oal-parser/src/main/java/org/apache/skywalking/oal/tool/parser/SourceColumnsFactory.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.skywalking.oal.tool.parser;

import java.util.LinkedList;
import java.util.List;

public class SourceColumnsFactory {
    public static List<SourceColumn> getColumns(String source) {
        List<SourceColumn> columnList;
        SourceColumn idColumn;
        switch (source) {
            case "Service":
                columnList = new LinkedList<>();
                idColumn = new SourceColumn("id", "id", int.class, true);
                columnList.add(idColumn);
                SourceColumn serviceIdColumn = new SourceColumn("serviceId", "serviceId", int.class, false);
                columnList.add(serviceIdColumn);
                SourceColumn serviceInstanceIdColumn = new SourceColumn("serviceInstanceId", "serviceInstanceId", int.class, false);
                columnList.add(serviceInstanceIdColumn);
                return columnList;
            case "Endpoint":
                columnList = new LinkedList<>();
                idColumn = new SourceColumn("id", "id", int.class, true);
                columnList.add(idColumn);
                return columnList;
            default:
                throw new IllegalArgumentException("Illegal source :" + source);
        }
    }
}