/**
* Method that will unload all fields that are not in the FetchPlan. This is typically for use
* when the instance is being refreshed.
*/
public void unloadNonFetchPlanFields() {
int[] fpFieldNumbers = myFP.getMemberNumbers();
int[] nonfpFieldNumbers = null;
if (fpFieldNumbers == null || fpFieldNumbers.length == 0) {
nonfpFieldNumbers = cmd.getAllMemberPositions();
} else {
int fieldCount = cmd.getMemberCount();
if (fieldCount == fpFieldNumbers.length) {
// No fields that arent in FetchPlan
return;
}
nonfpFieldNumbers = new int[fieldCount - fpFieldNumbers.length];
int currentFPFieldIndex = 0;
int j = 0;
for (int i = 0; i < fieldCount; i++) {
if (currentFPFieldIndex >= fpFieldNumbers.length) {
// Past end of FetchPlan fields
nonfpFieldNumbers[j++] = i;
} else {
if (fpFieldNumbers[currentFPFieldIndex] == i) {
// FetchPlan field so move to next
currentFPFieldIndex++;
} else {
nonfpFieldNumbers[j++] = i;
}
}
}
}
// Mark all non-FetchPlan fields as unloaded
for (int i = 0; i < nonfpFieldNumbers.length; i++) {
loadedFields[nonfpFieldNumbers[i]] = false;
}
}
/** Method to (re)connect the provider to the specified ExecutionContext and object type. */
public void connect(ExecutionContext ec, AbstractClassMetaData cmd) {
int fieldCount = cmd.getMemberCount();
this.cmd = cmd;
this.dirtyFields = new boolean[fieldCount];
this.loadedFields = new boolean[fieldCount];
this.dirty = false;
this.myEC = ec;
this.myFP = myEC.getFetchPlan().getFetchPlanForClass(cmd);
this.lock = new ReentrantLock();
this.lockMode = LockManager.LOCK_MODE_NONE;
this.savedFlags = 0;
this.savedLoadedFields = null;
this.objectType = 0;
this.activity = ActivityState.NONE;
this.myVersion = null;
this.transactionalVersion = null;
this.persistenceFlags = 0;
}
