Package org.apache.avro.io.parsing

Examples of org.apache.avro.io.parsing.Symbol$FieldAdjustAction

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   *          reader schema
   * @return True if compatible, false if not.
   */
  private static boolean avroReadWriteSchemasCompatible(Schema writer,
      Schema reader) {
    Symbol rootSymbol;
    try {
      ResolvingGrammarGenerator g = new ResolvingGrammarGenerator();
      rootSymbol = g.generate(writer, reader);
    } catch (IOException e) {
      throw new DatasetException("IOException while generating grammar.", e);
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    parser.processImplicitActions();
  }

  @Override
  public long readLong() throws IOException {
    Symbol actual = parser.advance(Symbol.LONG);
    if (actual == Symbol.INT) {
      return in.readInt();
    } else if (actual == Symbol.DOUBLE) {
      return (long) in.readDouble();
    } else {
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    }
  }

  @Override
  public float readFloat() throws IOException {
    Symbol actual = parser.advance(Symbol.FLOAT);
    if (actual == Symbol.INT) {
      return (float) in.readInt();
    } else if (actual == Symbol.LONG) {
      return (float) in.readLong();
    } else {
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    }
  }
 
  @Override
  public double readDouble() throws IOException {
    Symbol actual = parser.advance(Symbol.DOUBLE);
    if (actual == Symbol.INT) {
      return (double) in.readInt();
    } else if (actual == Symbol.LONG) {
      return (double) in.readLong();
    } else if (actual == Symbol.FLOAT) {
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                                    + input);
      } else {
        return t.writer;
      }
    } else if (top instanceof Symbol.SkipAction) {
      Symbol symToSkip = ((Symbol.SkipAction) top).symToSkip;
      parser.skipSymbol(symToSkip);
    } else if (top instanceof Symbol.WriterUnionAction) {
      Symbol.Alternative branches = (Symbol.Alternative) parser.popSymbol();
      parser.pushSymbol(branches.getSymbol(in.readIndex()));
    } else if (top instanceof Symbol.ErrorAction) {
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    return null;
  }

  @Override
  public void skipAction() throws IOException {
    Symbol top = parser.popSymbol();
    if (top instanceof Symbol.ResolvingAction) {
      parser.pushSymbol(((Symbol.ResolvingAction) top).writer);
    } else if (top instanceof Symbol.SkipAction) {
      parser.pushSymbol(((Symbol.SkipAction) top).symToSkip);
    } else if (top instanceof Symbol.WriterUnionAction) {
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    parser.popSymbol();
  }

  @Override
  public void skipTopSymbol() throws IOException {
    Symbol top = parser.topSymbol();
    if (top == Symbol.NULL) {
      readNull();
    } if (top == Symbol.BOOLEAN) {
      readBoolean();
    } else if (top == Symbol.INT) {
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  @Override
  public void writeIndex(int unionIndex) throws IOException {
    parser.advance(Symbol.UNION);
    Symbol.Alternative top = (Symbol.Alternative) parser.popSymbol();
    Symbol symbol = top.getSymbol(unionIndex);
    if (symbol != Symbol.NULL) {
      out.writeStartObject();
      out.writeFieldName(top.getLabel(unionIndex));
      parser.pushSymbol(Symbol.UNION_END);
    }
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Related Classes of org.apache.avro.io.parsing.Symbol$FieldAdjustAction

  • com.cloudera.cdk.data.hbase.avro.AvroEntitySchema
  • org.apache.avro.io.JsonEncoder
  • org.apache.avro.io.ParsingDecoder
  • org.apache.avro.io.ResolvingDecoder
  • org.codehaus.jackson.JsonFactory
  • org.codehaus.jackson.JsonGenerator
  • org.codehaus.jackson.map.ObjectMapper
  • java.io.ByteArrayOutputStream
  • java.util.NoSuchElementException
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