de.metas.ui.web.handlingunits.process.WEBUI_M_HU_Receipt

Introduction

Here is the source code for de.metas.ui.web.handlingunits.process.WEBUI_M_HU_Receipt_Base.java
Source

package de.metas.ui.web.handlingunits.process;

import org.adempiere.util.lang.MutableInt;

import com.google.common.base.Predicates;

/*
 * #%L
 * metasfresh-webui-api
 * %%
 * Copyright (C) 2017 metas GmbH
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as
 * published by the Free Software Foundation, either version 2 of the
 * License, or (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this program. If not, see
 * <http://www.gnu.org/licenses/gpl-2.0.html>.
 * #L%
 */

import de.metas.process.IProcessPrecondition;
import de.metas.process.ProcessPreconditionsResolution;
import de.metas.ui.web.handlingunits.HUEditorRow;
import de.metas.ui.web.handlingunits.HUEditorView;
import de.metas.ui.web.process.adprocess.ViewBasedProcessTemplate;
import de.metas.ui.web.window.datatypes.DocumentIdsSelection;

/**
 * Common base class to dedupliate code.
 *
 * @author metas-dev <dev@metasfresh.com>
 *
 */
public abstract class WEBUI_M_HU_Receipt_Base extends ViewBasedProcessTemplate implements IProcessPrecondition {
    @Override
    public ProcessPreconditionsResolution checkPreconditionsApplicable() {
        if (!isViewClass(HUEditorView.class)) {
            return ProcessPreconditionsResolution
                    .rejectWithInternalReason("The current view is not an HUEditorView");
        }

        final DocumentIdsSelection selectedRowIds = getSelectedRowIds();
        if (selectedRowIds.isEmpty()) {
            return ProcessPreconditionsResolution.rejectBecauseNoSelection();
        }

        final MutableInt checkedDocumentsCount = new MutableInt(0);
        final ProcessPreconditionsResolution firstRejection = getView(HUEditorView.class)
                .streamByIds(selectedRowIds).filter(document -> document.isPureHU())

                .peek(document -> checkedDocumentsCount.incrementAndGet()) // count checked documents
                .map(document -> rejectResolutionOrNull(document)) // create reject resolution if any
                .filter(Predicates.notNull()) // filter out those which are not errors
                .findFirst().orElse(null);
        if (firstRejection != null) {
            // found a record which is not eligible => don't run the process
            return firstRejection;
        }
        if (checkedDocumentsCount.getValue() <= 0) {
            return ProcessPreconditionsResolution.rejectWithInternalReason("no eligible rows");
        }

        return ProcessPreconditionsResolution.accept();
    }

    /**
     * Check the individual given row, to find out if this process can be applied to it or not.
     *
     * @return {@code null} if there is no reason to reject the given {@code document}.
     */
    abstract ProcessPreconditionsResolution rejectResolutionOrNull(HUEditorRow document);

}
de.metas.ui.web.handlingunits.process.WEBUI_M_HU_Receipt_Base.java Source code

Introduction

Source
