IDXFileCursor.java

/*
 * Copyright 2013 cruxframework.org.
 * 
 * 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 org.cruxframework.crux.core.client.db;

import org.cruxframework.crux.core.client.db.indexeddb.IDBCursorWithValue;
import org.cruxframework.crux.core.client.file.Blob;

import com.google.gwt.core.client.JsArrayMixed;

/**
 * CRUX INTERNAL CLASS. DO NOT USE IT DIRECTLY.
 * 
 * Indexed DB implementation for FileCursor Interface. Use the interface {@link FileCursor} instead. 
 * @author Thiago da Rosa de Bustamante
 */
public class IDXFileCursor extends IDXCursor<String, Blob> implements FileCursor
{
	protected IDXFileCursor(IDBCursorWithValue idbCursor)
    {
	    super(idbCursor);
    }

	@Override
    public JsArrayMixed getNativeArrayKey()
    {
	    JsArrayMixed key = JsArrayMixed.createArray().cast();
	    key.push(getKey());
	    return key;
    }

	@Override
    public void update(final Blob file)
    {
		idbCursor.update(file);
    }

	@Override
    public String getKey()
    {
	    return idbCursor.getStringKey();
    }

	@Override
    public Blob getValue()
    {
	    return idbCursor.getValue().cast();
    }

	@Override
    public void continueCursor(String key)
    {
		idbCursor.continueCursor(key);
    }
}