Package org.apache.openjpa.kernel.exps

package org.apache.openjpa.kernel.exps

OpenJPA Expression Tree

Related Packages

Package	Description
org.apache.openjpa.kernel	OpenJPA Runtime Kernel
org.apache.openjpa.kernel.jpql	JPA Query Language Support

Class	Description
AbstractExpressionBuilder	Abstract base class to help build expressions.
AbstractExpressionVisitor	No-op abstract visitor meant for easy extension.
AggregateListener	An aggregate listener aggregates data produced by an ExpressionQuery.
Arguments	Multiple arguments to a function call.
CandidatePath	A path represents a traversal into fields of a candidate object.
CandidatePath.Traversal	Represents a traversal through a field.
Coalesce	An in-memory representation of a coalesce expression
Constant	Interface for any query constant value.
Context	JPQL / Criteria Query Context
Exp	An in-memory representation of an Expression.
Expression	Interface for a set of conditions that must be met for the query to be true.
ExpressionFactory	The ExpressionFactory must be implemented by a particular runtime to form Expressions in its native query language.
ExpressionParser	Parser for query languages that will be used by a ExpressionQuery.
ExpressionVisitor	Visits nodes of a query expression tree.
FilterListener	A filter listener extends expression filters with custom functionality.
InMemoryExpressionFactory	Expression factory implementation that can be used to execute queries in memory.
Literal	Interface for any literal value.
NullIf	An in-memory representation of a nullif expression
Parameter	A query parameter.
Path	A path represents a traversal into fields of a candidate object.
QueryExpressions	Struct to hold the state of a parsed expression query.
Resolver	A Resolver is used to resolve listeners and class or entity names that appear in a query.
SimpleCase	An in-memory representation of a simple case expression
StringContains	Deprecated. Use matches() instead.
Subquery	Query value representing a subquery.
Val	An in-memory representation of a Value.
Value	Interface for any non-operator in a query filter, including constants, variables, and object fields.
WhenCondition
WhenScalar
WildcardMatch	Deprecated. Use matches() instead.