How to use

setNull

method

in

com.asakusafw.runtime.value.ValueOption

@SuppressWarnings("deprecation")
@Override
public void start() {
  ValueOption<?>[] vs = values;
  for (int i = 0; i < vs.length; i++) {
    ValueOption<?> v = vs[i];
    if (v != null) {
      v.setNull();
    }
  }
}

@SuppressWarnings("deprecation")
@Override
public void absent(T property) {
  property.setNull();
}

@SuppressWarnings("deprecation")
@Override
public void clear(T property) {
  property.setNull();
}

@SuppressWarnings("deprecation")
private void set(T instance, Method property, Object value) {
  assert instance != null;
  assert property != null;
  ValueOption<?> holder = getHolder(instance, property);
  if (value == null) {
    holder.setNull();
  } else {
    ValueDriver<?> driver = VALUE_DRIVERS.get(property.getReturnType());
    assert driver != null : property;
    driver.modifyUnsafe(holder, value);
  }
}

  @SuppressWarnings("deprecation")
  @Override
  public void set(ValueOption<?> target, Object value) {
    if (value == null) {
      target.setNull();
    } else {
      ((FloatOption) target).modify(inspector.get(value));
    }
  }
}

@SuppressWarnings("deprecation")
@Override
public void set(ValueOption<?> target, Object value) {
  if (value == null) {
    target.setNull();
  } else {
    ((BooleanOption) target).modify(inspector.get(value));
  }
}

  @SuppressWarnings("deprecation")
  @Override
  public void set(ValueOption<?> target, Object value) {
    if (value == null) {
      target.setNull();
    } else {
      ((IntOption) target).modify(inspector.get(value));
    }
  }
}

  @SuppressWarnings("deprecation")
  @Override
  public void set(ValueOption<?> target, Object value) {
    if (value == null) {
      target.setNull();
    } else {
      ((LongOption) target).modify(inspector.get(value));
    }
  }
}

  @SuppressWarnings("deprecation")
  @Override
  public void set(ValueOption<?> target, Object value) {
    if (value == null) {
      target.setNull();
    } else {
      ((ShortOption) target).modify(inspector.get(value));
    }
  }
}

  @SuppressWarnings("deprecation")
  @Override
  public void set(ValueOption<?> target, Object value) {
    if (value == null) {
      target.setNull();
    } else {
      ((DoubleOption) target).modify(inspector.get(value));
    }
  }
}

@SuppressWarnings("deprecation")
@Override
public void set(ValueOption<?> target, Object value) {
  if (value == null) {
    target.setNull();
  } else {
    ((ByteOption) target).modify(inspector.get(value));
  }
}

@SuppressWarnings("deprecation")
@Override
public final void set(ValueOption<?> target, Object value) {
  if (value == null) {
    target.setNull();
  } else if (primitive) {
    String entity = inspector.getPrimitiveJavaObject(value);
    set(target, entity);
  } else {
    Text writable = inspector.getPrimitiveWritableObject(value);
    set(target, writable.toString());
  }
}

  @SuppressWarnings("deprecation")
  @Override
  public void set(ValueOption<?> target, Object value) {
    if (value == null) {
      target.setNull();
    } else if (primitive) {
      ((StringOption) target).modify(inspector.getPrimitiveJavaObject(value));
    } else {
      ((StringOption) target).modify(inspector.getPrimitiveWritableObject(value));
    }
  }
}

/**
 * Sets the specified value to this object only if the specified value is less than this object. However, if either
 * this object or the specified value represents {@code null}, this object will also turn to {@code null}.
 * @param other the target value
 */
public final void min(V other) {
  if (this == other) {
    return;
  }
  if (this.isNull() || other.isNull()) {
    setNull();
  } else if (compareTo(other) > 0) {
    copyFrom(other);
  }
}

@SuppressWarnings("deprecation")
@Override
public void set(ValueOption<?> target, Object value) {
  if (value == null) {
    target.setNull();
  } else if (primitive) {
    java.sql.Timestamp entity = inspector.getPrimitiveJavaObject(value);
    setDate(target, entity);
  } else {
    TimestampWritable writable = inspector.getPrimitiveWritableObject(value);
    setDate(target, writable.getTimestamp());
  }
}

@SuppressWarnings("deprecation")
@Override
public final void set(ValueOption<?> target, Object value) {
  if (value == null) {
    target.setNull();
  } else if (primitive) {
    Timestamp entity = inspector.getPrimitiveJavaObject(value);
    set(target, entity);
  } else {
    TimestampWritable writable = inspector.getPrimitiveWritableObject(value);
    set(target, writable.getTimestamp());
  }
}

@SuppressWarnings("deprecation")
@Override
public void set(ValueOption<?> target, Object value) {
  if (value == null) {
    target.setNull();
  } else if (primitive) {
    java.sql.Date entity = inspector.getPrimitiveJavaObject(value);
    setDate(target, entity);
  } else {
    DateWritable writable = inspector.getPrimitiveWritableObject(value);
    setDate(target, writable.get());
  }
}

  @SuppressWarnings("deprecation")
  @Override
  public void set(ValueOption<?> target, Object value) {
    if (value == null) {
      target.setNull();
    } else if (primitive) {
      HiveBaseChar entity = inspector.getPrimitiveJavaObject(value);
      ((StringOption) target).modify(entity.getValue());
    } else {
      HiveBaseCharWritable writable = inspector.getPrimitiveWritableObject(value);
      ((StringOption) target).modify(writable.getTextValue());
    }
  }
}

  @SuppressWarnings("deprecation")
  @Override
  public void set(ValueOption<?> target, Object value) {
    if (value == null) {
      target.setNull();
    } else if (primitive) {
      HiveBaseChar entity = inspector.getPrimitiveJavaObject(value);
      ((StringOption) target).modify(entity.getValue());
    } else {
      HiveBaseCharWritable writable = inspector.getPrimitiveWritableObject(value);
      ((StringOption) target).modify(writable.getTextValue());
    }
  }
}

@SuppressWarnings("deprecation")
@Override
public void set(ValueOption<?> target, Object value) {
  if (value == null) {
    target.setNull();
  } else if (primitive) {
    HiveDecimal entity = inspector.getPrimitiveJavaObject(value);
    ((DecimalOption) target).modify(entity.bigDecimalValue());
  } else {
    HiveDecimalWritable writable = inspector.getPrimitiveWritableObject(value);
    ((DecimalOption) target).modify(writable.getHiveDecimal().bigDecimalValue());
  }
}