Examples of eu.stratosphere.types.NullKeyFieldException

eu.stratosphere.types.NullKeyFieldException
An exception specifying that a required key field was not set in a record, i.e. was null.


  @Override
  public void setReference(Record reference) {
    for (int i = 0; i < this.keyFields1.length; i++) {
      if (!reference.getFieldInto(this.keyFields1[i], this.keyHolders1[i])) {
        throw new NullKeyFieldException(this.keyFields1[i]);
      }
    }
  }

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  @Override
  public boolean equalToReference(Record candidate) {
    for (int i = 0; i < this.keyFields2.length; i++) {
      final Key k = candidate.getField(this.keyFields2[i], this.keyHolders2[i]);
      if (k == null) {
        throw new NullKeyFieldException(this.keyFields2[i]);
      } else if (!k.equals(this.keyHolders1[i])) {
        return false;
      }
    }
    return true;

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  @Override
  public int compareToReference(Record candidate) {
    for (int i = 0; i < this.keyFields2.length; i++) {
      final Key k = candidate.getField(this.keyFields2[i], this.keyHolders2[i]);
      if (k == null) {
        throw new NullKeyFieldException(this.keyFields2[i]);
      } else {
        final int comp = k.compareTo(this.keyHolders1[i]);
        if (comp != 0) {
          return comp;
        }

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        code *= HASH_SALT[i & 0x1F]; // salt code with (i % HASH_SALT.length)-th salt component
      }
      return code;
    }
    catch (NullPointerException npex) {
      throw new NullKeyFieldException(this.keyFields[i]);
    }
    catch (IndexOutOfBoundsException iobex) {
      throw new KeyFieldOutOfBoundsException(this.keyFields[i]);
    }
  }

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  @Override
  public void setReference(Record toCompare) {
    for (int i = 0; i < this.keyFields.length; i++) {
      if (!toCompare.getFieldInto(this.keyFields[i], this.keyHolders[i])) {
        throw new NullKeyFieldException(this.keyFields[i]);
      }
    }
  }

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  @Override
  public boolean equalToReference(Record candidate) {
    for (int i = 0; i < this.keyFields.length; i++) {
      final Key<?> k = candidate.getField(this.keyFields[i], this.transientKeyHolders[i]);
      if (k == null) {
        throw new NullKeyFieldException(this.keyFields[i]);
      } else if (!k.equals(this.keyHolders[i])) {
        return false;
      }
    }
    return true;

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        }
      }
      return 0;
    }
    catch (NullPointerException e) {
      throw new NullKeyFieldException(this.keyFields[i]);
    }
  }

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      final Key k1 = this.temp1.getField(this.keyFields[i], this.keyHolders[i]);
      @SuppressWarnings("rawtypes")
      final Key k2 = this.temp2.getField(this.keyFields[i], this.transientKeyHolders[i]);
      
      if (k1 == null || k2 == null) {
        throw new NullKeyFieldException(this.keyFields[i]);
      }
      
      @SuppressWarnings("unchecked")
      final int comp = k1.compareTo(k2);
      if (comp != 0) {

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        numBytes -= len;
        offset += len;
      }
    }
    catch (NullPointerException npex) {
      throw new NullKeyFieldException(this.keyFields[i]);
    }
  }

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        code += this.comparators[i].hash(value.getField(keyPositions[i]));
      }
      return code;
    }
    catch (NullPointerException npex) {
      throw new NullKeyFieldException(keyPositions[i]);
    }
    catch (IndexOutOfBoundsException iobex) {
      throw new KeyFieldOutOfBoundsException(keyPositions[i]);
    }
  }

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