Module io.smallrye.classfile

Package io.smallrye.classfile.constantpool

Interface MethodTypeEntry

All Superinterfaces:

LoadableConstantEntry, PoolEntry

public sealed interface MethodTypeEntry
extends LoadableConstantEntry

Models a CONSTANT_MethodType_info structure, or a symbolic reference to a method type, in the constant pool of a class file.

The use of a MethodTypeEntry is modeled by a MethodTypeDesc. Conversions are through ConstantPoolBuilder.methodTypeEntry(MethodTypeDesc) and asSymbol().

A method type entry is composite:

MethodTypeEntry(Utf8Entry descriptor)

where descriptor is a method descriptor string.

Since:

24

Field Summary

Fields inherited from interface io.smallrye.classfile.constantpool.PoolEntry

TAG_CLASS, TAG_DOUBLE, TAG_DYNAMIC, TAG_FIELDREF, TAG_FLOAT, TAG_INTEGER, TAG_INTERFACE_METHODREF, TAG_INVOKE_DYNAMIC, TAG_LONG, TAG_METHOD_HANDLE, TAG_METHOD_TYPE, TAG_METHODREF, TAG_MODULE, TAG_NAME_AND_TYPE, TAG_PACKAGE, TAG_STRING, TAG_UTF8

Method Summary

Modifier and Type	Method	Description
MethodTypeDesc	asSymbol()	Returns a symbolic descriptor for the method type.
default ConstantDesc	constantValue()	Returns a symbolic descriptor of this constant.
Utf8Entry	descriptor()	Returns the method descriptor string.
boolean	matches(MethodTypeDesc desc)	Returns whether this entry describes the given method type.

Methods inherited from interface io.smallrye.classfile.constantpool.LoadableConstantEntry

typeKind

Methods inherited from interface io.smallrye.classfile.constantpool.PoolEntry

constantPool, index, tag, width

Method Details

constantValue

default ConstantDesc constantValue()

Returns a symbolic descriptor of this constant.

This is equivalent to asSymbol().

Specified by:

constantValue in interface LoadableConstantEntry

Returns:

a symbolic descriptor of this constant

See Also:

• ConstantPoolBuilder.loadableConstantEntry(ConstantDesc)

descriptor

Utf8Entry descriptor()

Returns the method descriptor string.

Returns:

the method descriptor string

asSymbol

MethodTypeDesc asSymbol()

Returns a symbolic descriptor for the method type.

API Note:

If only symbol equivalence is desired, matches should be used. It requires reduced parsing and can improve class file reading performance.

Returns:

a symbolic descriptor for the method type

matches

boolean matches(MethodTypeDesc desc)

Returns whether this entry describes the given method type.

Parameters:

desc - the method type descriptor

Returns:

whether this entry describes the given method type

Since:

25