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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.webadmin.rest.representations;
    21
    22  import org.neo4j.server.rest.repr.ListRepresentation;
    23  import org.neo4j.server.rest.repr.MappingRepresentation;
    24  import org.neo4j.server.rest.repr.MappingSerializer;
    25  import org.neo4j.server.rest.repr.ObjectRepresentation;
    26  import org.neo4j.server.rest.repr.ValueRepresentation;
    27  import org.rrd4j.core.FetchData;
    28
    29  public class RrdDataRepresentation extends ObjectRepresentation
    30  {
    31      private final FetchData rrdData;
    32
    33      public RrdDataRepresentation( FetchData rrdData )
    34      {
    35          super( "rrd-data" );
    36          this.rrdData = rrdData;
    37      }
    38
    39      @Mapping( "start_time" )
    40      public ValueRepresentation getStartTime()
    41      {
    42          return ValueRepresentation.number( rrdData.getFirstTimestamp() );
    43      }
    44
    45      @Mapping( "end_time" )
    46      public ValueRepresentation getEndTime()
    47      {
    48          return ValueRepresentation.number( rrdData.getLastTimestamp() );
    49      }
    50
    51      @Mapping( "timestamps" )
    52      public ListRepresentation getTimestamps()
    53      {
    54          return ListRepresentation.numbers( rrdData.getTimestamps() );
    55      }
    56
    57      @Mapping( "data" )
    58      public MappingRepresentation getDatasources()
    59      {
    60          return new MappingRepresentation( "datasources" )
    61          {
    62              @Override
    63              protected void serialize( MappingSerializer serializer )
    64              {
    65                  String[] dsNames = rrdData.getDsNames();
    66                  for ( int i = 0, l = dsNames.length; i < l; i++ )
    67                  {
    68                      serializer.putList( dsNames[i],
    69                              ListRepresentation.numbers( rrdData.getValues( i ) ) );
    70                  }
    71              }
    72          };
    73      }
    74  }
    75