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Package org.springframework.expression

Annotations

@NonNullApi
@NonNullFields

Imports

org.springframework.lang.NonNullApi, .NonNullFields

Core abstractions behind the Spring Expression Language.

Interface Summary

Modifier and Type	Interface and Description
public interface	BeanResolver A bean resolver can be registered with the evaluation context and will kick in for bean references: `@myBeanName` and `&myBeanName;` expressions.
public interface	ConstructorExecutor A `ConstructorExecutor` is built by a `ConstructorResolver` and can be cached by the infrastructure to repeat an operation quickly without going back to the resolvers.
public interface	ConstructorResolver A constructor resolver attempts to locate a constructor and returns a `ConstructorExecutor` that can be used to invoke that constructor.
public interface	EvaluationContext Expressions are executed in an evaluation context.
public interface	Expression An expression capable of evaluating itself against context objects.
public interface	ExpressionParser Parses expression strings into compiled expressions that can be evaluated.
public interface	MethodExecutor A `MethodExecutor` is built by a `MethodResolver` and can be cached by the infrastructure to repeat an operation quickly without going back to the resolvers.
public interface	MethodFilter MethodFilter instances allow SpEL users to fine tune the behaviour of the method resolution process.
public interface	MethodResolver A method resolver attempts to locate a method and returns a `MethodExecutor` that can be used to invoke that method.
public interface	OperatorOverloader By default, the mathematical operators defined in `Operation` support simple types like numbers.
public interface	ParserContext Input provided to an expression parser that can influence an expression parsing/compilation routine.
public interface	PropertyAccessor A property accessor is able to read from (and possibly write to) an object's properties.
public interface	TypeComparator Instances of a type comparator should be able to compare pairs of objects for equality.
public interface	TypeConverter A type converter can convert values between different types encountered during expression evaluation.
public interface	TypeLocator Implementers of this interface are expected to be able to locate types.

Class Summary

Modifier and Type	Class and Description
public class	AccessException An AccessException is thrown by an accessor if it has an unexpected problem.
public class	EvaluationException Represent an exception that occurs during expression evaluation.
public class	ExpressionException Superclass for exceptions that can occur whilst processing expressions.
public class	ExpressionInvocationTargetException This exception wraps (as cause) a checked exception thrown by some method that SpEL invokes.
public class	ParseException Represent an exception that occurs during expression parsing.
public class	TypedValue Encapsulates an object and a `TypeDescriptor` that describes it.

Enum Summary

Modifier and Type	Enum and Description
public enum	Operation Supported operations that an `OperatorOverloader` can implement for any pair of operands.