Package org.objectweb.asm
Class ConstantDynamic
java.lang.Object
org.objectweb.asm.ConstantDynamic
A constant whose value is computed at runtime, with a bootstrap method.
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Field Summary
FieldsModifier and TypeFieldDescriptionprivate final Handle
The bootstrap method to use to compute the constant value at runtime.private final Object[]
The arguments to pass to the bootstrap method, in order to compute the constant value at runtime.private final String
The constant type (must be a field descriptor).private final String
The constant name (can be arbitrary). -
Constructor Summary
ConstructorsConstructorDescriptionConstantDynamic
(String name, String descriptor, Handle bootstrapMethod, Object... bootstrapMethodArguments) Constructs a newConstantDynamic
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Method Summary
Modifier and TypeMethodDescriptionboolean
Returns the bootstrap method used to compute the value of this constant.getBootstrapMethodArgument
(int index) Returns an argument passed to the bootstrap method, in order to compute the value of this constant.int
Returns the number of arguments passed to the bootstrap method, in order to compute the value of this constant.(package private) Object[]
Returns the arguments to pass to the bootstrap method, in order to compute the value of this constant.Returns the type of this constant.getName()
Returns the name of this constant.int
getSize()
Returns the size of this constant.int
hashCode()
toString()
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Field Details
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name
The constant name (can be arbitrary). -
descriptor
The constant type (must be a field descriptor). -
bootstrapMethod
The bootstrap method to use to compute the constant value at runtime. -
bootstrapMethodArguments
The arguments to pass to the bootstrap method, in order to compute the constant value at runtime.
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Constructor Details
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ConstantDynamic
public ConstantDynamic(String name, String descriptor, Handle bootstrapMethod, Object... bootstrapMethodArguments) Constructs a newConstantDynamic
.- Parameters:
name
- the constant name (can be arbitrary).descriptor
- the constant type (must be a field descriptor).bootstrapMethod
- the bootstrap method to use to compute the constant value at runtime.bootstrapMethodArguments
- the arguments to pass to the bootstrap method, in order to compute the constant value at runtime.
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Method Details
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getName
Returns the name of this constant.- Returns:
- the name of this constant.
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getDescriptor
Returns the type of this constant.- Returns:
- the type of this constant, as a field descriptor.
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getBootstrapMethod
Returns the bootstrap method used to compute the value of this constant.- Returns:
- the bootstrap method used to compute the value of this constant.
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getBootstrapMethodArgumentCount
public int getBootstrapMethodArgumentCount()Returns the number of arguments passed to the bootstrap method, in order to compute the value of this constant.- Returns:
- the number of arguments passed to the bootstrap method, in order to compute the value of this constant.
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getBootstrapMethodArgument
Returns an argument passed to the bootstrap method, in order to compute the value of this constant.- Parameters:
index
- an argument index, between 0 andgetBootstrapMethodArgumentCount()
(exclusive).- Returns:
- the argument passed to the bootstrap method, with the given index.
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getBootstrapMethodArgumentsUnsafe
Object[] getBootstrapMethodArgumentsUnsafe()Returns the arguments to pass to the bootstrap method, in order to compute the value of this constant. WARNING: this array must not be modified, and must not be returned to the user.- Returns:
- the arguments to pass to the bootstrap method, in order to compute the value of this constant.
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getSize
public int getSize()Returns the size of this constant.- Returns:
- the size of this constant, i.e., 2 for
long
anddouble
, 1 otherwise.
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equals
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hashCode
public int hashCode() -
toString
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