Package net.bytebuddy.implementation

Class InvokeDynamic.AbstractDelegator

java.lang.Object
net.bytebuddy.implementation.InvokeDynamic
net.bytebuddy.implementation.InvokeDynamic.AbstractDelegator
All Implemented Interfaces:
InstrumentedType.Prepareable, Implementation, Implementation.Composable
Direct Known Subclasses:
InvokeDynamic.WithImplicitArguments, InvokeDynamic.WithImplicitType
Enclosing class:
InvokeDynamic
protected abstract static class InvokeDynamic.AbstractDelegator extends InvokeDynamic
An abstract delegator that allows to specify a configuration for any specification of an argument.

  • Constructor Details

    • AbstractDelegator

      protected AbstractDelegator(MethodDescription.InDefinedShape bootstrap, List<? extends JavaConstant> arguments, InvokeDynamic.InvocationProvider invocationProvider, InvokeDynamic.TerminationHandler terminationHandler, Assigner assigner, Assigner.Typing typing)
      Creates a new abstract delegator for a dynamic method invocation.
      Parameters:
      bootstrap - The bootstrap method or constructor.
      arguments - The arguments that are provided to the bootstrap method or constructor.
      invocationProvider - The target provided that identifies the method to be bootstrapped.
      terminationHandler - A handler that handles the method return.
      assigner - The assigner to be used.
      typing - Indicates if dynamic type castings should be attempted for incompatible assignments.

  • Method Details

    • materialize

      protected abstract InvokeDynamic materialize()
      Resolves the current configuration into a fully initialized invoke dynamic instance.
      Returns:
      The fully resolved invoke dynamic instance.

    • withBooleanValue

      public InvokeDynamic withBooleanValue(boolean... value)
      Requires the bootstrap method to bootstrap a method that takes the specified boolean arguments as its next parameters.
      Overrides:
      withBooleanValue in class InvokeDynamic
      Parameters:
      value - The arguments to pass to the bootstrapped method.
      Returns:
      This invoke dynamic implementation where the bootstrapped method is passed the specified arguments.

    • withByteValue

      public InvokeDynamic withByteValue(byte... value)
      Requires the bootstrap method to bootstrap a method that takes the specified byte arguments as its next parameters.
      Overrides:
      withByteValue in class InvokeDynamic
      Parameters:
      value - The arguments to pass to the bootstrapped method.
      Returns:
      This invoke dynamic implementation where the bootstrapped method is passed the specified arguments.

    • withShortValue

      public InvokeDynamic withShortValue(short... value)
      Requires the bootstrap method to bootstrap a method that takes the specified short arguments as its next parameters.
      Overrides:
      withShortValue in class InvokeDynamic
      Parameters:
      value - The arguments to pass to the bootstrapped method.
      Returns:
      This invoke dynamic implementation where the bootstrapped method is passed the specified arguments.

    • withCharacterValue

      public InvokeDynamic withCharacterValue(char... value)
      Requires the bootstrap method to bootstrap a method that takes the specified char arguments as its next parameters.
      Overrides:
      withCharacterValue in class InvokeDynamic
      Parameters:
      value - The arguments to pass to the bootstrapped method.
      Returns:
      This invoke dynamic implementation where the bootstrapped method is passed the specified arguments.

    • withIntegerValue

      public InvokeDynamic withIntegerValue(int... value)
      Requires the bootstrap method to bootstrap a method that takes the specified int arguments as its next parameters.
      Overrides:
      withIntegerValue in class InvokeDynamic
      Parameters:
      value - The arguments to pass to the bootstrapped method.
      Returns:
      This invoke dynamic implementation where the bootstrapped method is passed the specified arguments.

    • withLongValue

      public InvokeDynamic withLongValue(long... value)
      Requires the bootstrap method to bootstrap a method that takes the specified long arguments as its next parameters.
      Overrides:
      withLongValue in class InvokeDynamic
      Parameters:
      value - The arguments to pass to the bootstrapped method.
      Returns:
      This invoke dynamic implementation where the bootstrapped method is passed the specified arguments.

    • withFloatValue

      public InvokeDynamic withFloatValue(float... value)
      Requires the bootstrap method to bootstrap a method that takes the specified float arguments as its next parameters.
      Overrides:
      withFloatValue in class InvokeDynamic
      Parameters:
      value - The arguments to pass to the bootstrapped method.
      Returns:
      This invoke dynamic implementation where the bootstrapped method is passed the specified arguments.

    • withDoubleValue

      public InvokeDynamic withDoubleValue(double... value)
      Requires the bootstrap method to bootstrap a method that takes the specified double arguments as its next parameters.
      Overrides:
      withDoubleValue in class InvokeDynamic
      Parameters:
      value - The arguments to pass to the bootstrapped method.
      Returns:
      This invoke dynamic implementation where the bootstrapped method is passed the specified arguments.

