/**
 * Copyright (C) 2006-2018 Talend Inc. - www.talend.com
 *
 * 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 org.talend.sdk.component.junit.environment.builtin.beam;

import java.lang.annotation.Annotation;

import org.jboss.shrinkwrap.resolver.api.maven.ScopeType;
import org.jboss.shrinkwrap.resolver.api.maven.coordinate.MavenDependencies;
import org.jboss.shrinkwrap.resolver.api.maven.coordinate.MavenDependency;
import org.jboss.shrinkwrap.resolver.api.maven.coordinate.MavenDependencyExclusion;
import org.talend.sdk.component.junit.environment.ClassLoaderEnvironment;

public abstract class BeamEnvironment extends ClassLoaderEnvironment {

    private boolean skipBeamSdk;

    private String beamVersion;

    @Override
    protected AutoCloseable doStart(final Class<?> clazz, final Annotation[] annotations) {
        beamVersion = System.getProperty("talend.junit.beam.version", Versions.BEAM_VERSION);
        try {
            BeamEnvironment.class.getClassLoader().loadClass("org.talend.sdk.component.runtime.beam.TalendIO");
            skipBeamSdk = true;
        } catch (final NoClassDefFoundError | ClassNotFoundException e) {
            skipBeamSdk = false;
        }
        return super.doStart(clazz, annotations);
    }

    @Override
    protected MavenDependency[] rootDependencies() {
        return new MavenDependency[] { MavenDependencies.createDependency(rootDependencyBase() + ":jar:" + beamVersion,
                ScopeType.RUNTIME, false,
                skipBeamSdk
                        ? new MavenDependencyExclusion[] {
                                MavenDependencies.createExclusion("org.apache.beam", "beam-sdks-java-core") }
                        : new MavenDependencyExclusion[0]) };
    }

    @Override
    public String getName() {
        return super.getName().replace("Runner", "");
    }

    protected abstract String rootDependencyBase();
}

@@ -1713,48 +1713,368 @@
     
-return super.doStart(clazz, annotations)
+// TODO when available in beam 2.4.0: PipelineOptionsfactory.resetCache()%0A        final AutoCloseable delegate = super.doStart(clazz, annotations);%0A        return () -%3E %7B%0A            try %7B%0A                delegate.close();%0A            %7D finally %7B%0A                // TODO when available in beam 2.4.0: PipelineOptionsfactory.resetCache()%0A            %7D%0A        %7D
 ;%0A  

comment on beam support