java.lang.Object
- java.lang.constant.DynamicCallSiteDesc

```
public class DynamicCallSiteDesc
extends Object
```
A nominal descriptor for an invokedynamic call site.
Concrete subtypes of DynamicCallSiteDesc must be value-based.

Since:

12

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`ConstantDesc[]`	`bootstrapArgs()`	Returns `ConstantDesc`s describing the bootstrap arguments for the `invokedynamic`.
`MethodHandleDesc`	`bootstrapMethod()`	Returns a `MethodHandleDesc` describing the bootstrap method for the `invokedynamic`.
`boolean`	`equals(Object o)`	Compares the specified object with this descriptor for equality.
`int`	`hashCode()`	Returns a hash code value for the object.
`String`	`invocationName()`	Returns the invocation name that would appear in the `NameAndType` operand of the `invokedynamic`.
`MethodTypeDesc`	`invocationType()`	Returns a `MethodTypeDesc` describing the invocation type that would appear in the `NameAndType` operand of the `invokedynamic`.
`static DynamicCallSiteDesc`	`of(DirectMethodHandleDesc bootstrapMethod, MethodTypeDesc invocationType)`	Creates a nominal descriptor for an `invokedynamic` call site whose bootstrap method has no static arguments and for which the name parameter is `ConstantDescs.DEFAULT_NAME`.
`static DynamicCallSiteDesc`	`of(DirectMethodHandleDesc bootstrapMethod, String invocationName, MethodTypeDesc invocationType)`	Creates a nominal descriptor for an `invokedynamic` call site whose bootstrap method has no static arguments.
`static DynamicCallSiteDesc`	`of(DirectMethodHandleDesc bootstrapMethod, String invocationName, MethodTypeDesc invocationType, ConstantDesc... bootstrapArgs)`	Creates a nominal descriptor for an `invokedynamic` call site.
`CallSite`	`resolveCallSiteDesc(MethodHandles.Lookup lookup)`	Reflectively invokes the bootstrap method with the specified arguments, and return the resulting `CallSite`
`String`	`toString()`	Returns a compact textual description of this call site description, including the bootstrap method, the invocation name and type, and the static bootstrap arguments.
`DynamicCallSiteDesc`	`withArgs(ConstantDesc... bootstrapArgs)`	Returns a nominal descriptor for an `invokedynamic` call site whose bootstrap method, name, and invocation type are the same as this one, but with the specified bootstrap arguments.
`DynamicCallSiteDesc`	`withNameAndType(String invocationName, MethodTypeDesc invocationType)`	Returns a nominal descriptor for an `invokedynamic` call site whose bootstrap and bootstrap arguments are the same as this one, but with the specified invocationName and invocation invocationType

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Method Detail
  - of
```
public static DynamicCallSiteDesc of(DirectMethodHandleDesc bootstrapMethod,
                                     String invocationName,
                                     MethodTypeDesc invocationType,
                                     ConstantDesc... bootstrapArgs)
```
    Creates a nominal descriptor for an invokedynamic call site.
    
    Parameters:
    
    bootstrapMethod - a DirectMethodHandleDesc describing the bootstrap method for the invokedynamic
    
    invocationName - The unqualified name that would appear in the NameAndType operand of the invokedynamic
    
    invocationType - a MethodTypeDesc describing the invocation type that would appear in the NameAndType operand of the invokedynamic
    
    bootstrapArgs - ConstantDescs describing the static arguments to the bootstrap, that would appear in the BootstrapMethods attribute
    
    Returns:
    
    the nominal descriptor
    
    Throws:
    
    NullPointerException - if any parameter is null
    
    IllegalArgumentException - if the invocation name has the incorrect format
    
    See The Java™ Virtual Machine Specification :
    
    4.2.2 Unqualified Names
  - of
```
public static DynamicCallSiteDesc of(DirectMethodHandleDesc bootstrapMethod,
                                     String invocationName,
                                     MethodTypeDesc invocationType)
```
    Creates a nominal descriptor for an invokedynamic call site whose bootstrap method has no static arguments.
    
    Parameters:
    
    bootstrapMethod - The bootstrap method for the invokedynamic
    
    invocationName - The invocationName that would appear in the NameAndType operand of the invokedynamic
    
    invocationType - The invocation invocationType that would appear in the NameAndType operand of the invokedynamic
    
    Returns:
    
    the nominal descriptor
    
    Throws:
    
    NullPointerException - if any parameter is null
    
    IllegalArgumentException - if the invocation name has the incorrect format
  - of
```
public static DynamicCallSiteDesc of(DirectMethodHandleDesc bootstrapMethod,
                                     MethodTypeDesc invocationType)
```
    Creates a nominal descriptor for an invokedynamic call site whose bootstrap method has no static arguments and for which the name parameter is ConstantDescs.DEFAULT_NAME.
    
