/*
 * Copyright 2013-2019 the original author or authors.
 *
 * 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
 *
 *      https://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.springframework.data.elasticsearch.repository.query;

import java.lang.reflect.Method;

import org.springframework.core.annotation.AnnotationUtils;
import org.springframework.data.elasticsearch.annotations.Query;
import org.springframework.data.projection.ProjectionFactory;
import org.springframework.data.repository.core.RepositoryMetadata;
import org.springframework.data.repository.query.QueryMethod;
import org.springframework.util.StringUtils;

/**
 * ElasticsearchQueryMethod
 *
 * @author Rizwan Idrees
 * @author Mohsin Husen
 * @author Oliver Gierke
 */
public class ElasticsearchQueryMethod extends QueryMethod {

	private final Query queryAnnotation;

	public ElasticsearchQueryMethod(Method method, RepositoryMetadata metadata, ProjectionFactory factory) {
		super(method, metadata, factory);
		this.queryAnnotation = method.getAnnotation(Query.class);
	}

	public boolean hasAnnotatedQuery() {
		return this.queryAnnotation != null;
	}

	public String getAnnotatedQuery() {
		String query = (String) AnnotationUtils.getValue(queryAnnotation, "value");
		return StringUtils.hasText(query) ? query : null;
	}
}
