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/**
 * Copyright 2012 StackMob
 *
 * 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.stackmob.sdk.callback;

import com.stackmob.sdk.model.StackMobModel;
import com.stackmob.sdk.exception.StackMobException;

import java.util.List;

/**
 * A callback used by {@link com.stackmob.sdk.model.StackMobModel#query(Class, com.stackmob.sdk.api.StackMobQuery, StackMobQueryCallback)}.
 * @param  The type of the class to receive on success
 */
public abstract class StackMobQueryCallback {
    /**
     * override this method to handles cases where a call has succeeded.
     * @param result a list of StackMobModel subclasses returned by the query
     */
    public abstract void success(List result);

    /**
     * override this method to handle errors
     * @param e a representation of the error that occurred
     */
    abstract public void failure(StackMobException e);
}