com.caucho.amber.expr
Class MapFieldExpr

java.lang.Object
  com.caucho.amber.expr.AbstractAmberExpr
      com.caucho.amber.expr.MapFieldExpr

All Implemented Interfaces:

AmberExpr

Direct Known Subclasses:

MapManyToManyExpr

public class MapFieldExpr
extends AbstractAmberExpr

Bound identifier expression.

Field Summary

protected PathExpr

_parent

Fields inherited from interface com.caucho.amber.expr.AmberExpr

IS_INNER_JOIN, USES_DATA

Constructor Summary

MapFieldExpr(PathExpr parent, MapElementField field, AmberExpr index)
Creates a new unbound id expression.

Method Summary

AmberExpr	bindSelect(QueryParser parser) Binds the expression as a select item.
void	generateHaving(CharBuffer cb) Generates the having expression.
void	generateSelect(CharBuffer cb) Generates the select expression.
void	generateUpdateWhere(CharBuffer cb) Generates the (update) where expression.
void	generateWhere(CharBuffer cb) Generates the where expression.
EntityType	getTableType() Returns the expr's type.
AmberType	getType() Returns the expr's type.
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, generateJoin, getCacheObject, getColumnCount, getObject, hasRelationship, isBoolean, replaceJoin, setInternalArgType, usesFrom

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

_parent

protected PathExpr _parent

Constructor Detail

MapFieldExpr

public MapFieldExpr(PathExpr parent,
                    MapElementField field,
                    AmberExpr index)

Creates a new unbound id expression.

Method Detail

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

getType

public AmberType getType()

Returns the expr's type.

Specified by:

getType in interface AmberExpr

Overrides:

getType in class AbstractAmberExpr

getTableType

public EntityType getTableType()

Returns the expr's type.

generateSelect

public void generateSelect(CharBuffer cb)

Generates the select expression.

Specified by:

generateSelect in interface AmberExpr

Overrides:

generateSelect 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

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object