Class FieldAccess.AccessDispatcher.AbstractFieldInstruction
- java.lang.Object
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- net.bytebuddy.implementation.bytecode.member.FieldAccess.AccessDispatcher.AbstractFieldInstruction
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- All Implemented Interfaces:
StackManipulation
- Direct Known Subclasses:
FieldAccess.AccessDispatcher.FieldGetInstruction
,FieldAccess.AccessDispatcher.FieldPutInstruction
- Enclosing class:
- FieldAccess.AccessDispatcher
private abstract class FieldAccess.AccessDispatcher.AbstractFieldInstruction extends java.lang.Object implements StackManipulation
An abstract base implementation for accessing a field value.
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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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Constructor Summary
Constructors Modifier Constructor Description private
AbstractFieldInstruction()
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Method Summary
All Methods Instance Methods Abstract 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.protected abstract int
getOpcode()
Returns the opcode for implementing the field access.boolean
isValid()
Determines if this stack manipulation is valid.protected abstract StackManipulation.Size
resolveSize(StackSize fieldSize)
Resolves the actual size of this field access operation.
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Method Detail
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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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getOpcode
protected abstract int getOpcode()
Returns the opcode for implementing the field access.- Returns:
- The opcode for implementing the field access.
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resolveSize
protected abstract StackManipulation.Size resolveSize(StackSize fieldSize)
Resolves the actual size of this field access operation.- Parameters:
fieldSize
- The size of the accessed field.- Returns:
- The size of the field access operation based on the field's size.
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