    Parameters:
    
    bootstrapMethod - a DirectMethodHandleDesc describing the bootstrap method for the invokedynamic
    
    invocationType - a MethodTypeDesc describing the invocation type that would appear in the NameAndType operand of the invokedynamic
    
    Returns:
    
    the nominal descriptor
    
    Throws:
    
    NullPointerException - if any parameter is null
  - withArgs
```
public DynamicCallSiteDesc withArgs(ConstantDesc... bootstrapArgs)
```
    Returns a nominal descriptor for an invokedynamic call site whose bootstrap method, name, and invocation type are the same as this one, but with the specified bootstrap arguments.
    
    Parameters:
    
    bootstrapArgs - ConstantDescs describing the static arguments to the bootstrap, that would appear in the BootstrapMethods attribute
    
    Returns:
    
    the nominal descriptor
    
    Throws:
    
    NullPointerException - if any parameter is null
  - withNameAndType
```
public DynamicCallSiteDesc withNameAndType(String invocationName,
                                           MethodTypeDesc invocationType)
```
    Returns a nominal descriptor for an invokedynamic call site whose bootstrap and bootstrap arguments are the same as this one, but with the specified invocationName and invocation invocationType
    
    Parameters:
    
    invocationName - The unqualified name that would appear in the NameAndType operand of the invokedynamic
    
    invocationType - a MethodTypeDesc describing the invocation type that would appear in the NameAndType operand of the invokedynamic
    
    Returns:
    
    the nominal descriptor
    
    Throws:
    
    NullPointerException - if any parameter is null
    
    IllegalArgumentException - if the invocation name has the incorrect format
    
    See The Java™ Virtual Machine Specification :
    
    4.2.2 Unqualified Names
  - invocationName
```
public String invocationName()
```
    Returns the invocation name that would appear in the NameAndType operand of the invokedynamic.
    
    Returns:
    
    the invocation name
  - invocationType
```
public MethodTypeDesc invocationType()
```
    Returns a MethodTypeDesc describing the invocation type that would appear in the NameAndType operand of the invokedynamic.
    
    Returns:
    
    the invocation type
  - bootstrapMethod
```
public MethodHandleDesc bootstrapMethod()
```
    Returns a MethodHandleDesc describing the bootstrap method for the invokedynamic.
    
    Returns:
    
    the bootstrap method for the invokedynamic
  - bootstrapArgs
```
public ConstantDesc[] bootstrapArgs()
```
    Returns ConstantDescs describing the bootstrap arguments for the invokedynamic. The returned array is always non-null. A zero length array is returned if this DynamicCallSiteDesc has no bootstrap arguments.
    
    Returns:
    
    the bootstrap arguments for the invokedynamic
  - resolveCallSiteDesc
```
public CallSite resolveCallSiteDesc(MethodHandles.Lookup lookup)
                             throws Throwable
```
    Reflectively invokes the bootstrap method with the specified arguments, and return the resulting CallSite
    
    Parameters:
    
    lookup - The MethodHandles.Lookup used to resolve class names
    
    Returns:
    
    the CallSite
    
    Throws:
    
    Throwable - if any exception is thrown by the bootstrap method
  - equals
```
public final boolean equals(Object o)
```
    Compares the specified object with this descriptor for equality. Returns true if and only if the specified object is also a DynamicCallSiteDesc, and both descriptors have equal bootstrap methods, bootstrap argument lists, invocation name, and invocation type.
    
    Overrides:
    
    equals in class Object
    
    Parameters:
    
    o - the DynamicCallSiteDesc to compare to this DynamicCallSiteDesc
    
    Returns:
    
    true if the specified DynamicCallSiteDesc is equals to this DynamicCallSiteDesc.
    
    See Also:
    
    Object.hashCode(), HashMap
  - hashCode
```
public final int hashCode()
```
    Description copied from class: Object
    Returns a hash code value for the object. This method is supported for the benefit of hash tables such as those provided by HashMap.
    The general contract of hashCode is:
    
    Whenever it is invoked on the same object more than once during an execution of a Java application, the hashCode method must consistently return the same integer, provided no information used in equals comparisons on the object is modified. This integer need not remain consistent from one execution of an application to another execution of the same application.
    
    If two objects are equal according to the equals(Object) method, then calling the hashCode method on each of the two objects must produce the same integer result.
    
    It is not required that if two objects are unequal according to the Object.equals(java.lang.Object) method, then calling the hashCode method on each of the two objects must produce distinct integer results. However, the programmer should be aware that producing distinct integer results for unequal objects may improve the performance of hash tables.
    Overrides:
    
    hashCode in class Object
    
    Returns:
    
    a hash code value for this object.
    
    See Also:
    
    Object.equals(java.lang.Object), System.identityHashCode(java.lang.Object)
  - toString
```
public String toString()
```
    Returns a compact textual description of this call site description, including the bootstrap method, the invocation name and type, and the static bootstrap arguments.
    
    Overrides:
    
    toString in class Object
    
    Returns:
    
    A compact textual description of this call site descriptor

Class DynamicCallSiteDesc

Method Summary

Methods inherited from class java.lang.Object

Method Detail

of

of

of

withArgs

withNameAndType

invocationName

invocationType

bootstrapMethod

bootstrapArgs

resolveCallSiteDesc

equals

hashCode

toString