MultiJoinType (Starjava Table API)

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java.lang.Object
- uk.ac.starlink.table.join.MultiJoinType

```
public class MultiJoinType
extends java.lang.Object
```
Enumeration defining how each table in a multi-table join can determines the acceptability of a match. Acceptability can be used to decide which matches form part of the output table resulting from a match.

Since:

4 Dec 2007

Author:

Mark Taylor

Field Summary

Fields
Modifier and Type	Field	Description
`static MultiJoinType`	`ALWAYS`	Any match containing table (even alone) is acceptable.
`static MultiJoinType`	`DEFAULT`	No constraints on match inclusion for table.
`static MultiJoinType`	`MATCH`	Table must be present in an acceptable match.
`static MultiJoinType`	`NOMATCH`	Table must be absent in an acceptable match.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static boolean`	`accept(MultiJoinType[] joinTypes, boolean[] present)`	Determines acceptability of a sequence of items based on a sequence of acceptability criteria.
`java.lang.String`	`toString()`	Returns join type name.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- 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

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