Examples of com.cloudera.cdk.data.DatasetException

com.cloudera.cdk.data.DatasetException

Exception thrown for dataset-related failures. The root of the dataset exception hierarchy.

Implementations of the {@link Dataset} interface throw this exception ifany of their operations fail. This is a runtime (unchecked) exception.
@see Dataset @since 0.2.0

        KeyEntitySchemaParser<?, ?> schemaParser = schemaParserClass
            .getConstructor().newInstance();
        schemaParsers.putIfAbsent(schemaParserClassName, schemaParser);
        return schemaParser;
      } catch (Exception e) {
        throw new DatasetException(
            "Could not instantiate schema parser class: "
                + schemaParserClassName, e);
      }
    }
  }

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          PutAction put = entityMappers.get(i).mapFromEntity(subEntity);
          if (keyBytes == null) {
            keyBytes = put.getPut().getRow();
          } else {
            if (!Arrays.equals(keyBytes, put.getPut().getRow())) {
              throw new DatasetException(
                  "Composite entity keys didn't serialize to the same row bytes.");
            }
          }
          puts.add(entityMappers.get(i).mapFromEntity(subEntity));
        }

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  public SingleFieldEntityFilter(EntitySchema entitySchema,
      EntitySerDe<?> entitySerDe, String fieldName, Object filterValue,
      CompareFilter.CompareOp equalityOperator) {
    FieldMapping fieldMapping = entitySchema.getFieldMapping(fieldName);
    if (fieldMapping.getMappingType() != MappingType.COLUMN) {
      throw new DatasetException(
          "SingleColumnValueFilter only compatible with COLUMN mapping types.");
    }


    byte[] family = fieldMapping.getFamily();
    byte[] qualifier = fieldMapping.getQualifier();

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      return (Schema) entityClass.getDeclaredField("SCHEMA$").get(null);
    } catch (Throwable e) {
      LOG.error(
          "Error getting schema from entity of type: " + entityClass.getName(),
          e);
      throw new DatasetException(e);
    }
  }

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            null);
      } catch (Throwable e) {
        LOG.error(
            "Error getting constructor or schema field for entity of type: "
                + entityClass.getName(), e);
        throw new DatasetException(e);
      }
    }

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        entity = entityConstructor.newInstance();
      } catch (Throwable e) {
        LOG.error(
            "Error trying to construct entity of type: "
                + entityClass.getName(), e);
        throw new DatasetException(e);
      }


      int cnt = 0;
      for (S subEntity : subEntities) {
        if (subEntity != null) {

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  public RegexEntityFilter(EntitySchema entitySchema,
      EntitySerDe<?> entitySerDe, String fieldName, String regex,
      boolean isEqual) {
    FieldMapping fieldMapping = entitySchema.getFieldMapping(fieldName);
    if (fieldMapping.getMappingType() != MappingType.COLUMN) {
      throw new DatasetException(
          "SingleColumnValueFilter only compatible with COLUMN mapping types.");
    }


    byte[] family = fieldMapping.getFamily();
    byte[] qualifier = fieldMapping.getQualifier();

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      // No good way to handle these types of exceptions, so
      // throw an DatasetException up to the user.
      String msg = "Could not get a default constructor for class: "
          + recordClass.toString();
      LOG.error(msg, e);
      throw new DatasetException(msg, e);
    }
  }

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      this.values = Maps.newHashMap();
    }


    public Builder(Dataset dataset) {
      if (!dataset.getDescriptor().isPartitioned()) {
        throw new DatasetException("Dataset is not partitioned");
      }
      this.strategy = dataset.getDescriptor().getPartitionStrategy();
      this.values = Maps.newHashMap();
    }

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        } else {
          return null;
        }
      }
    } catch (IOException e) {
      throw new DatasetException("Unable to locate or create dataset partition directory " + partitionDirectory, e);
    }


    int partitionDepth = key.getLength();
    PartitionStrategy subpartitionStrategy = Accessor.getDefault()
        .getSubpartitionStrategy(partitionStrategy, partitionDepth);

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