Examples of org.kitesdk.data.spi.PartitionKey

org.kitesdk.data.spi.PartitionKey

A key for retrieving partitions from a {@link org.kitesdk.data.Dataset}.

A {@code PartitionKey} is an ordered sequence of values corresponding to the{@link org.kitesdk.data.spi.FieldPartitioner}s in a {@link org.kitesdk.data.PartitionStrategy}. You can obtain a {@link PartitionKey} using{@link PartitionKey#partitionKeyForEntity(org.kitesdk.data.PartitionStrategy,Object,EntityAccessor,PartitionKey)}.

Implementations of {@link PartitionKey} are typically not thread-safe; that is, the behavior when accessing a single instance from multiple threads is undefined.
@see org.kitesdk.data.PartitionStrategy @see org.kitesdk.data.spi.FieldPartitioner @see org.kitesdk.data.Dataset


    if (partitionKey != null) {
      values.addAll(0, partitionKey.getValues());
    }


    return new PartitionKey(values.toArray());
  }

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        .name(name)
        .configuration(conf)
        .descriptor(newDescriptor)
        .type(type)
        .uri(new URIBuilder(getUri(), namespace, name).build())
        .partitionKey(newDescriptor.isPartitioned() ? new PartitionKey() : null)
        .partitionListener(getPartitionListener())
        .build();
  }

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        .name(name)
        .configuration(conf)
        .descriptor(updatedDescriptor)
        .type(type)
        .uri(new URIBuilder(getUri(), namespace, name).build())
        .partitionKey(updatedDescriptor.isPartitioned() ? new PartitionKey() : null)
        .partitionListener(getPartitionListener())
        .build();
  }

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        .name(name)
        .configuration(conf)
        .descriptor(descriptor)
        .type(type)
        .uri(new URIBuilder(getUri(), namespace, name).build())
        .partitionKey(descriptor.isPartitioned() ? new PartitionKey() : null)
        .partitionListener(getPartitionListener())
        .build();


    LOG.debug("Loaded dataset:{}", ds);

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      }
      String stringValue = split.next();


      values.add(PathConversion.valueForDirname(fp, schema, stringValue));
    }
    return new PartitionKey(values.toArray(new Object[values.size()]));
  }

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