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| java.lang.Object
 org.axiondb.FromNode
| FromNode | | public class FromNode (Code) | | A binary tree of tables (or "table like" objects) being selected from. Each element in
the tree is either a FromNode or a TableIdentifier or a sub-query.
version:
$Revision: 1.12 $ $Date: 2005/04/01 01:35:26 $
author:
Amrish Lal |
| TYPE_INNER | | final public static int TYPE_INNER(Code) | | Inner join.
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| TYPE_LEFT | | final public static int TYPE_LEFT(Code) | | Left outer join
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| TYPE_RIGHT | | final public static int TYPE_RIGHT(Code) | | Right outer join
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| TYPE_SINGLE | | final public static int TYPE_SINGLE(Code) | | No Join
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| FromNode | | public FromNode()(Code) | | |
| getCondition | | public Selectable getCondition()(Code) | | get the join condition
join condition. |
| getTableCount | | public int getTableCount()(Code) | | Number of tables in this FromNode and its children.
table count. |
| getType | | public int getType()(Code) | | get the type of the join
integer indicating type (UNDEFINED, LEFT OUTER, RIGHT OUTER, INNER) |
| hasCondition | | public boolean hasCondition()(Code) | | |
| hasLeft | | public boolean hasLeft()(Code) | | |
| hasRight | | public boolean hasRight()(Code) | | |
| isInnerJoin | | public boolean isInnerJoin()(Code) | | |
| isLeftJoin | | public boolean isLeftJoin()(Code) | | |
| isRightJoin | | public boolean isRightJoin()(Code) | | |
| setCondition | | public void setCondition(Selectable condition)(Code) | | Set the join condition
Parameters:
type - condition Join condition. |
| setType | | public void setType(int type)(Code) | | Set the type of join.
Parameters:
type - integer value representing join type (INNER, LEFT OUTER, RIGHT OUTER) |
| toTableArray | | public TableIdentifier[] toTableArray()(Code) | | Array of tables in this FromNode or its children. Array is devleoped by preorder
traversal of the FromNode tree.
Array of TableIdentifier |
| typeToString | | public static String typeToString(int type)(Code) | | |
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