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package net.wotonomy.test;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import net.wotonomy.control.EOEditingContext;
import net.wotonomy.control.EOFetchSpecification;
import net.wotonomy.control.EOGlobalID;
import net.wotonomy.control.EOObjectStore;
import net.wotonomy.control.EOObserverCenter;
import net.wotonomy.test.DataKeyID;
import net.wotonomy.datastore.DataSoup;
import net.wotonomy.datastore.DataView;
import net.wotonomy.datastore.XMLFileSoup;
import net.wotonomy.foundation.NSArray;
import net.wotonomy.foundation.NSMutableArray;
import net.wotonomy.foundation.internal.Duplicator;
import net.wotonomy.foundation.internal.WotonomyException;
/**
* An object store that wraps a datastore for vending test objects.
*/
public class TestObjectStore extends EOObjectStore {
DataSoup soup;
/**
* Constructor specifies path to datastore.
*/
public TestObjectStore(String aPath) {
soup = new XMLFileSoup(aPath);
}
/**
* This implementation simply returns objectsWithSourceGlobalID.
*/
@Override
public NSArray arrayFaultWithSourceGlobalID(EOGlobalID aGlobalID, String aRelationship, EOEditingContext aContext) {
return objectsForSourceGlobalID(aGlobalID, aRelationship, aContext);
}
/**
* This implementation returns the actual object for the specified id.
*/
@Override
public Object faultForGlobalID(EOGlobalID aGlobalID, EOEditingContext aContext) {
System.out.println("TestObjectStore: * reading object * : " + aGlobalID);
return soup.getObjectByKey(((DataKeyID) aGlobalID).getKey());
}
/**
* Returns a fault representing an object of the specified entity type with
* values from the specified dictionary. The fault should belong to the
* specified editing context.
*/
@Override
public Object faultForRawRow(Map aDictionary, String anEntityName, EOEditingContext aContext) {
// TODO: faults are not yet supported
throw new WotonomyException("Faults are not yet supported.");
}
/**
* Given a newly instantiated object, this method initializes its properties to
* values appropriate for the specified id. The object should belong to the
* specified editing context. This method is called to populate faults.
*/
@Override
public void initializeObject(Object anObject, EOGlobalID aGlobalID, EOEditingContext aContext) {
System.out.println("TestObjectStore: * reading object * : " + aGlobalID);
Object original = soup.getObjectByKey(((DataKeyID) aGlobalID).getKey());
EOObserverCenter.notifyObserversObjectWillChange(anObject);
Duplicator.deepCopy(original, anObject);
// TODO: need to handle child object registration in aContext
}
/**
* Remove all values from all objects in memory, turning them into faults, and
* posts a notification that all objects have been invalidated.
*/
@Override
public void invalidateAllObjects() {
// does nothing
}
/**
* Removes values with the specified ids from memory, turning them into faults,
* and posts a notification that those objects have been invalidated.
*/
@Override
public void invalidateObjectsWithGlobalIDs(List aList) {
// does nothing
}
/**
* Returns false because locking is not permitted.
*/
@Override
public boolean isObjectLockedWithGlobalID(EOGlobalID aGlobalID, EOEditingContext aContext) {
return false;
}
/**
* Does nothing because locking is not permitted.
*/
@Override
public void lockObjectWithGlobalID(EOGlobalID aGlobalID, EOEditingContext aContext) {
// does nothing
}
/**
* Returns a List of objects associated with the object with the specified id
* for the specified property relationship. Faults are not allowed in the array.
* All objects should belong to the specified editing context.
*/
@Override
public NSArray objectsForSourceGlobalID(EOGlobalID aGlobalID, String aRelationship, EOEditingContext aContext) {
// TODO: relationships are not yet supported
throw new WotonomyException("Relationships are not yet supported.");
}
/**
* Returns a List of objects the meet the criteria of the supplied
* specification. Faults are not allowed in the array. Each object is registered
* with the specified editing context. If any object is already registered in
* the specified context, it is not refetched and that object should be used in
* the array.
*/
@Override
public NSArray objectsWithFetchSpecification(EOFetchSpecification aFetchSpec, EOEditingContext aContext) {
// TODO: fetch specs are not yet supported
DataView view = soup.queryObjects(null, null);
System.out.println("TestObjectStore: ** querying all objects **");
NSMutableArray result = new NSMutableArray();
Object o;
Object existing;
DataKeyID id;
Iterator it = view.iterator();
while (it.hasNext()) {
o = it.next();
id = new DataKeyID(view.getKeyForObject(o));
existing = aContext.objectForGlobalID(id);
if (existing != null) {
o = existing;
} else {
aContext.recordObject(o, id);
}
result.addObject(o);
}
return result;
}
/**
* Removes all values from the specified object, converting it into a fault for
* the specified id. New or deleted objects should not be refaulted.
*/
@Override
public void refaultObject(Object anObject, EOGlobalID aGlobalID, EOEditingContext aContext) {
// TODO: faults are not yet supported
// just re-initialize the object
initializeObject(anObject, aGlobalID, aContext);
}
/**
* Writes all changes in the specified editing context to the respository.
*/
@Override
public void saveChangesInEditingContext(EOEditingContext aContext) {
Object o;
DataKeyID id;
Iterator it;
System.out.println(aContext.updatedObjects());
// process updates
it = aContext.updatedObjects().iterator();
while (it.hasNext()) {
o = it.next();
id = (DataKeyID) aContext.globalIDForObject(o);
System.out.println("TestObjectStore: * updating object * : " + id);
soup.updateObject(id.getKey(), o);
}
// process deletes
it = aContext.deletedObjects().iterator();
while (it.hasNext()) {
o = it.next();
id = (DataKeyID) aContext.globalIDForObject(o);
System.out.println("TestObjectStore: * deleting object * : " + id);
soup.removeObject(id.getKey());
// remove object from editing context
aContext.forgetObject(o);
}
// process inserts
it = aContext.insertedObjects().iterator();
while (it.hasNext()) {
o = it.next();
id = new DataKeyID(soup.addObject(o));
System.out.println("TestObjectStore: * adding object * : " + id);
// register object in editing context with new id
aContext.forgetObject(o);
aContext.recordObject(o, id);
}
}
}
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