Android Open Source - spades Cursor Info

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License

The source code is released under:

Apache License

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Java Source Code

/**
 * Copyright (C) 2013 Pau Picas Sans <pau.picas@gmail.com>
 *//  ww  w  .j a  v a  2 s  .  c  o m
 * 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 cat.picas.spades;

import android.os.Parcel;
import android.os.Parcelable;

public class CursorInfo implements Parcelable {

  public static final int INVALID_INDEX = -1;

  public static final Creator<CursorInfo> CREATOR = new CursorInfoCreator();

  private boolean[] mHasTables;
  private int[][] mColumnIndexes;

  protected CursorInfo(boolean[] hasTables, int[][] columnIndexes) {
    mHasTables = hasTables;
    mColumnIndexes = columnIndexes;
  }

  private CursorInfo() {
  }

  public boolean hasTable(Table table) {
    return mHasTables[table.index];
  }

  public boolean hasTable(int tableIndex) {
    return mHasTables[tableIndex];
  }

  public boolean hasColumn(Column column) {
    return mColumnIndexes[column.getTable().index][column.index] != INVALID_INDEX;
  }

  public boolean hasColumn(int tableIndex, int columnIndex) {
    return mColumnIndexes[tableIndex][columnIndex] != INVALID_INDEX;
  }

  public int getColumnIndex(Column column) {
    return mColumnIndexes[column.getTable().index][column.index];
  }

  public int getColumnIndex(int tableIndex, int columnIndex) {
    return mColumnIndexes[tableIndex][columnIndex];
  }

  @Override
  public void writeToParcel(Parcel dest, int flags) {
    dest.writeBooleanArray(mHasTables);
    dest.writeInt(mColumnIndexes.length);
    for (int[] indexes : mColumnIndexes) {
      dest.writeIntArray(indexes);
    }
  }

  private void readFromParcel(Parcel source) {
    source.readBooleanArray(mHasTables);
    mColumnIndexes = new int[source.readInt()][];
    for (int[] indexes : mColumnIndexes) {
      source.readIntArray(indexes);
    }
  }

  @Override
  public int describeContents() {
    return 0;
  }

  private static class CursorInfoCreator implements Creator<CursorInfo> {
    @Override
    public CursorInfo createFromParcel(Parcel source) {
      CursorInfo cursorInfo = new CursorInfo();
      cursorInfo.readFromParcel(source);
      return cursorInfo;
    }

    @Override
    public CursorInfo[] newArray(int size) {
      return new CursorInfo[size];
    }
  }

}

Java Source Code List