public class DBCompareAndOrExpr extends DBCompareExpr
There is no need to explicitly create instances of this class.
Instead use DBCompareExpr.and(DBCompareExpr)
or DBCompareExpr.or(DBCompareExpr)
Modifier and Type | Field and Description |
---|---|
protected DBCompareExpr |
left |
protected boolean |
or |
protected DBCompareExpr |
right |
CTX_ALIAS, CTX_ALL, CTX_DEFAULT, CTX_FULLNAME, CTX_NAME, CTX_NOPARENTHESIS, CTX_VALUE
Constructor and Description |
---|
DBCompareAndOrExpr(DBCompareExpr left,
DBCompareExpr right,
boolean or)
Constructs a DBCompareColExpr object
|
Modifier and Type | Method and Description |
---|---|
void |
addReferencedColumns(Set<DBColumn> list)
Internal function to obtain all DBColumnExpr-objects used by this expression.
|
void |
addSQL(DBSQLBuilder sql,
long context)
Creates the SQL-Command sets the specified compare value
(the varible boolOP) between the two DBCompareExpr objects.
|
DBCompareExpr |
copy(DBCommand newCmd)
Copy Command
|
DBDatabase |
getDatabase()
Returns the current DBDatabase object.
|
DBCompareExpr |
getLeft() |
DBCompareExpr |
getRight() |
DBRowSet |
getRowSet()
Returns the underlying rowset containing this column
|
boolean |
isConstraintOn(DBColumnExpr colExpr)
Returns whether the constraint is on the given column
|
boolean |
isMutuallyExclusive(DBCompareExpr other)
Returns whether the constraint should replace another one or not.
|
boolean |
isOr() |
DBCompareExpr |
parenthesis()
wraps the current expression with parenthesis.
|
void |
prepareCommand(DBCommand cmd)
Prepare function
|
String |
toString()
For Debugging
|
and, not, or
checkParamNull
protected final DBCompareExpr left
protected final DBCompareExpr right
protected final boolean or
public DBCompareAndOrExpr(DBCompareExpr left, DBCompareExpr right, boolean or)
left
- the left side of the expressionright
- the right side of the expressionor
- true for OR operation, false for ANDpublic DBCompareExpr getLeft()
public DBCompareExpr getRight()
public boolean isOr()
public final DBDatabase getDatabase()
getDatabase
in class DBObject
public DBRowSet getRowSet()
getRowSet
in class DBCompareExpr
public void prepareCommand(DBCommand cmd)
prepareCommand
in class DBCompareExpr
cmd
- public DBCompareExpr copy(DBCommand newCmd)
copy
in class DBCompareExpr
newCmd
- the new command objectpublic void addReferencedColumns(Set<DBColumn> list)
DBExpr
addReferencedColumns
in class DBExpr
list
- list to which all used column expressions must be addedDBExpr.addReferencedColumns(Set)
public void addSQL(DBSQLBuilder sql, long context)
public boolean isMutuallyExclusive(DBCompareExpr other)
isMutuallyExclusive
in class DBCompareExpr
public boolean isConstraintOn(DBColumnExpr colExpr)
isConstraintOn
in class DBCompareExpr
public DBCompareExpr parenthesis()
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