/** 
 * ============LICENSE_START=======================================================
 * org.onap.aai
 * ================================================================================
 * Copyright © 2017-18 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * 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.
 * ============LICENSE_END=========================================================
 */

package org.onap.aai.setup;

import java.io.*;
import java.util.List;

/**
 * Converts the contents of the schema config file
 * (which lists which schema files to be loaded) to
 * the format the Ingestors can work with.
 * 
 */
public abstract class Translator {

    protected SchemaVersions schemaVersions;

    public Translator(SchemaVersions schemaVersions) {
        this.schemaVersions = schemaVersions;
    }

    /**
     * Translates the contents of the schema config file
     * into the input for the NodeIngestor
     * 
     * @return Map of Version to the list of (string) filenames to be
     *         ingested for that version
     */

    public abstract List<InputStream> getVersionNodeStream(SchemaVersion schemaVersion) throws IOException;

    public abstract List<String> getJsonPayload(SchemaVersion schemaVersion) throws IOException;

    /**
     * Translates the contents of the schema config file
     * into the input for the EdgeIngestor
     * 
     * @return Map of Version to the List of (String) filenames to be
     *         ingested for that version
     */

    public SchemaVersions getSchemaVersions() {
        return this.schemaVersions;
    }
}