jdk.lang.invoke.ConstantCallSite
A ConstantCallSite is a CallSite whose target is permanent, and can never be changed. An invokedynamic instruction linked to a ConstantCallSite is permanently bound to the call site's target.
A ConstantCallSite is a CallSite whose target is permanent, and can never be changed. An invokedynamic instruction linked to a ConstantCallSite is permanently bound to the call site's target.
->constant-call-siteclj
(->constant-call-site target)Constructor.
Creates a call site with a permanent target.
target - the target to be permanently associated with this call site - java.lang.invoke.MethodHandle
throws: java.lang.NullPointerException - if the proposed target is null
Constructor. Creates a call site with a permanent target. target - the target to be permanently associated with this call site - `java.lang.invoke.MethodHandle` throws: java.lang.NullPointerException - if the proposed target is null
dynamic-invokerclj
(dynamic-invoker this)Returns this call site's permanent target. Since that target will never change, this is a correct implementation of CallSite.dynamicInvoker.
returns: the immutable linkage state of this call site, a constant method handle - java.lang.invoke.MethodHandle
throws: java.lang.IllegalStateException - if the ConstantCallSite constructor has not completed
Returns this call site's permanent target. Since that target will never change, this is a correct implementation of CallSite.dynamicInvoker. returns: the immutable linkage state of this call site, a constant method handle - `java.lang.invoke.MethodHandle` throws: java.lang.IllegalStateException - if the ConstantCallSite constructor has not completed
get-targetclj
(get-target this)Returns the target method of the call site, which behaves like a final field of the ConstantCallSite. That is, the target is always the original value passed to the constructor call which created this instance.
returns: the immutable linkage state of this call site, a constant method handle - java.lang.invoke.MethodHandle
throws: java.lang.IllegalStateException - if the ConstantCallSite constructor has not completed
Returns the target method of the call site, which behaves like a final field of the ConstantCallSite. That is, the target is always the original value passed to the constructor call which created this instance. returns: the immutable linkage state of this call site, a constant method handle - `java.lang.invoke.MethodHandle` throws: java.lang.IllegalStateException - if the ConstantCallSite constructor has not completed
set-targetclj
(set-target this ignore)Always throws an UnsupportedOperationException. This kind of call site cannot change its target.
ignore - a new target proposed for the call site, which is ignored - java.lang.invoke.MethodHandle
throws: java.lang.UnsupportedOperationException - because this kind of call site cannot change its target
Always throws an UnsupportedOperationException. This kind of call site cannot change its target. ignore - a new target proposed for the call site, which is ignored - `java.lang.invoke.MethodHandle` throws: java.lang.UnsupportedOperationException - because this kind of call site cannot change its target
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