Field Detail

• MATCH

  public static final MultiJoinType MATCH

  Table must be present in an acceptable match.

• NOMATCH

  public static final MultiJoinType NOMATCH

  Table must be absent in an acceptable match.

• ALWAYS

  public static final MultiJoinType ALWAYS

  Any match containing table (even alone) is acceptable. Overrides MATCH and NOMATCH.

• DEFAULT

  public static final MultiJoinType DEFAULT

  No constraints on match inclusion for table.

Method Detail

• toString

  public java.lang.String toString()

  Returns join type name.

  Overrides:

  toString in class java.lang.Object

  Returns:

  name

• accept

  public static boolean accept(MultiJoinType[] joinTypes,
                               boolean[] present)

  Determines acceptability of a sequence of items based on a sequence of acceptability criteria.

  Parameters:

  joinTypes - array of acceptability criteria

  present - array of flags for presence/absence of items

  Returns:

  true iff acceptability criteria are fulfilled