Class InstanceCheck
- java.lang.Object
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- net.bytebuddy.implementation.bytecode.assign.InstanceCheck
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- All Implemented Interfaces:
StackManipulation
@Enhance public class InstanceCheck extends java.lang.Object implements StackManipulation
Implements aninstanceof
check.
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Nested Class Summary
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Nested classes/interfaces inherited from interface net.bytebuddy.implementation.bytecode.StackManipulation
StackManipulation.Compound, StackManipulation.Illegal, StackManipulation.Size, StackManipulation.Trivial
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Field Summary
Fields Modifier and Type Field Description private TypeDescription
typeDescription
The type to apply the instance check against.
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Constructor Summary
Constructors Modifier Constructor Description protected
InstanceCheck(TypeDescription typeDescription)
Creates a new instance check.
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description StackManipulation.Size
apply(org.objectweb.asm.MethodVisitor methodVisitor, Implementation.Context implementationContext)
Applies the stack manipulation that is described by this instance.boolean
isValid()
Determines if this stack manipulation is valid.static StackManipulation
of(TypeDescription typeDescription)
Creates a new instance check.
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Field Detail
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typeDescription
private final TypeDescription typeDescription
The type to apply the instance check against.
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Constructor Detail
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InstanceCheck
protected InstanceCheck(TypeDescription typeDescription)
Creates a new instance check.- Parameters:
typeDescription
- The type to apply the instance check against.
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Method Detail
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of
public static StackManipulation of(TypeDescription typeDescription)
Creates a new instance check.- Parameters:
typeDescription
- The type to apply the instance check against.- Returns:
- An appropriate stack manipulation.
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isValid
public boolean isValid()
Determines if this stack manipulation is valid.- Specified by:
isValid
in interfaceStackManipulation
- Returns:
- If
false
, this manipulation cannot be applied and should throw an exception.
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apply
public StackManipulation.Size apply(org.objectweb.asm.MethodVisitor methodVisitor, Implementation.Context implementationContext)
Applies the stack manipulation that is described by this instance.- Specified by:
apply
in interfaceStackManipulation
- Parameters:
methodVisitor
- The method visitor used to write the method implementation to.implementationContext
- The context of the current implementation.- Returns:
- The changes to the size of the operand stack that are implied by this stack manipulation.
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