Package org.apache.trevni

Examples of org.apache.trevni.TrevniRuntimeException

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    this.values = new ColumnValues[readColumns.length];
    int j = 0;
    for (ColumnMetaData c : readColumns) {
      Integer n = fileColumnNumbers.get(c.getName());
      if (n == null)
        throw new TrevniRuntimeException("No column named: "+c.getName());
      values[j++] = reader.getValues(n);
    }
  }
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      for (int i = 0; i < values.length; i++)
        values[i].startRow();
      this.column = 0;
      return (D)read(readSchema);
    } catch (IOException e) {
      throw new TrevniRuntimeException(e);
    }
  }
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          column += arrayWidths[column];
        }
      }
      return value;
    default:
      throw new TrevniRuntimeException("Unknown schema: "+s);
    }
  }
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          }
        }
      }
      return column;
    default:
      throw new TrevniRuntimeException("Unknown schema: "+s);
    }
  }
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      addColumn(path, simpleValueType(s), parent, isArray);
      return;
    }

    if (seen.containsKey(s))                      // catch recursion
      throw new TrevniRuntimeException("Cannot shred recursive schemas: "+s);
    seen.put(s, s);
   
    switch (s.getType()) {
    case MAP:
      path = path == null ? ">" : path+">";
      int start = columns.size();
      ColumnMetaData p = addColumn(path, ValueType.NULL, parent, true);
      addColumn(p(path,"key", ""), ValueType.STRING, p, false);
      columnize(p(path,"value", ""), s.getValueType(), p, false);
      arrayWidths.set(start, columns.size()-start); // fixup with actual width
      break;
    case RECORD:
      for (Field field : s.getFields())           // flatten fields to columns
        columnize(p(path, field.name(), "#"), field.schema(), parent, isArray);
      break;
    case ARRAY:
      path = path == null ? "[]" : path+"[]";
      addArrayColumn(path, s.getElementType(), parent);
      break;
    case UNION:
      for (Schema branch : s.getTypes())          // array per non-null branch
        if (branch.getType() != Schema.Type.NULL)
          addArrayColumn(p(path, branch, "/"), branch, parent);
      break;
    default:
      throw new TrevniRuntimeException("Unknown schema: "+s);
    }
  }
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    case BYTES:  return ValueType.BYTES;
    case STRING: return ValueType.STRING;
    case ENUM:   return ValueType.INT;
    case FIXED:  return ValueType.BYTES;
    default:
      throw new TrevniRuntimeException("Unknown schema: "+s);
    }
  }
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    case INT: case LONG:
    case FLOAT: case DOUBLE:
    case BYTES: case STRING:
    case ENUM: case FIXED:
      if (read.getType() != write.getType())
        throw new TrevniRuntimeException("Type mismatch: "+read+" & "+write);
      break;
    case MAP:
      findDefaults(read.getValueType(), write.getValueType());
      break;
    case ARRAY:
      findDefaults(read.getElementType(), write.getElementType());
      break;
    case UNION:
      for (Schema s : read.getTypes()) {
        Integer index = write.getIndexNamed(s.getFullName());
        if (index == null)
          throw new TrevniRuntimeException("No matching branch: "+s);
        findDefaults(s, write.getTypes().get(index));
      }
      break;
    case RECORD:
      for (Field f : read.getFields()) {
        Field g = write.getField(f.name());
        if (g == null)
          setDefault(read, f);
        else
          findDefaults(f.schema(), g.schema());
      }
      break;
    default:
      throw new TrevniRuntimeException("Unknown schema: "+read);
    }
  }
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        if (values[i] != null)
          values[i].startRow();
      this.column = 0;
      return (D)read(readSchema);
    } catch (IOException e) {
      throw new TrevniRuntimeException(e);
    }
  }
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          column += arrayWidths[column];
        }
      }
      return value;
    default:
      throw new TrevniRuntimeException("Unknown schema: "+s);
    }
  }
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    case INT: case LONG:
    case FLOAT: case DOUBLE:
    case BYTES: case STRING:
    case ENUM: case FIXED:
      if (read.getType() != write.getType())
        throw new TrevniRuntimeException("Type mismatch: "+read+" & "+write);
      break;
    case MAP:
      findDefaults(read.getValueType(), write.getValueType());
      break;
    case ARRAY:
      findDefaults(read.getElementType(), write.getElementType());
      break;
    case UNION:
      for (Schema s : read.getTypes()) {
        Integer index = write.getIndexNamed(s.getFullName());
        if (index == null)
          throw new TrevniRuntimeException("No matching branch: "+s);
        findDefaults(s, write.getTypes().get(index));
      }
      break;
    case RECORD:
      for (Field f : read.getFields()) {
        Field g = write.getField(f.name());
        if (g == null)
          setDefault(read, f);
        else
          findDefaults(f.schema(), g.schema());
      }
      break;
    default:
      throw new TrevniRuntimeException("Unknown schema: "+read);
    }
  }
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Related Classes of org.apache.trevni.TrevniRuntimeException

  • org.apache.trevni.avro.AvroColumnator
  • org.apache.trevni.avro.AvroColumnReader
  • org.apache.trevni.avro.AvroColumnWriter
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