Constructor Detail

• DefaultObjectGrouper

  public DefaultObjectGrouper()

• DefaultObjectGrouper

  public DefaultObjectGrouper​(java.lang.String name)

Method Detail

• getValue

  public java.lang.Object getValue​(java.lang.Object value)

  Description copied from interface: ObjectGrouper
  Gets the group value after this value is grouped. If two objects return the same value in this getGroupValue method, the two objects are considered as one group. We assume all values returned from this method are of the same type which is returned in ObjectGrouper.getType().

  Parameters:

  value - the value

  Returns:

  the value after grouped.

• getType

  public java.lang.Class<?> getType()

  Description copied from interface: ObjectGrouper
  Gets the group value type. It should be the type of the value that is returned from the getGroupValue.

  Returns:

  the group value type.

• getName

  public java.lang.String getName()

  Description copied from interface: ObjectGrouper
  Gets the name of this object grouper.

  Returns:

  the name of this grouper.

• setName

  public void setName​(java.lang.String name)