| java.lang.Object
 jimm.datavision.source.Join
| Join | | public Join(Column fromCol, String relation, Column toCol)(Code) | | Constructor.
Parameters:
fromCol - a database column
Parameters:
relation - a string like "=" or "<" used to join the two databasecolumns
Parameters:
toCol - another database column
See Also: Column |
| getFrom | | public Column getFrom()(Code) | | Returns the "from" column.
a column |
| getRelation | | public String getRelation()(Code) | | Returns the relation string (for example, "=" or "<").
a string used to define the relationship between the twodatabase columns |
| getTo | | public Column getTo()(Code) | | Returns the "to" column.
a column |
| setFrom | | public void setFrom(Column newFrom)(Code) | | Sets the "from" column.
Parameters:
newFrom - the new column |
| setRelation | | public void setRelation(String newRelation)(Code) | | Sets the relation string (for example, "=" or "<").
Parameters:
newRelation - the new string |
| setTo | | public void setTo(Column newTo)(Code) | | Sets the "to" column.
Parameters:
newTo - the new column |
| toString | | public String toString()(Code) | | Returns a string representation of this join, usable as a where
clause in a SQL query.
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| writeXML | | public void writeXML(XMLWriter out)(Code) | | Writes this join as an XML tag.
Parameters:
out - a writer that knows how to write XML |
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