Examples of org.kitesdk.data.ValidationException

org.kitesdk.data.ValidationException

Exception thrown to indicate that there was a problem parsing or validating a schema, partition strategy, or column mapping.
@since 0.14.0

  public static <T> T parse(String json, Class<T> returnType) {
    ObjectMapper mapper = new ObjectMapper();
    try {
      return mapper.readValue(json, returnType);
    } catch (JsonParseException e) {
      throw new ValidationException("Invalid JSON", e);
    } catch (JsonMappingException e) {
      throw new ValidationException("Invalid JSON", e);
    } catch (IOException e) {
      throw new DatasetIOException("Cannot initialize JSON parser", e);
    }
  }

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  public static <T> T parse(File file, Class<T> returnType) {
    ObjectMapper mapper = new ObjectMapper();
    try {
      return mapper.readValue(file, returnType);
    } catch (JsonParseException e) {
      throw new ValidationException("Invalid JSON", e);
    } catch (JsonMappingException e) {
      throw new ValidationException("Invalid JSON", e);
    } catch (IOException e) {
      throw new DatasetIOException("Cannot initialize JSON parser", e);
    }
  }

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  public static <T> T parse(InputStream in, Class<T> returnType) {
    ObjectMapper mapper = new ObjectMapper();
    try {
      return mapper.readValue(in, returnType);
    } catch (JsonParseException e) {
      throw new ValidationException("Invalid JSON", e);
    } catch (JsonMappingException e) {
      throw new ValidationException("Invalid JSON", e);
    } catch (IOException e) {
      throw new DatasetIOException("Cannot initialize JSON parser", e);
    }
  }

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          valuesType = fieldPartitioner.get(VALUES).asText();
        }
        builder.provided(name, valuesType);


      } else {
        throw new ValidationException("Invalid FieldPartitioner: " + type);
      }
    }
    return builder.build();
  }

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      } else if (fp instanceof ProvidedFieldPartitioner) {
        partitioner.set(TYPE, TextNode.valueOf("provided"));
        partitioner.set(VALUES,
            TextNode.valueOf(((ProvidedFieldPartitioner) fp).getTypeAsString()));
      } else {
        throw new ValidationException(
            "Unknown partitioner class: " + fp.getClass());
      }
      strategyJson.add(partitioner);
    }
    return strategyJson;

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          // Only one value type for a map, so just put the type in the column
          // datum maps.
          initColumnDatumMaps(fieldName, fieldSchema.getValueType(),
              writtenFieldSchema.getValueType());
        } else {
          throw new ValidationException(
              "Unsupported type for keyAsColumn: " + fieldSchema.getType());
        }
      }
    }
  }

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  @Override
  public byte[] serializeColumnValueToBytes(String fieldName, Object columnValue) {
    Field field = avroSchema.getAvroSchema().getField(fieldName);
    DatumWriter<Object> datumWriter = fieldDatumWriters.get(fieldName);
    if (field == null) {
      throw new ValidationException("Invalid field name " + fieldName
          + " for schema " + avroSchema.toString());
    }
    if (datumWriter == null) {
      throw new ValidationException("No datum writer for field name: "
          + fieldName);
    }


    ByteArrayOutputStream byteOut = new ByteArrayOutputStream();
    Encoder encoder = getColumnEncoder(field.schema(), byteOut);

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  @Override
  public byte[] serializeKeyAsColumnValueToBytes(String fieldName,
      CharSequence columnKey, Object columnValue) {
    Field field = avroSchema.getAvroSchema().getField(fieldName);
    if (field == null) {
      throw new ValidationException("Invalid field name " + fieldName
          + " for schema " + avroSchema.toString());
    }


    Schema.Type schemaType = field.schema().getType();
    if (schemaType == Schema.Type.MAP) {
      DatumWriter<Object> datumWriter = fieldDatumWriters.get(fieldName);
      if (datumWriter == null) {
        throw new ValidationException("No datum writer for field name: "
            + fieldName);
      }
      return AvroUtils.writeAvroEntity(columnValue, datumWriter);
    } else if (schemaType == Schema.Type.RECORD) {
      if (!kacRecordDatumWriters.containsKey(fieldName)) {
        throw new ValidationException("Invalid field name " + fieldName
            + " for schema " + avroSchema.toString());
      }
      if (!kacRecordDatumWriters.get(fieldName).containsKey(
          columnKey.toString())) {
        throw new ValidationException("Invalid key in record: "
            + fieldName + "." + columnKey);
      }
      DatumWriter<Object> datumWriter = kacRecordDatumWriters.get(fieldName)
          .get(columnKey.toString());
      return AvroUtils.writeAvroEntity(columnValue, datumWriter);
    } else {
      throw new ValidationException("Unsupported type for keyAsColumn: "
          + schemaType);
    }
  }

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  @Override
  public Object deserializeColumnValueFromBytes(String fieldName, byte[] bytes) {
    Field field = avroSchema.getAvroSchema().getField(fieldName);
    DatumReader<Object> datumReader = fieldDatumReaders.get(fieldName);
    if (field == null) {
      throw new ValidationException("Invalid field name " + fieldName
          + " for schema " + avroSchema.toString());
    }
    if (datumReader == null) {
      throw new ValidationException("No datum reader for field name: "
          + fieldName);
    }


    ByteArrayInputStream byteIn = new ByteArrayInputStream(bytes);
    Decoder decoder = getColumnDecoder(field.schema(), byteIn);

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  @Override
  public Object deserializeKeyAsColumnValueFromBytes(String fieldName,
      byte[] columnKeyBytes, byte[] columnValueBytes) {
    Field field = avroSchema.getAvroSchema().getField(fieldName);
    if (field == null) {
      throw new ValidationException("Invalid field name " + fieldName
          + " for schema " + avroSchema.toString());
    }


    Schema.Type schemaType = field.schema().getType();
    if (schemaType == Schema.Type.MAP) {
      DatumReader<Object> datumReader = fieldDatumReaders.get(fieldName);
      if (datumReader == null) {
        throw new ValidationException("No datum reader for field name: "
            + fieldName);
      }
      return AvroUtils.readAvroEntity(columnValueBytes, datumReader);
    } else if (schemaType == Schema.Type.RECORD) {
      if (!kacRecordDatumReaders.containsKey(fieldName)) {
        throw new ValidationException("Invalid field name " + fieldName
            + " for schema " + avroSchema.toString());
      }
      String columnKey = new String(columnKeyBytes);
      if (!kacRecordDatumReaders.get(fieldName).containsKey(columnKey)) {
        throw new ValidationException("Invalid key in record: "
            + fieldName + "." + columnKey);
      }
      DatumReader<Object> datumReader = kacRecordDatumReaders.get(fieldName)
          .get(columnKey);
      return AvroUtils.readAvroEntity(columnValueBytes, datumReader);
    } else {
      throw new ValidationException("Unsupported type for keyAsColumn: "
          + schemaType);
    }
  }

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Related Classes of org.kitesdk.data.ValidationException

org.kitesdk.cli.commands.CreateColumnMappingCommand

org.kitesdk.cli.commands.CreatePartitionStrategyCommand

org.kitesdk.data.hbase.avro.AvroEntityComposer

org.kitesdk.data.hbase.avro.AvroEntitySerDe

org.kitesdk.data.hbase.avro.VersionedAvroEntityMapper

org.kitesdk.data.hbase.impl.EntitySerDe

org.kitesdk.data.hbase.tool.SchemaTool

org.kitesdk.data.spi.ColumnMappingParser

org.kitesdk.data.spi.JsonUtil

org.kitesdk.data.spi.partition.ProvidedFieldPartitioner

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