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    1   /**
    2    * Copyright (c) 2002-2011 "Neo Technology,"
    3    * Network Engine for Objects in Lund AB [http://neotechnology.com]
    4    *
    5    * This file is part of Neo4j.
    6    *
    7    * Neo4j is free software: you can redistribute it and/or modify
    8    * it under the terms of the GNU General Public License as published by
    9    * the Free Software Foundation, either version 3 of the License, or
    10   * (at your option) any later version.
    11   *
    12   * This program is distributed in the hope that it will be useful,
    13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
    14   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    15   * GNU General Public License for more details.
    16   *
    17   * You should have received a copy of the GNU General Public License
    18   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
    19   */
    20  package org.neo4j.server.startup.healthcheck;
    21
    22  import java.util.Properties;
    23
    24  import org.neo4j.server.logging.Logger;
    25
    26
    27  public class StartupHealthCheck {
    28      public static final Logger log = Logger.getLogger(StartupHealthCheck.class);
    29
    30      private final StartupHealthCheckRule[] rules;
    31
    32      private StartupHealthCheckRule failedRule = null;
    33
    34      public StartupHealthCheck(StartupHealthCheckRule ... rules) {
    35          this.rules = rules;
    36      }
    37
    38      public boolean run() {
    39          if(rules == null || rules.length < 1) {
    40              return true;
    41          }
    42
    43          Properties properties = System.getProperties();
    44          for(StartupHealthCheckRule r : rules) {
    45              if(!r.execute(properties)) {
    46                  log.error(r.getFailureMessage());
    47                  failedRule = r;
    48                  return false;
    49              }
    50          }
    51
    52          return true;
    53      }
    54
    55      public StartupHealthCheckRule failedRule() {
    56          return failedRule;
    57      }
    58  }