
|
|
faultHelper.addDescription("IC service: Exception when executing the requested XQuery");
|
|
throw fault;
|
|
}
|
|
return response.toString();
|
|
}
|
|
|
|
/**
|
|
* Removes a profile from the Storage given its DILIGENT Resource ID
|
|
*
|
|
* @param params
|
|
* a stub class including private java.lang.String
|
|
* DILIGENTResourceID; the id of the profile to remove private
|
|
* java.lang.String profileType; the type of the profile to
|
|
* remove (e.g RunningInstance, DHN, Service, etc.);
|
|
* @return true if the resource is successfully deleted
|
|
* @throws BaseFaultType
|
|
* if the type parameter is not valid or an error occurs when
|
|
* deleting the profile
|
|
*/
|
|
|
|
public boolean deleteProfile(DeleteProfileParams params)
|
|
throws BaseFaultType {
|
|
|
|
boolean response = false;
|
|
String id = params.getID();
|
|
String type = params.getProfileType();
|
|
|
|
if ((id == "") || (id == null)) {
|
|
logger.warn("invalid id");
|
|
BaseFaultType fault = new BaseFaultType();
|
|
FaultHelper faultHelper = new FaultHelper(fault);
|
|
faultHelper.addDescription("invalid id");
|
|
throw fault;
|
|
}
|
|
|
|
if ((type == "") || (type == null)) {
|
|
logger.warn("invalid profile type");
|
|
BaseFaultType fault = new BaseFaultType();
|
|
FaultHelper faultHelper = new FaultHelper(fault);
|
|
faultHelper.addDescription("invalid profile type");
|
|
throw fault;
|
|
}
|
|
|
|
try {
|
|
logger.debug("deleting profile " + id + " from collection " + type);
|
|
State.storage_manager.retrieveAndDeleteProfileFromID(id, type);
|
|
if (type.equalsIgnoreCase("RunningInstance"))
|
|
Sweeper.cleanResourceForRI(id);
|
|
|
|
} catch (Exception e) {
|
|
logger.error("unable to remove resource: " + id, e);
|
|
BaseFaultType fault = new BaseFaultType();
|
|
FaultHelper faultHelper = new FaultHelper(fault);
|
|
faultHelper.addFaultCause(e);
|
|
faultHelper
|
|
.addDescription("IC service: Exception when deleting the requested resource");
|
|
throw fault;
|
|
}
|
|
return response;
|
|
}
|
|
|
|
/**
|
|
* Removes a resource from the Storage given its ID
|
|
*
|
|
* @param id
|
|
* - the id of the resoure to remove
|
|
* @return true if the resource is successfully deleted
|
|
* @throws BaseFaultType
|
|
* if the id parameter is null or an error occurs when deleting
|
|
* the profile
|
|
*/
|
|
public boolean deleteResource(String id) throws BaseFaultType {
|
|
|
|
boolean response = false;
|
|
|
|
if ((id == "") || (id == null)) {
|
|
logger.warn("invalid id");
|
|
BaseFaultType fault = new BaseFaultType();
|
|
FaultHelper faultHelper = new FaultHelper(fault);
|
|
faultHelper.addDescription("invalid id");
|
|
throw fault;
|
|
}
|
|
|
|
try {
|
|
logger.debug("deleting resource: " + id);
|
|
State.storage_manager.retrieveAndDeleteResourceFromID(id);
|
|
} catch (Exception e) {
|
|
logger.error("unable to remove resource: " + id, e);
|
|
BaseFaultType fault = new BaseFaultType();
|
|
FaultHelper faultHelper = new FaultHelper(fault);
|
|
faultHelper.addFaultCause(e);
|
|
faultHelper
|
|
.addDescription("IC service: Exception when deleting the requested resource");
|
|
throw fault;
|
|
}
|
|
return response;
|
|
}
|
|
|
|
/**
|
|
* Deletes the entire set of registered RPs from the storage
|
|
*
|
|
* @throws BaseFaultType
|
|
* if an error occurs when deleting the resources
|
|
*/
|
|
public void deleteAllRPs() throws BaseFaultType {
|
|
try {
|
|
logger.info("DeleteAllRPs operation invoked");
|
|
Sweeper.cleanRPs();
|
|
logger.info("All RPs have been deleted from the storage");
|
|
} catch (Exception e) {
|
|
logger.error("unable to clean RPs collction: ", e);
|
|
BaseFaultType fault = new BaseFaultType();
|
|
FaultHelper faultHelper = new FaultHelper(fault);
|
|
faultHelper.addFaultCause(e);
|
|
faultHelper.addDescription("IC service: Exception when deleting the requested resource");
|
|
throw fault;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Disposes the State service
|
|
*
|
|
* @throws BaseFaultType
|
|
* if the shutdown fails
|
|
*/
|
|
public void dispose() throws BaseFaultType {
|
|
try {
|
|
logger.info("Dispose operation invoked");
|
|
logger.info("trying to shutdown the storage instances...");
|
|
try {
|
|
State.storage_manager.shutdown();
|
|
State.query_manager.shutdown();
|
|
} catch (NullPointerException se) {/* nothng to do */
|
|
}
|
|
State.storage_manager = null;
|
|
State.query_manager = null;
|
|
// request the interruption of the sweeper thread
|
|
State.sweeperT.interrupt();
|
|
logger.info("done");
|
|
} catch (Exception e) {
|
|
logger.error("unable to pose the IC with success ", e);
|
|
BaseFaultType fault = new BaseFaultType();
|
|
FaultHelper faultHelper = new FaultHelper(fault);
|
|
faultHelper.addFaultCause(e);
|
|
faultHelper
|
|
.addDescription("-IC service: Unable to pose the service");
|
|
throw fault;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Initialized the State service
|
|
*
|
|
* @throws BaseFaultType
|
|
* if the initialization fails
|
|
*/
|
|
public void initialize() throws BaseFaultType {
|
|
|
|
try {
|
|
logger.info("Initialize operation invoked");
|
|
State.initialize();
|
|
logger.info("done");
|
|
} catch (Exception e) {
|
|
logger.error("Unable to initialize the IC state", e);
|
|
BaseFaultType fault = new BaseFaultType();
|
|
FaultHelper faultHelper = new FaultHelper(fault);
|
|
faultHelper.addFaultCause(e);
|
|
faultHelper.addDescription("-IC service: Unable to initialize the service");
|
|
throw fault;
|
|
}
|
|
}
|
|
|
|
/** {@inheritDoc} */
|
|
@Override
|
|
protected GCUBEServiceContext getServiceContext() {
|
|
return ICServiceContext.getContext();
|
|
}
|
|
}
|