AbstractRecordPlace.java

/*
 * Copyright 2014-2016 CyberVision, Inc.
 *
 * 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 org.kaaproject.kaa.server.admin.client.mvp.place;

import com.google.gwt.place.shared.PlaceTokenizer;

public abstract class AbstractRecordPlace extends TreePlace {

  private String applicationId;
  private String endpointGroupId;
  private boolean create;
  private boolean showActive;
  private double random;

  /**
   * Instantiates a new AbstractRecordPlace.
   */
  public AbstractRecordPlace(String applicationId,
                             String endpointGroupId,
                             boolean create,
                             boolean showActive,
                             double random) {
    this.applicationId = applicationId;
    this.endpointGroupId = endpointGroupId;
    this.create = create;
    this.showActive = showActive;
    this.random = random;
  }

  public String getApplicationId() {
    return applicationId;
  }

  public String getEndpointGroupId() {
    return endpointGroupId;
  }

  public boolean isCreate() {
    return create;
  }

  public boolean isShowActive() {
    return showActive;
  }

  public double getRandom() {
    return random;
  }

  @Override
  public boolean equals(Object obj) {
    if (this == obj) {
      return true;
    }
    if (obj == null) {
      return false;
    }
    if (getClass() != obj.getClass()) {
      return false;
    }
    AbstractRecordPlace other = (AbstractRecordPlace) obj;
    if (create != other.create) {
      return false;
    }
    if (endpointGroupId == null) {
      if (other.endpointGroupId != null) {
        return false;
      }
    } else if (!endpointGroupId.equals(other.endpointGroupId)) {
      return false;
    }
    if (Double.doubleToLongBits(random) != Double
        .doubleToLongBits(other.random)) {
      return false;
    }
    if (showActive != other.showActive) {
      return false;
    }
    return true;
  }

  @Override
  public boolean isLeaf() {
    return true;
  }

  @Override
  public TreePlace createDefaultPreviousPlace() {
    return new EndpointGroupPlace(applicationId, endpointGroupId, false, false);
  }

  public abstract static class Tokenizer<P extends AbstractRecordPlace>
      implements PlaceTokenizer<P>, PlaceConstants {

    @Override
    public P getPlace(String token) {
      PlaceParams.paramsFromToken(token);
      return getPlaceImpl(PlaceParams.getParam(APPLICATION_ID),
          PlaceParams.getParam(ENDPOINT_GROUP_ID),
          PlaceParams.getBooleanParam(CREATE),
          PlaceParams.getBooleanParam(SHOW_ACTIVE),
          PlaceParams.getDoubleParam(RANDOM));
    }

    protected abstract P getPlaceImpl(String applicationId, String endpointGroupId,
                                      boolean create, boolean showActive, double random);

    @Override
    public String getToken(P place) {
      PlaceParams.clear();
      PlaceParams.putParam(APPLICATION_ID, place.getApplicationId());
      PlaceParams.putParam(ENDPOINT_GROUP_ID, place.getEndpointGroupId());
      PlaceParams.putBooleanParam(CREATE, place.isCreate());
      PlaceParams.putBooleanParam(SHOW_ACTIVE, place.isShowActive());
      PlaceParams.putDoubleParam(RANDOM, place.getRandom());
      updateTokenImpl(place);
      return PlaceParams.generateToken();
    }

    protected abstract void updateTokenImpl(P place);
  }

}