com.caucho.amber.expr
Class OrExpr

java.lang.Object
  extended by com.caucho.amber.expr.AbstractAmberExpr
      extended by com.caucho.amber.expr.OrExpr
All Implemented Interfaces:
AmberExpr

public class OrExpr
extends AbstractAmberExpr

A disjunction.


Field Summary
 
Fields inherited from interface com.caucho.amber.expr.AmberExpr
IS_INNER_JOIN, USES_DATA
 
Constructor Summary
OrExpr()
           
 
Method Summary
 void add(AmberExpr expr)
          Adds a new component.
 AmberExpr bindSelect(QueryParser parser)
          Binds the expression as a select item.
 void generateHaving(CharBuffer cb)
          Generates the having expression.
 void generateJoin(CharBuffer cb)
          Generates the join expression.
 void generateUpdateWhere(CharBuffer cb)
          Generates the (update) where expression.
 void generateWhere(CharBuffer cb)
          Generates the where expression.
 boolean isBoolean()
          Returns true for a boolean expression.
 AmberExpr replaceJoin(JoinExpr join)
          Returns true if the expression uses the from item.
 void setInternalArgType(AmberExpr other)
          Binds the argument type based on another expr.
 java.lang.String toString()
           
 boolean usesFrom(FromItem from, int type, boolean isNot)
          Returns true if the expression uses the from item.
 
Methods inherited from class com.caucho.amber.expr.AbstractAmberExpr
createBoolean, exists, exists, findItem, generateSelect, getCacheObject, getColumnCount, getObject, getType, hasRelationship, usesFrom
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

OrExpr

public OrExpr()
Method Detail

isBoolean

public boolean isBoolean()
Returns true for a boolean expression.

Specified by:
isBoolean in interface AmberExpr
Overrides:
isBoolean in class AbstractAmberExpr

add

public void add(AmberExpr expr)
         throws QueryParseException
Adds a new component.

Throws:
QueryParseException

bindSelect

public AmberExpr bindSelect(QueryParser parser)
Binds the expression as a select item.

Specified by:
bindSelect in interface AmberExpr
Specified by:
bindSelect in class AbstractAmberExpr

usesFrom

public boolean usesFrom(FromItem from,
                        int type,
                        boolean isNot)
Returns true if the expression uses the from item.

Specified by:
usesFrom in interface AmberExpr
Overrides:
usesFrom in class AbstractAmberExpr

replaceJoin

public AmberExpr replaceJoin(JoinExpr join)
Returns true if the expression uses the from item.

Specified by:
replaceJoin in interface AmberExpr
Overrides:
replaceJoin in class AbstractAmberExpr

generateWhere

public void generateWhere(CharBuffer cb)
Generates the where expression.

Specified by:
generateWhere in interface AmberExpr
Overrides:
generateWhere in class AbstractAmberExpr

generateUpdateWhere

public void generateUpdateWhere(CharBuffer cb)
Generates the (update) where expression.

Specified by:
generateUpdateWhere in interface AmberExpr
Overrides:
generateUpdateWhere in class AbstractAmberExpr

generateHaving

public void generateHaving(CharBuffer cb)
Generates the having expression.

Specified by:
generateHaving in interface AmberExpr
Overrides:
generateHaving in class AbstractAmberExpr

generateJoin

public void generateJoin(CharBuffer cb)
Generates the join expression.

Specified by:
generateJoin in interface AmberExpr
Overrides:
generateJoin in class AbstractAmberExpr

toString

public java.lang.String toString()
Overrides:
toString in class java.lang.Object

setInternalArgType

public void setInternalArgType(AmberExpr other)
Binds the argument type based on another expr.

Specified by:
setInternalArgType in interface AmberExpr
Overrides:
setInternalArgType in class AbstractAmberExpr