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/**
 * Copyright (C) 2019 Bonitasoft S.A.
 * Bonitasoft, 32 rue Gustave Eiffel - 38000 Grenoble
 * This library is free software; you can redistribute it and/or modify it under the terms
 * of the GNU Lesser General Public License as published by the Free Software Foundation
 * version 2.1 of the License.
 * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Lesser General Public License for more details.
 * You should have received a copy of the GNU Lesser General Public License along with this
 * program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
 * Floor, Boston, MA 02110-1301, USA.
 **/
package org.bonitasoft.engine.search;

import java.util.List;

import org.bonitasoft.engine.bpm.flownode.HumanTaskInstance;
import org.bonitasoft.engine.core.process.instance.model.SHumanTaskInstance;
import org.bonitasoft.engine.execution.state.FlowNodeStateManager;
import org.bonitasoft.engine.persistence.QueryOptions;
import org.bonitasoft.engine.persistence.SBonitaReadException;
import org.bonitasoft.engine.search.descriptor.SearchEntityDescriptor;
import org.bonitasoft.engine.service.ModelConvertor;

/**
 * @author Baptiste Mesta
 */
public abstract class AbstractHumanTaskInstanceSearchEntity
        extends AbstractSearchEntity {

    private final FlowNodeStateManager flowNodeStateManager;

    public AbstractHumanTaskInstanceSearchEntity(final SearchEntityDescriptor searchDescriptor,
            final SearchOptions options,
            final FlowNodeStateManager flowNodeStateManager) {
        super(searchDescriptor, options);
        this.flowNodeStateManager = flowNodeStateManager;
    }

    @Override
    public List convertToClientObjects(final List serverObjects) {
        return ModelConvertor.toHumanTaskInstances(serverObjects, flowNodeStateManager);
    }

    /**
     * factory to create a search human task descriptor
     */
    public static AbstractHumanTaskInstanceSearchEntity searchHumanTaskInstance(SearchEntityDescriptor searchDescriptor,
            SearchOptions options,
            FlowNodeStateManager flowNodeStateManager,
            BonitaReadFunction count,
            BonitaReadFunction> search) {
        return new HumanTaskInstanceSearchEntity(searchDescriptor, options, flowNodeStateManager, count, search);
    }

    private static class HumanTaskInstanceSearchEntity extends AbstractHumanTaskInstanceSearchEntity {

        private final BonitaReadFunction count;
        private final BonitaReadFunction> search;

        HumanTaskInstanceSearchEntity(SearchEntityDescriptor searchDescriptor, SearchOptions options,
                FlowNodeStateManager flowNodeStateManager, BonitaReadFunction count,
                BonitaReadFunction> search) {
            super(searchDescriptor, options, flowNodeStateManager);
            this.count = count;
            this.search = search;
        }

        @Override
        public long executeCount(QueryOptions queryOptions) throws SBonitaReadException {
            return count.apply(queryOptions);
        }

        @Override
        public List executeSearch(QueryOptions queryOptions) throws SBonitaReadException {
            return search.apply(queryOptions);
        }
    }
}