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/*
 * vertigo - application development platform
 *
 * Copyright (C) 2013-2024, Vertigo.io, [email protected]
 *
 * 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.vertigo.orchestra.impl.services;

import java.util.List;
import java.util.Optional;

import javax.inject.Inject;

import io.vertigo.core.lang.Assertion;
import io.vertigo.orchestra.impl.services.execution.ProcessExecutorImpl;
import io.vertigo.orchestra.impl.services.execution.ProcessExecutorPlugin;
import io.vertigo.orchestra.impl.services.schedule.ProcessSchedulerImpl;
import io.vertigo.orchestra.impl.services.schedule.ProcessSchedulerPlugin;
import io.vertigo.orchestra.services.OrchestraServices;
import io.vertigo.orchestra.services.execution.ProcessExecutor;
import io.vertigo.orchestra.services.log.ProcessLogger;
import io.vertigo.orchestra.services.report.ProcessReport;
import io.vertigo.orchestra.services.schedule.ProcessScheduler;

/**
 * Implémentation du manager des executions.
 *
 * @author mlaroche.
 * @version $Id$
 */
public final class OrchestraServicesImpl implements OrchestraServices {

	private final ProcessExecutor processExecutor;
	private final Optional optionalProcessLog;
	private final Optional optionalProcessReport;
	private final ProcessScheduler processScheduler;

	/**
	 * Constructeur du gestionnaire de l'execution des processus orchestra.
	 * @param processExecutorPlugins plugins of execution
	 * @param logProviderPlugin plugin for logging
	 * @param processReportPlugin plugin for reporting
	 * @param processSchedulerPlugins plugins for scheduling
	 */
	@Inject
	public OrchestraServicesImpl(
			final List processExecutorPlugins,
			final Optional logProviderPlugin,
			final Optional processReportPlugin,
			final List processSchedulerPlugins) {
		Assertion.check()
				.isNotNull(processExecutorPlugins)
				.isNotNull(logProviderPlugin)
				.isNotNull(processReportPlugin)
				.isNotNull(processSchedulerPlugins);
		// ---
		processExecutor = new ProcessExecutorImpl(processExecutorPlugins);
		processScheduler = new ProcessSchedulerImpl(processSchedulerPlugins, processExecutor);
		optionalProcessLog = Optional.ofNullable(logProviderPlugin.orElse(null));
		optionalProcessReport = Optional.ofNullable(processReportPlugin.orElse(null));

	}

	/** {@inheritDoc} */
	@Override
	public ProcessExecutor getExecutor() {
		return processExecutor;
	}

	/** {@inheritDoc} */
	@Override
	public ProcessScheduler getScheduler() {
		return processScheduler;
	}

	@Override
	public ProcessLogger getLogger() {
		return optionalProcessLog
				.orElseThrow(() -> new IllegalStateException("A ProcessLogPlugin must be defined for logging"));
	}

	@Override
	public ProcessReport getReport() {
		return optionalProcessReport
				.orElseThrow(() -> new IllegalStateException("A ProcessReportPlugin must be defined for retrieving executions and summaries"));
	}

}