    • withValue

      public InvokeDynamic withValue(Object... value)

      Requires the bootstrap method to bootstrap a method that takes the specified arguments as its next parameters. Note that any primitive parameters are passed as their wrapper types. Furthermore, values that can be stored in the instrumented class's constant pool might be of different object identity when passed to the bootstrapped method or might not be visible to the the created class what later results in a runtime error.

      Overrides:
      withValue in class InvokeDynamic
      Parameters:
      value - The arguments to pass to the bootstrapped method.
      Returns:
      This invoke dynamic implementation where the bootstrapped method is passed the specified arguments.

    • withReference

      public InvokeDynamic.WithImplicitType withReference(Object value)

      Requires the bootstrap method to bootstrap a method that takes the specified argument as its next parameter while allowing to specify the value to be of a different type than the actual instance type.

      Overrides:
      withReference in class InvokeDynamic
      Parameters:
      value - The arguments to pass to the bootstrapped method.
      Returns:
      This invoke dynamic implementation where the bootstrapped method is passed the specified arguments.

    • withReference

      public InvokeDynamic withReference(Object... value)
      Requires the bootstrap method to bootstrap a method that takes the specified arguments as its next parameters. Note that any primitive parameters are passed as their wrapper types. Any value that is passed to the bootstrapped method is guaranteed to be of the same object identity.
      Overrides:
      withReference in class InvokeDynamic
      Parameters:
      value - The arguments to pass to the bootstrapped method.
      Returns:
      This invoke dynamic implementation where the bootstrapped method is passed the specified arguments.

    • withType

      public InvokeDynamic withType(TypeDescription... typeDescription)
      Hands the provided types to the dynamically bound method. The type is stored in the generated class's constant pool and is loaded at invocation time. For this to be possible, the created class's class loader must be able to see the provided type.
      Overrides:
      withType in class InvokeDynamic
      Parameters:
      typeDescription - The classes to provide to the bound method as an argument.
      Returns:
      This invoke dynamic implementation where the bootstrapped method is passed the specified type.

    • withInstance

      public InvokeDynamic withInstance(JavaConstant... javaConstant)
      Hands the provided Java instance to the dynamically bound method. The instance is stored in the generated class's constant pool and is loaded at invocation time. For this to be possible, the created class's class loader must be able to create the provided Java instance.
      Overrides:
      withInstance in class InvokeDynamic
      Parameters:
      javaConstant - The constants to provide to the bound method as an argument.
      Returns:
      This invoke dynamic implementation where the bootstrapped method is passed the specified Java instance.

    • withNullValue

      public InvokeDynamic withNullValue(Class<?>... type)
      Passes null values of the given types to the bootstrapped method.
      Overrides:
      withNullValue in class InvokeDynamic
      Parameters:
      type - The type that the null values should represent.
      Returns:
      This invoke dynamic implementation where the bootstrapped method is passed the specified arguments.

    • withNullValue

      public InvokeDynamic withNullValue(TypeDescription... typeDescription)
      Passes null values of the given types to the bootstrapped method.
      Overrides:
      withNullValue in class InvokeDynamic
      Parameters:
      typeDescription - The type that the null values should represent.
      Returns:
      This invoke dynamic implementation where the bootstrapped method is passed the specified arguments.

    • withArgument

      public InvokeDynamic withArgument(int... index)
      Passes parameters of the instrumented method to the bootstrapped method.
      Overrides:
      withArgument in class InvokeDynamic
      Parameters:
      index - The indices of the parameters that should be passed to the bootstrapped method.
      Returns:
      This invoke dynamic implementation where the bootstrapped method is passed the specified arguments.

    • withArgument

      public InvokeDynamic.WithImplicitType withArgument(int index)
      Passes a parameter of the instrumented method to the bootstrapped method.
      Overrides:
      withArgument in class InvokeDynamic
      Parameters:
      index - The index of the parameter that should be passed to the bootstrapped method.
      Returns:
      This invoke dynamic implementation where the bootstrapped method is passed the specified argument with its implicit type.

    • withThis

      public InvokeDynamic withThis(Class<?>... type)
      Passes references to this onto the operand stack where the instance is represented as the given types.
      Overrides:
      withThis in class InvokeDynamic
      Parameters:
      type - The types as which the this reference of the intercepted method should be masked.
      Returns:
      This implementation where this references are passed as the next arguments.

    • withThis

      public InvokeDynamic withThis(TypeDescription... typeDescription)
      Passes references to this onto the operand stack where the instance is represented as the given types.
      Overrides:
      withThis in class InvokeDynamic
      Parameters:
      typeDescription - The types as which the this reference of the intercepted method should be masked.
      Returns:
      This implementation where this references are passed as the next arguments.

