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ArangoDB Spring Data

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/*
 * DISCLAIMER
 *
 * Copyright 2017 ArangoDB GmbH, Cologne, Germany
 *
 * 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.
 *
 * Copyright holder is ArangoDB GmbH, Cologne, Germany
 */

package com.arangodb.springframework.repository.query;

import java.util.Map;

import org.springframework.data.repository.query.ParametersParameterAccessor;

import com.arangodb.model.AqlQueryOptions;

/**
 * This class provides access to parameters of a user-defined method. It wraps ParametersParameterAccessor which catches
 * special parameters Sort and Pageable, and catches Arango-specific parameters e.g. AqlQueryOptions.
 * 
 * @author Audrius Malele
 * @author Mark Vollmary
 * @author Christian Lechner
 */
public class ArangoParametersParameterAccessor extends ParametersParameterAccessor implements ArangoParameterAccessor {

	private final ArangoParameters parameters;

	public ArangoParametersParameterAccessor(ArangoQueryMethod method, Object[] values) {
		super(method.getParameters(), values);
		this.parameters = method.getParameters();
	}

	@Override
	public ArangoParameters getParameters() {
		return parameters;
	}

	@Override
	public AqlQueryOptions getQueryOptions() {
		final int optionsIndex = parameters.getQueryOptionsIndex();
		return optionsIndex == -1 ? null : getValue(optionsIndex);
	}

	@Override
	public Map getBindVars() {
		final int bindVarsIndex = parameters.getBindVarsIndex();
		return bindVarsIndex == -1 ? null : getValue(bindVarsIndex);
	}

}