/*
* 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 com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.core.client.JsArrayMixed;
/**
* Specify a range of Keys. Used to openCursors on object stores or indexes.
* @param <K> The type of the key referenced by this KeyRange .
* @author Thiago da Rosa de Bustamante
*
*/
public class WSQLKeyRange<K> implements KeyRange<K>
{
private final JsArrayMixed properties;
protected WSQLKeyRange(JsArrayMixed properties)
{
this.properties = properties;
}
public boolean isLowerOpen()
{
return properties.getBoolean(2);
}
public boolean isUpperOpen()
{
return properties.getBoolean(3);
}
public static JavaScriptObject getNativeKeyRange(KeyRange<?> range)
{
return getNativeKeyRange(((WSQLKeyRange<?>)range).properties);
}
private static native JavaScriptObject getNativeKeyRange(JsArrayMixed properties)/*-{
return {
lower: properties[0],
upper: properties[1]
};
}-*/;
}