/**
* Copyright (C) 2010 Lowereast Software
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.lowereast.guiceymongo;
import java.util.Iterator;
import com.lowereast.guiceymongo.data.DataWrapper;
import com.lowereast.guiceymongo.data.IsData;
import com.mongodb.DBCursor;
import com.mongodb.DBObject;
public class GuiceyCursor<Item extends IsData> implements Iterator<Item>, Iterable<Item> {
private final DBCursor _cursor;
private final DataWrapper<Item> _wrapper;
public GuiceyCursor(DBCursor cursor, DataWrapper<Item> wrapper) {
_cursor = cursor;
_wrapper = wrapper;
}
public DBCursor getDBCursor() {
return _cursor;
}
public int count() {
return _cursor.count();
}
public GuiceyCursor<Item> limit(int number) {
_cursor.limit(number);
return this;
}
public GuiceyCursor<Item> skip(int number) {
_cursor.skip(number);
return this;
}
public GuiceyCursor<Item> sort(DBObject orderBy) {
_cursor.sort(orderBy);
return this;
}
public Iterator<Item> iterator() {
return this;
}
public boolean hasNext() {
return _cursor.hasNext();
}
public Item next() {
return _wrapper.wrap(_cursor.next());
}
public void remove() {
throw new UnsupportedOperationException("can't remove from a cursor");
}
}