Package org.apache.cayenne.exp

Cayenne data expression classes.

This package contains classes that describe expression language of Cayenne. Cayenne expressions define expressions on objects rather than expressions on data. Other parts of Cayenne may translate them to the target database SQL syntax.

Interface Summary

Interface	Description
TraversalHandler	Expression visitor interface.
ValueInjector	Describes expressions, that can "inject" value to an object, i.e.

Class Summary

Class	Description
Expression	Superclass of Cayenne expressions that defines basic API for expressions use.
ExpressionFactory	Helper class to build expressions.
ExpressionParameter	Named parameter for parameterized expressions.
FunctionExpressionFactory	Collection of factory methods to create function call expressions.
Property<E>	Deprecated. since 4.2 in favour of type-specific set of properties, see PropertyFactory and org.apache.cayenne.exp.property package.
TraversalHelper	Noop implementation of TraversalHandler.

Exception Summary

Exception	Description
ExpressionException	RuntimeException thrown on errors during expressions creation/parsing.