Examples of CellSpec

org.kiji.schema.layout.CellSpec
Specification of a column in a Kiji table.
Contains everything needed to encode or decode a given column. Wraps a CellSchema Avro record to avoid re-parsing JSON Avro schemas every time, and associates it with a schema table to resolve schema IDs or hashes.

A CellSpec is constructed from a {@link KijiTableLayout}and is intended for a consumption by {@link org.kiji.schema.KijiCellEncoder}and {@link org.kiji.schema.KijiCellDecoder}.

Examples of org.kiji.schema.layout.CellSpec

    assertArrayEquals(Bytes.toBytes(3181L), encoder.encode(3181L));
  }


  @Test
  public void testEncodeAvroInline() throws IOException {
    final CellSpec cellSpec = CellSpec.create()
        .setCellSchema(CellSchema.newBuilder()
            .setStorage(SchemaStorage.FINAL)
            .setType(SchemaType.INLINE)
            .setValue("\"long\"")
            .build());

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Examples of org.kiji.schema.layout.CellSpec

    assertArrayEquals(new byte[]{-38, 49}, encoder.encode(3181L));
  }


  @Test
  public void testEncodeAvroClass() throws IOException {
    final CellSpec cellSpec = CellSpec.create()
        .setCellSchema(CellSchema.newBuilder()
            .setStorage(SchemaStorage.FINAL)
            .setType(SchemaType.CLASS)
            .setValue(TestRecord.class.getName())
            .build());

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Examples of org.kiji.schema.layout.CellSpec

    assertArrayEquals(new byte[]{2, 97, 2, 4}, encoder.encode(record));
  }


  @Test
  public void testEncodeAvroSchemaUID() throws IOException {
    final CellSpec cellSpec = CellSpec.create()
        .setCellSchema(CellSchema.newBuilder()
            .setStorage(SchemaStorage.UID)
            .setType(SchemaType.INLINE)
            .setValue("\"long\"")
            .build())

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Examples of org.kiji.schema.layout.CellSpec

    assertArrayEquals(new byte[]{3, -38, 49}, encoder.encode(3181L));
  }


  @Test
  public void testEncodeAvroSchemaHash() throws IOException {
    final CellSpec cellSpec = CellSpec.create()
        .setCellSchema(CellSchema.newBuilder()
            .setStorage(SchemaStorage.HASH)
            .setType(SchemaType.INLINE)
            .setValue("\"long\"")
            .build())

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Examples of org.kiji.schema.layout.CellSpec

   * schema can be inferred for the specified value to encode.
   */
  @Test
  public void testWriterSchemaNotInferrable() throws IOException {
    final Kiji kiji = getKiji();
    final CellSpec cellSpec = CellSpec.create()
        .setCellSchema(CellSchema.newBuilder()
            .setType(SchemaType.AVRO)
            .setAvroValidationPolicy(AvroValidationPolicy.DEVELOPER)
            .build())
        .setSchemaTable(kiji.getSchemaTable());

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Examples of org.kiji.schema.layout.CellSpec


/** Tests for Kiji cell decoders. */
public class TestKijiCellDecoder extends KijiClientTest {
  @Test
  public void testDecodeCounter() throws IOException {
    final CellSpec cellSpec = CellSpec.newCounter();
    final KijiCellEncoder encoder = DefaultKijiCellEncoderFactory.get().create(cellSpec);
    final KijiCellDecoder<Long> decoder = SpecificCellDecoderFactory.get().create(cellSpec);
    assertEquals(3181L, (long) decoder.decodeValue(encoder.encode(3181L)));
  }

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Examples of org.kiji.schema.layout.CellSpec

    final KijiCellDecoder<Long> decoder = SpecificCellDecoderFactory.get().create(cellSpec);
    assertEquals(3181L, (long) decoder.decodeValue(encoder.encode(3181L)));
  }


  private void testDecodeAvroSchema(SchemaStorage storage) throws IOException {
    final CellSpec cellSpec = CellSpec.create()
        .setCellSchema(CellSchema.newBuilder()
            .setType(SchemaType.CLASS)
            .setValue(Node.class.getName())
            .setStorage(storage)
            .build())

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Examples of org.kiji.schema.layout.CellSpec

    mTableLayout =
        KijiTableLayouts.getTableLayout(KijiTableLayouts.SIMPLE_UPDATE_NEW_COLUMN);
    getKiji().createTable(mTableLayout.getDesc());


    mColumnNameTranslator = HBaseColumnNameTranslator.from(mTableLayout);
    final CellSpec cellSpec = mTableLayout.getCellSpec(KijiColumnName.create("family", "new"))
        .setSchemaTable(getKiji().getSchemaTable());
    mCellEncoder = DefaultKijiCellEncoderFactory.get().create(cellSpec);


    mHBaseFilter = new SingleColumnValueFilter(
        Bytes.toBytes("family"), Bytes.toBytes("new"), CompareOp.NO_OP, new byte[0]);

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Examples of org.kiji.schema.layout.CellSpec


    /** {@inheritDoc} */
    @Override
    public byte[] getHBaseCellValue(KijiColumnName column, DecodedCell<?> kijiCell)
        throws IOException {
      final CellSpec cellSpec = mColumnNameTranslator.getTableLayout().getCellSpec(column)
          .setSchemaTable(mSchemaTable);
      final KijiCellEncoder encoder = DefaultKijiCellEncoderFactory.get().create(cellSpec);
      return encoder.encode(kijiCell);
    }

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Examples of org.kiji.schema.layout.CellSpec

      throws IOException {
    mKijiURI = kijiURI;
    mMetaTableName = CassandraTableName.getMetaLayoutTableName(kijiURI);
    mAdmin = admin;
    mSchemaTable = Preconditions.checkNotNull(schemaTable);
    final CellSpec cellSpec = CellSpec.fromCellSchema(CELL_SCHEMA, mSchemaTable);
    mCellEncoder = new AvroCellEncoder(cellSpec);
    mCellDecoder = SpecificCellDecoderFactory.get().create(cellSpec);
    mGetRowsStatement = getGetRowsStatement();
    mRemoveAllTableLayoutVersionsStatement = getRemoveAllTableLayoutVersionsStatement();
    mUpdateTableLayoutStatement = getUpdateTableLayoutStatement();

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