UpdateSliceJsonCommand.java

/**
 * diqube: Distributed Query Base.
 *
 * Copyright (C) 2015 Bastian Gloeckle
 *
 * This file is part of diqube.
 *
 * diqube is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.diqube.ui.websocket.request.commands.analysis;

import java.util.ArrayList;
import java.util.List;

import org.diqube.build.mojo.TypeScriptProperty;
import org.diqube.ui.analysis.UiAnalysis;
import org.diqube.ui.analysis.UiSlice;
import org.diqube.ui.analysis.UiSliceDisjunction;
import org.diqube.ui.websocket.request.CommandResultHandler;
import org.diqube.ui.websocket.request.commands.CommandInformation;
import org.diqube.ui.websocket.result.analysis.SliceJsonResult;

import com.fasterxml.jackson.annotation.JsonProperty;

/**
 * Updates a slice
 *
 * <p>
 * Sends following results:
 * <ul>
 * <li>{@link SliceJsonResult}
 * </ul>
 * 
 * @author Bastian Gloeckle
 */
@CommandInformation(name = UpdateSliceJsonCommand.NAME)
public class UpdateSliceJsonCommand extends AbstractAnalysisAdjustingJsonCommand {

  @TypeScriptProperty
  public static final String NAME = "updateSlice";

  @JsonProperty
  @TypeScriptProperty
  public UiSlice slice;

  @Override
  protected Runnable adjustAnalysis(UiAnalysis analysis, CommandResultHandler resultHandler) {
    UiSlice origSlice = analysis.getSlice(slice.getId());
    if (origSlice == null)
      throw new RuntimeException("Unknown slice: " + slice.getId());

    // validate
    if (slice.getName() == null || "".equals(slice.getName()))
      throw new RuntimeException("Name not set.");

    for (UiSliceDisjunction disj : slice.getSliceDisjunctions()) {
      if (disj.getFieldName() == null || disj.getFieldName().trim().isEmpty())
        throw new RuntimeException("There is a disjunction with empty field name.");

      if (disj.getDisjunctionValues().isEmpty())
        throw new RuntimeException("There are no disjunction values for field " + disj.getFieldName());

      if (disj.getDisjunctionValues().stream().map(s -> (s == null) ? "" : s.trim()).anyMatch(s -> s.isEmpty()))
        throw new RuntimeException("There is an empty disjunction value for field " + disj.getFieldName());
    }

    origSlice.setName(slice.getName());
    origSlice.setManualConjunction(slice.getManualConjunction());
    List<UiSliceDisjunction> newDisjunctions = new ArrayList<>(slice.getSliceDisjunctions());
    origSlice.setSliceDisjunctions(newDisjunctions);

    return () -> resultHandler.sendData(new SliceJsonResult(origSlice,
        // Analysis version is updated by the time this Runnable is called.
        analysis.getVersion()));
  }

}