com.caucho.amber.expr

Class KeyManyToOneExpr

java.lang.Object

com.caucho.amber.expr.AbstractAmberExpr

com.caucho.amber.expr.AbstractPathExpr

com.caucho.amber.expr.KeyManyToOneExpr

All Implemented Interfaces:

AmberExpr, IdFieldExpr, PathExpr

public class KeyManyToOneExpr
extends AbstractPathExpr
implements IdFieldExpr

Bound identifier expression.

Field Summary

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

IS_INNER_JOIN, USES_DATA

Constructor Summary

Constructors

Constructor and Description
KeyManyToOneExpr(PathExpr parent, KeyManyToOneField manyToOne) Creates a new unbound id expression.

Method Summary

Modifier and Type	Method and Description
AmberExpr	bindSelect(QueryParser parser) Binds the expression as a select item.
FromItem	bindSubPath(QueryParser parser) Binds the expression as a subpath.
AmberExpr	createField(QueryParser parser, java.lang.String name) Creates the expr from the path.
boolean	equals(java.lang.Object o)
void	generateMatchArgWhere(CharBuffer cb) Generates the where expression.
FromItem	getChildFromItem() Return the child from item.
AmberColumn	getColumn() Returns the column.
IdField	getField() Returns the name.
PathExpr	getParent() Returns the parent expression.
EntityType	getTargetType() Returns the entity class.
int	hashCode()
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.AbstractPathExpr

bindSelect, createArray, createId, createLoad

Methods inherited from class com.caucho.amber.expr.AbstractAmberExpr

createBoolean, exists, exists, findItem, generateHaving, generateJoin, generateSelect, generateUpdateWhere, generateWhere, getCacheObject, getColumnCount, getObject, getType, hasRelationship, isBoolean, replaceJoin, setInternalArgType, usesFrom

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

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

createBoolean, exists, exists, findItem, generateHaving, generateJoin, generateSelect, generateUpdateWhere, generateWhere, getCacheObject, getObject, getType, hasRelationship, isBoolean, replaceJoin, setInternalArgType, usesFrom

Constructor Detail

KeyManyToOneExpr

public KeyManyToOneExpr(PathExpr parent,
                        KeyManyToOneField manyToOne)

Creates a new unbound id expression.

Method Detail

getParent

public PathExpr getParent()

Returns the parent expression.

Specified by:

getParent in interface IdFieldExpr

getField

public IdField getField()

Returns the name.

Specified by:

getField in interface IdFieldExpr

getTargetType

public EntityType getTargetType()

Returns the entity class.

Specified by:

getTargetType in interface PathExpr

getColumn

public AmberColumn getColumn()

Returns the column.

Specified by:

getColumn in interface IdFieldExpr

createField

public AmberExpr createField(QueryParser parser,
                             java.lang.String name)

Creates the expr from the path.

Specified by:

createField in interface PathExpr

Overrides:

createField in class AbstractPathExpr

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

getChildFromItem

public FromItem getChildFromItem()

Return the child from item.

Specified by:

getChildFromItem in interface PathExpr

Overrides:

getChildFromItem in class AbstractPathExpr

bindSubPath

public FromItem bindSubPath(QueryParser parser)

Binds the expression as a subpath.

Specified by:

bindSubPath in interface PathExpr

Overrides:

bindSubPath in class AbstractPathExpr

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

generateMatchArgWhere

public void generateMatchArgWhere(CharBuffer cb)

Generates the where expression.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object