Targets.java example

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activityinfo-master
package org.activityinfo.legacy.shared.impl.pivot;

/*
 * #%L
 * ActivityInfo Server
 * %%
 * Copyright (C) 2009 - 2013 UNICEF
 * %%
 * 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 3 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-3.0.html>.
 * #L%
 */

import com.bedatadriven.rebar.sql.client.query.SqlQuery;
import com.google.common.collect.Maps;
import org.activityinfo.legacy.shared.command.DimensionType;
import org.activityinfo.legacy.shared.command.PivotSites;
import org.activityinfo.legacy.shared.command.PivotSites.ValueType;
import org.activityinfo.legacy.shared.impl.Tables;
import org.activityinfo.legacy.shared.model.IndicatorDTO;
import org.activityinfo.legacy.shared.reports.content.TargetCategory;

import java.util.Map;
import java.util.Set;

public class Targets extends BaseTable {

    private Map<DimensionType, String> fieldNames;

    public Targets() {
        fieldNames = Maps.newHashMap();
        fieldNames.put(DimensionType.Partner, "Target.PartnerId");
        fieldNames.put(DimensionType.Activity, "Indicator.ActivityId");
        fieldNames.put(DimensionType.Indicator, "Indicator.IndicatorId");
        fieldNames.put(DimensionType.Project, "Target.ProjectId");
        fieldNames.put(DimensionType.Database, "Activity.DatabaseId");
        fieldNames.put(DimensionType.Date, "Target.Date2");
    }

    @Override
    public boolean accept(PivotSites command) {
        if (command.getValueType() != ValueType.INDICATOR) {
            return false;
        }
        if (!command.getDimensionTypes().contains(DimensionType.Target)) {
            return false;
        }
        if (!supported(command.getDimensionTypes())) {
            return false;
        }
        if (!supported(command.getFilter().getRestrictedDimensions())) {
            return false;
        }

        return true;
    }

    private boolean supported(Set<DimensionType> dimensionTypes) {
        for (DimensionType type : dimensionTypes) {
            switch (type) {
                case Partner:
                case Activity:
                case Indicator:
                case Project:
                case Database:
                case Date:
                case Target:
                    continue;
                default:
                    return false;
            }
        }
        return true;
    }

    @Override
    public TargetCategory getTargetCategory() {
        return TargetCategory.TARGETED;
    }

    @Override
    public void setupQuery(PivotSites command, SqlQuery query) {
        query.from(Tables.TARGET_VALUE, "V");
        query.leftJoin(Tables.TARGET, "Target").on("V.TargetId = Target.TargetId");
        query.leftJoin(Tables.INDICATOR, "Indicator").on("V.IndicatorId = Indicator.IndicatorId");
        query.leftJoin(Tables.ACTIVITY, "Activity").on("Activity.ActivityId = Indicator.ActivityId");
        query.leftJoin(Tables.SITE, "Site").on("Site.ActivityId = Activity.ActivityId");
        query.leftJoin(Tables.USER_DATABASE, "UserDatabase").on("UserDatabase.DatabaseId = Activity.DatabaseId");

        // don't use an actual sum query, target value is the same regardless of the number of sites
        query.appendColumn(String.valueOf(IndicatorDTO.AGGREGATE_SUM), ValueFields.AGGREGATION);
        query.appendColumn("V.Value", ValueFields.SUM);
        query.appendColumn("COUNT(V.Value)", ValueFields.COUNT);
    }

    @Override
    public String getDimensionIdColumn(DimensionType type) {
        switch (type) {
            case Partner:
                return "Target.PartnerId";
            case Activity:
                return "Indicator.ActivityId";
            case Indicator:
                return "Indicator.IndicatorId";
            case Project:
                return "Target.ProjectId";
            case Database:
                return "Activity.DatabaseId";
        }
        throw new UnsupportedOperationException("type: " + type);
    }

    @Override
    public String getDateCompleteColumn() {
        return "Target.Date2";
    }

}