    • withMethodArguments

      public InvokeDynamic withMethodArguments()
      Adds all method arguments to the the bootstrapped method.
      Overrides:
      withMethodArguments in class InvokeDynamic
      Returns:
      This invoke dynamic implementation with all parameters of the instrumented method added.

    • withImplicitAndMethodArguments

      public InvokeDynamic withImplicitAndMethodArguments()
      Adds a potential this reference and all method arguments to the the bootstrapped method.
      Overrides:
      withImplicitAndMethodArguments in class InvokeDynamic
      Returns:
      This invoke dynamic implementation with a potential this reference and all parameters of the instrumented method added.

    • withField

      public InvokeDynamic withField(String... fieldName)
      Passes the values of the specified fields to the bootstrap method. Any of the specified fields must already exist for the instrumented type.
      Overrides:
      withField in class InvokeDynamic
      Parameters:
      fieldName - The names of the fields to be passed to the bootstrapped method.
      Returns:
      This invoke dynamic implementation where the bootstrapped method is passed the specified arguments.

    • withEnumeration

      public InvokeDynamic withEnumeration(EnumerationDescription... enumerationDescription)
      Hands the provided enumerations to the dynamically bound method. The enumeration values are read from the enumeration class on demand. For this to be possible, the created class's class loader must be able to see the enumeration type.
      Overrides:
      withEnumeration in class InvokeDynamic
      Parameters:
      enumerationDescription - The enumeration values to provide to the bound method as an argument.
      Returns:
      This invoke dynamic implementation where the bootstrapped method is passed the specified enumerations.

    • withField

      public InvokeDynamic withField(FieldLocator.Factory fieldLocatorFactory, String... name)
      Passes the values of the specified fields to the bootstrap method. Any of the specified fields must already exist for the instrumented type.
      Overrides:
      withField in class InvokeDynamic
      Parameters:
      fieldLocatorFactory - The field locator factory to use.
      name - The names of the fields to be passed to the bootstrapped method.
      Returns:
      This invoke dynamic implementation where the bootstrapped method is passed the specified arguments.

    • withField

      public InvokeDynamic.WithImplicitType withField(String name)
      Passes the values of the specified fields to the bootstrap method. Any of the specified fields must already exist for the instrumented type.
      Overrides:
      withField in class InvokeDynamic
      Parameters:
      name - The names of the fields to be passed to the bootstrapped method.
      Returns:
      This invoke dynamic implementation where the bootstrapped method is passed the specified arguments.

    • withField

      public InvokeDynamic.WithImplicitType withField(String name, FieldLocator.Factory fieldLocatorFactory)
      Passes the values of the specified fields to the bootstrap method. Any of the specified fields must already exist for the instrumented type.
      Overrides:
      withField in class InvokeDynamic
      Parameters:
      name - The names of the fields to be passed to the bootstrapped method.
      fieldLocatorFactory - The field locator factory to use.
      Returns:
      This invoke dynamic implementation where the bootstrapped method is passed the specified arguments.

    • withAssigner

      public Implementation.Composable withAssigner(Assigner assigner, Assigner.Typing typing)
      Instructs this implementation to use the provided assigner and decides if the assigner should apply dynamic typing.
      Overrides:
      withAssigner in class InvokeDynamic
      Parameters:
      assigner - The assigner to use.
      typing - true if the assigner should attempt dynamic typing.
      Returns:
      The invoke dynamic instruction where the given assigner and dynamic-typing directive are applied.

    • andThen

      public Implementation andThen(Implementation implementation)
      Appends the supplied implementation to this implementation.
      Specified by:
      andThen in interface Implementation.Composable
      Overrides:
      andThen in class InvokeDynamic
      Parameters:
      implementation - The subsequent implementation.
      Returns:
      An implementation that combines this implementation with the provided one.

    • prepare

      public InstrumentedType prepare(InstrumentedType instrumentedType)
      Prepares a given instrumented type.
      Specified by:
      prepare in interface InstrumentedType.Prepareable
      Overrides:
      prepare in class InvokeDynamic
      Parameters:
      instrumentedType - The instrumented type in its current form.
      Returns:
      The prepared instrumented type.

    • appender

      public ByteCodeAppender appender(Implementation.Target implementationTarget)
      Creates a byte code appender that determines the implementation of the instrumented type's methods.
      Specified by:
      appender in interface Implementation
      Overrides:
      appender in class InvokeDynamic
      Parameters:
      implementationTarget - The target of the current implementation.
      Returns:
      A byte code appender for implementing methods delegated to this implementation. This byte code appender is also responsible for handling methods that were added by this implementation on the call to InstrumentedType.Prepareable.prepare(InstrumentedType).