static/lifecycle.dot

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */

/* Rendered with dot -Tsvg lifecycle.dot > lifecycle.svg */
digraph LogServiceStates {
  node [shape=box, fontsize=16]
  { rank = same;
    write [shape=plaintext, label="write()",fillcolor=grey,style=filled];
    read1 [shape=plaintext, label="read()",fillcolor=grey,style=filled];
    read2 [shape=plaintext, label="read()",fillcolor=grey,style=filled];
    export [shape=plaintext, label="export()",fillcolor=grey,style=filled];
  }

  external1 [shape=none,label=""];
  external2 [shape=none,label=""];

  OPEN [shape=Mdiamond];
  DELETED [shape=Msquare];
  OPEN -> CLOSED [label="API\nCall"];
  OPEN -> CLOSED [label="Quorum\nFailure"];
  CLOSED -> DELETED;
  CLOSED -> ARCHIVING [label="API\nCall"];
  OPEN -> {write; read1; export} -> OPEN;
  CLOSED -> read2 -> CLOSED;
  ARCHIVING -> ARCHIVED [label="On\nCompletion"];
  ARCHIVED -> DELETED;

  ARCHIVING -> external1 [label="Writes\nData\nExternally",style=dotted];
  export -> external2 [label="Writes\nData\nExternally",style=dotted];
}