com.caucho.amber.expr
Class AbstractPathExpr

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

All Implemented Interfaces:

AmberExpr, PathExpr

Direct Known Subclasses:

DependentEntityOneToOneExpr, ElementCollectionExpr, EmbeddedExpr, IdExpr, KeyManyToOneExpr, ManyToOneExpr, OneToManyExpr

public abstract class AbstractPathExpr
extends AbstractAmberExpr
implements PathExpr

Represents an amber mapping query expression

Field Summary

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

IS_INNER_JOIN, USES_DATA

Constructor Summary

AbstractPathExpr()

Method Summary

PathExpr	bindSelect(QueryParser parser, java.lang.String tableName) Binds the expression as a select item.
FromItem	bindSubPath(QueryParser parser) Binds the expression as a select item.
AmberExpr	createArray(AmberExpr field) Creates an array reference.
AmberExpr	createField(QueryParser parser, java.lang.String fieldName) Creates the expr from the path.
IdExpr	createId(FromItem fromItem) Creates an id expression.
LoadExpr	createLoad() Creates a load expression.
FromItem	getChildFromItem() Returns the from item

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

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

Methods inherited from class java.lang.Object

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

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

getTargetType

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

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

Constructor Detail

AbstractPathExpr

public AbstractPathExpr()

Method Detail

createField

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

Creates the expr from the path.

Specified by:

createField in interface PathExpr

createArray

public AmberExpr createArray(AmberExpr field)

Creates an array reference.

Specified by:

createArray in interface PathExpr

createId

public IdExpr createId(FromItem fromItem)

Creates an id expression.

Specified by:

createId in interface PathExpr

createLoad

public LoadExpr createLoad()

Creates a load expression.

Specified by:

createLoad in interface PathExpr

bindSelect

public PathExpr bindSelect(QueryParser parser,
                           java.lang.String tableName)

Binds the expression as a select item.

Specified by:

bindSelect in interface PathExpr

bindSubPath

public FromItem bindSubPath(QueryParser parser)

Binds the expression as a select item.

Specified by:

bindSubPath in interface PathExpr

getChildFromItem

public FromItem getChildFromItem()

Returns the from item

Specified by:

getChildFromItem in interface PathExpr