/*
 * Copyright (c) nosqlbench
 *
 * 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 io.nosqlbench.virtdata.core.bindings;

import io.nosqlbench.virtdata.api.processors.DocFuncData;

import java.util.ArrayList;
import java.util.List;
import java.util.ServiceLoader;
import java.util.stream.Collectors;

public class VirtDataFunctionFinder {
    public VirtDataFunctionFinder() {
    }

    public List<String> getFunctionNames() {

        ServiceLoader<DocFuncData> loader =ServiceLoader.load(DocFuncData.class);
        List<String> names = new ArrayList<>();
        loader.iterator().forEachRemaining(d -> names.add(d.getPackageName() + "." + d.getClassName()));
        List<String> cleaned = names.stream().sorted().distinct().collect(Collectors.toList());
        return cleaned;
    }
}
