java.lang.Object
- org.springframework.expression.spel.ast.SpelNodeImpl
- - org.springframework.expression.spel.ast.Operator
  - - org.springframework.expression.spel.ast.OpDec

All Implemented Interfaces:
Opcodes, SpelNode
```
public class OpDec
extends Operator
```
Decrement operator. Can be used in a prefix or postfix form. This will throw appropriate exceptions if the operand in question does not support decrement.
Since:
3.2
Author:
Andy Clement, Juergen Hoeller, Giovanni Dall'Oglio Risso

Nested Class Summary
- Nested classes/interfaces inherited from class org.springframework.expression.spel.ast.Operator
  Operator.DescriptorComparison

Field Summary
- Fields inherited from class org.springframework.expression.spel.ast.Operator
  leftActualDescriptor, rightActualDescriptor
- Fields inherited from class org.springframework.expression.spel.ast.SpelNodeImpl
  children, exitTypeDescriptor, pos
- Fields inherited from interface org.springframework.asm.Opcodes
  AALOAD, AASTORE, ACC_ABSTRACT, ACC_ANNOTATION, ACC_BRIDGE, ACC_DEPRECATED, ACC_ENUM, ACC_FINAL, ACC_INTERFACE, ACC_MANDATED, ACC_MODULE, ACC_NATIVE, ACC_OPEN, ACC_PRIVATE, ACC_PROTECTED, ACC_PUBLIC, ACC_STATIC, ACC_STATIC_PHASE, ACC_STRICT, ACC_SUPER, ACC_SYNCHRONIZED, ACC_SYNTHETIC, ACC_TRANSIENT, ACC_TRANSITIVE, ACC_VARARGS, ACC_VOLATILE, ACONST_NULL, ALOAD, ANEWARRAY, ARETURN, ARRAYLENGTH, ASM4, ASM5, ASM6, ASTORE, ATHROW, BALOAD, BASTORE, BIPUSH, CALOAD, CASTORE, CHECKCAST, D2F, D2I, D2L, DADD, DALOAD, DASTORE, DCMPG, DCMPL, DCONST_0, DCONST_1, DDIV, DLOAD, DMUL, DNEG, DOUBLE, DREM, DRETURN, DSTORE, DSUB, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1, DUP2_X2, F_APPEND, F_CHOP, F_FULL, F_NEW, F_SAME, F_SAME1, F2D, F2I, F2L, FADD, FALOAD, FASTORE, FCMPG, FCMPL, FCONST_0, FCONST_1, FCONST_2, FDIV, FLOAD, FLOAT, FMUL, FNEG, FREM, FRETURN, FSTORE, FSUB, GETFIELD, GETSTATIC, GOTO, H_GETFIELD, H_GETSTATIC, H_INVOKEINTERFACE, H_INVOKESPECIAL, H_INVOKESTATIC, H_INVOKEVIRTUAL, H_NEWINVOKESPECIAL, H_PUTFIELD, H_PUTSTATIC, I2B, I2C, I2D, I2F, I2L, I2S, IADD, IALOAD, IAND, IASTORE, ICONST_0, ICONST_1, ICONST_2, ICONST_3, ICONST_4, ICONST_5, ICONST_M1, IDIV, IF_ACMPEQ, IF_ACMPNE, IF_ICMPEQ, IF_ICMPGE, IF_ICMPGT, IF_ICMPLE, IF_ICMPLT, IF_ICMPNE, IFEQ, IFGE, IFGT, IFLE, IFLT, IFNE, IFNONNULL, IFNULL, IINC, ILOAD, IMUL, INEG, INSTANCEOF, INTEGER, INVOKEDYNAMIC, INVOKEINTERFACE, INVOKESPECIAL, INVOKESTATIC, INVOKEVIRTUAL, IOR, IREM, IRETURN, ISHL, ISHR, ISTORE, ISUB, IUSHR, IXOR, JSR, L2D, L2F, L2I, LADD, LALOAD, LAND, LASTORE, LCMP, LCONST_0, LCONST_1, LDC, LDIV, LLOAD, LMUL, LNEG, LONG, LOOKUPSWITCH, LOR, LREM, LRETURN, LSHL, LSHR, LSTORE, LSUB, LUSHR, LXOR, MONITORENTER, MONITOREXIT, MULTIANEWARRAY, NEW, NEWARRAY, NOP, NULL, POP, POP2, PUTFIELD, PUTSTATIC, RET, RETURN, SALOAD, SASTORE, SIPUSH, SWAP, T_BOOLEAN, T_BYTE, T_CHAR, T_DOUBLE, T_FLOAT, T_INT, T_LONG, T_SHORT, TABLESWITCH, TOP, UNINITIALIZED_THIS, V1_1, V1_2, V1_3, V1_4, V1_5, V1_6, V1_7, V1_8, V1_9

Constructor Summary
Constructors
Constructor Description
OpDec(int pos, boolean postfix, SpelNodeImpl... operands)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`SpelNodeImpl`	`getRightOperand()`
`TypedValue`	`getValueInternal(ExpressionState state)`
`String`	`toStringAST()`	String format for all operators is the same `'(' [operand] [operator] [operand] ')'`.

Methods inherited from class org.springframework.expression.spel.ast.Operator
equalityCheck, generateComparisonCode, getLeftOperand, getOperatorName, isCompilableOperatorUsingNumerics

Methods inherited from class org.springframework.expression.spel.ast.SpelNodeImpl
generateCode, generateCodeForArgument, generateCodeForArguments, getChild, getChildCount, getEndPosition, getExitDescriptor, getObjectClass, getPreviousChild, getStartPosition, getTypedValue, getValue, getValue, getValueRef, isCompilable, isWritable, nextChildIs, setValue

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

- Constructor Detail
  - OpDec
```
public OpDec(int pos,
             boolean postfix,
             SpelNodeImpl... operands)
```
- Method Detail
  - getValueInternal
```
public TypedValue getValueInternal(ExpressionState state)
                            throws EvaluationException
```
    Specified by:
    getValueInternal in class SpelNodeImpl
    Throws:
    EvaluationException
  - toStringAST
```
public String toStringAST()
```
    Description copied from class: Operator
    String format for all operators is the same '(' [operand] [operator] [operand] ')'.
    Specified by:
    toStringAST in interface SpelNode
    Overrides:
    toStringAST in class Operator
    Returns:
    the string form of this AST node
  - getRightOperand
```
public SpelNodeImpl getRightOperand()
```
    Overrides:
    getRightOperand in class Operator

Class OpDec

Nested Class Summary

Nested classes/interfaces inherited from class org.springframework.expression.spel.ast.Operator

Field Summary

Fields inherited from class org.springframework.expression.spel.ast.Operator

Fields inherited from class org.springframework.expression.spel.ast.SpelNodeImpl

Fields inherited from interface org.springframework.asm.Opcodes

Constructor Summary

Method Summary

Methods inherited from class org.springframework.expression.spel.ast.Operator

Methods inherited from class org.springframework.expression.spel.ast.SpelNodeImpl

Methods inherited from class java.lang.Object

Constructor Detail

OpDec

Method Detail

getValueInternal

toStringAST

getRightOperand