/** Binding version of Cursor.getSearchKeyRange(), no join cursor allowed. */
OperationStatus getSearchKeyRange(Object key, Object value, boolean lockForWrite)
throws DatabaseException {
checkNoJoinCursor();
LockMode lockMode = getLockMode(lockForWrite);
if (view.dupsView) {
if (view.useKey(key, value, primaryKeyThang, view.dupsRange)) {
KeyRange.copy(view.dupsKey, keyThang);
return cursor.getSearchBothRange(keyThang, primaryKeyThang, valueThang, lockMode);
}
} else {
if (view.useKey(key, value, keyThang, range)) {
return cursor.getSearchKeyRange(keyThang, primaryKeyThang, valueThang, lockMode);
}
}
return OperationStatus.NOTFOUND;
}
/**
* Find the given key and value using getSearchBoth if possible or a sequential scan otherwise, no
* join cursor allowed.
*/
OperationStatus findBoth(Object key, Object value, boolean lockForWrite)
throws DatabaseException {
checkNoJoinCursor();
LockMode lockMode = getLockMode(lockForWrite);
view.useValue(value, valueThang, null);
if (view.dupsView) {
if (view.useKey(key, value, primaryKeyThang, view.dupsRange)) {
KeyRange.copy(view.dupsKey, keyThang);
if (otherThang == null) {
otherThang = new DatabaseEntry();
}
OperationStatus status =
cursor.getSearchBoth(keyThang, primaryKeyThang, otherThang, lockMode);
if (status == OperationStatus.SUCCESS && KeyRange.equalBytes(otherThang, valueThang)) {
return status;
}
}
} else if (view.useKey(key, value, keyThang, range)) {
if (view.isSecondary()) {
if (otherThang == null) {
otherThang = new DatabaseEntry();
}
OperationStatus status =
cursor.getSearchKey(keyThang, primaryKeyThang, otherThang, lockMode);
while (status == OperationStatus.SUCCESS) {
if (KeyRange.equalBytes(otherThang, valueThang)) {
return status;
}
status =
cursor.getNextDup(
keyThang, primaryKeyThang,
otherThang, lockMode);
}
/* if status != SUCCESS set range cursor to invalid? */
} else {
return cursor.getSearchBoth(keyThang, null, valueThang, lockMode);
}
}
return OperationStatus.NOTFOUND;
}
/** Do setup for a put() operation. */
private void initForPut(Object key, Object value, Object[] oldValue, boolean useCurrentKey)
throws DatabaseException {
checkWriteAllowed(false);
if (!useCurrentKey && !view.useKey(key, value, keyThang, range)) {
throw new IllegalArgumentException("key out of range");
}
if (oldValue != null) {
oldValue[0] = null;
if (!view.dupsAllowed) {
OperationStatus status = doGetSearchKey(true);
if (status == OperationStatus.SUCCESS) {
oldValue[0] = getCurrentValue();
}
}
}
view.useValue(value, valueThang, keyThang);
}
