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TRAC D.A.P. orchestration library, interfaces and core functionality for job orchestration

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/*
 * Licensed to the Fintech Open Source Foundation (FINOS) under one or
 * more contributor license agreements. See the NOTICE file distributed
 * with this work for additional information regarding copyright ownership.
 * FINOS 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.finos.tracdap.common.exec;

import org.finos.tracdap.common.exception.ETracInternal;

import java.util.ArrayList;
import java.util.List;

public class BatchConfig {

    private final LaunchCmd launchCmd;
    private List launchArgs;

    private boolean redirectOutput;
    private LaunchArg stdOut;
    private LaunchArg stdErr;

    private BatchConfig(LaunchCmd launchCmd, List launchArgs, boolean redirectOutput, LaunchArg stdOut, LaunchArg stdErr) {
        this.launchCmd = launchCmd;
        this.launchArgs = launchArgs;
        this.redirectOutput = redirectOutput;
        this.stdOut = stdOut;
        this.stdErr = stdErr;
    }

    public static BatchConfig forCommand(LaunchCmd launchCmd, List launchArgs) {
        return new BatchConfig(launchCmd, launchArgs, false, null, null);
    }

    void addExtraArgs(List extraArgs) {

        var newLaunchArgs = new ArrayList<>(launchArgs);
        newLaunchArgs.addAll(extraArgs);

        this.launchArgs = newLaunchArgs;
    }

    void addLoggingRedirect(LaunchArg stdOut, LaunchArg stdErr) {

        if (stdOut.getArgType() != LaunchArgType.PATH || stdErr.getArgType() != LaunchArgType.PATH)
            throw new ETracInternal("Batch config for stdOut and stdErr must have arg type PATH");

        this.redirectOutput = true;
        this.stdOut = stdOut;
        this.stdErr = stdErr;
    }

    public LaunchCmd getLaunchCmd() {
        return launchCmd;
    }

    public List getLaunchArgs() {
        return launchArgs;
    }

    public boolean isRedirectOutput() {
        return redirectOutput;
    }

    public LaunchArg getStdOut() {
        return stdOut;
    }

    public LaunchArg getStdErr() {
        return stdErr;
    }
}