Class MethodReference

java.lang.Object
org.springframework.expression.spel.ast.SpelNodeImpl
org.springframework.expression.spel.ast.MethodReference
All Implemented Interfaces:
Opcodes, SpelNode

public class MethodReference extends SpelNodeImpl
Expression language AST node that represents a method reference.
Since:
3.0
Author:
Andy Clement, Juergen Hoeller, Sam Brannen
  • Constructor Details

    • MethodReference

      public MethodReference(boolean nullSafe, String methodName, int startPos, int endPos, SpelNodeImpl... arguments)
  • Method Details

    • isNullSafe

      public final boolean isNullSafe()
      Does this node represent a null-safe method reference?
      Since:
      6.0.13
    • getName

      public final String getName()
      Get the name of the referenced method.
    • getValueRef

      protected ValueRef getValueRef(ExpressionState state) throws EvaluationException
      Overrides:
      getValueRef in class SpelNodeImpl
      Throws:
      EvaluationException
    • getValueInternal

      public TypedValue getValueInternal(ExpressionState state) throws EvaluationException
      Specified by:
      getValueInternal in class SpelNodeImpl
      Throws:
      EvaluationException
    • toStringAST

      public String toStringAST()
      Description copied from interface: SpelNode
      Return the string form of this AST node.
      Returns:
      the string form
    • isCompilable

      public boolean isCompilable()
      A method reference is compilable if it has been resolved to a reflectively accessible method and the child nodes (arguments to the method) are also compilable.
      Overrides:
      isCompilable in class SpelNodeImpl
      Returns:
      true if this node can be compiled to bytecode
    • generateCode

      public void generateCode(MethodVisitor mv, CodeFlow cf)
      Description copied from class: SpelNodeImpl
      Generate the bytecode for this node into the supplied visitor. Context info about the current expression being compiled is available in the codeflow object, e.g. including information about the type of the object currently on the stack.
      Overrides:
      generateCode in class SpelNodeImpl
      Parameters:
      mv - the ASM MethodVisitor into which code should be generated
      cf - a context object with info about what is on the stack