16 package org.zorbaxquery.api.xqj;
18 import java.util.ArrayList;
19 import java.util.Collection;
20 import javax.xml.xquery.XQException;
21 import javax.xml.xquery.XQItem;
22 import javax.xml.xquery.XQSequence;
23 import org.zorbaxquery.api.CollectionManager;
32 private boolean closed =
false;
33 private CollectionManager collectionManager = null;
34 private Collection<XQSequence> sequences =
new ArrayList<XQSequence>();
35 private Collection<ZorbaXQCollection> collections =
new ArrayList<ZorbaXQCollection>();
38 collectionManager = cm;
47 public void close() throws XQException {
48 for (XQSequence exp : sequences ){
54 if (collectionManager!=null) {
55 collectionManager.delete();
80 isClosedXQException();
82 sequences.add(result);
95 isClosedXQException();
96 collectionManager.createCollection(((org.zorbaxquery.api.xqj.ZorbaXQItem)aName).getZorbaItem());
107 isClosedXQException();
108 collectionManager.deleteCollection(((org.zorbaxquery.api.xqj.ZorbaXQItem)aName).getZorbaItem());
121 isClosedXQException();
123 collections.add(result);
140 isClosedXQException();
141 return collectionManager.isAvailableCollection( ((org.zorbaxquery.api.xqj.ZorbaXQItem)aName).getZorbaItem() );
144 private void isClosedXQException() throws XQException {
146 throw new XQException(
"CollectionManager is closed");
XQSequence availableCollections()
This function returns a sequence of names of the collections that are available.
A Collection is a persistent sequence of node items.
This class defines a set of functions for managing persistent collections.
boolean isAvailableCollection(XQItem aName)
This function returns true if a collection with the given name is available.
boolean isClosed()
Checks if the collection manager is closed.
void deleteCollection(XQItem aName)
This function removes the collection with the given name.
This interface represents a sequence of items as defined in the XDM.
void close()
Closes the collection manager.
ZorbaXQCollectionManager(CollectionManager cm)
void createCollection(XQItem aName)
This function creates the collection with the given name.
ZorbaXQCollection getCollection(XQItem aName)
Returns a instance of the Collection class which can be used to modify and retrieve the contents of t...