org.apache.jdo.impl.enhancer.classfile
Class ConstantValueAttribute

java.lang.Object
  extended byorg.apache.jdo.impl.enhancer.classfile.ClassAttribute
      extended byorg.apache.jdo.impl.enhancer.classfile.ConstantValueAttribute
All Implemented Interfaces:
VMConstants

public class ConstantValueAttribute
extends ClassAttribute

ConstantValueAttribute represents a constant value attribute in a class file. These attributes are used as initialization values for static fields.


Field Summary
private  ConstValue constantValue
           
static java.lang.String expectedAttrName
           
 
Fields inherited from class org.apache.jdo.impl.enhancer.classfile.ClassAttribute
 
Fields inherited from interface org.apache.jdo.impl.enhancer.classfile.VMConstants
ACCAbstract, ACCAnnotation, ACCBridge, ACCEnum, ACCFinal, ACCInterface, ACCNative, ACCPrivate, ACCProtected, ACCPublic, ACCStatic, ACCStrict, ACCSuper, ACCSynchronized, ACCSynthetic, ACCTransient, ACCVarargs, ACCVolatile, CONSTANTClass, CONSTANTDouble, CONSTANTFieldRef, CONSTANTFloat, CONSTANTInteger, CONSTANTInterfaceMethodRef, CONSTANTLong, CONSTANTMethodRef, CONSTANTNameAndType, CONSTANTString, CONSTANTUnicode, CONSTANTUtf8, opc_aaload, opc_aastore, opc_aconst_null, opc_aload, opc_aload_0, opc_aload_1, opc_aload_2, opc_aload_3, opc_anewarray, opc_areturn, opc_arraylength, opc_astore, opc_astore_0, opc_astore_1, opc_astore_2, opc_astore_3, opc_athrow, opc_baload, opc_bastore, opc_bipush, opc_caload, opc_castore, opc_checkcast, opc_d2f, opc_d2i, opc_d2l, opc_dadd, opc_daload, opc_dastore, opc_dcmpg, opc_dcmpl, opc_dconst_0, opc_dconst_1, opc_ddiv, opc_dload, opc_dload_0, opc_dload_1, opc_dload_2, opc_dload_3, opc_dmul, opc_dneg, opc_drem, opc_dreturn, opc_dstore, opc_dstore_0, opc_dstore_1, opc_dstore_2, opc_dstore_3, opc_dsub, opc_dup, opc_dup_x1, opc_dup_x2, opc_dup2, opc_dup2_x1, opc_dup2_x2, opc_f2d, opc_f2i, opc_f2l, opc_fadd, opc_faload, opc_fastore, opc_fcmpg, opc_fcmpl, opc_fconst_0, opc_fconst_1, opc_fconst_2, opc_fdiv, opc_fload, opc_fload_0, opc_fload_1, opc_fload_2, opc_fload_3, opc_fmul, opc_fneg, opc_frem, opc_freturn, opc_fstore, opc_fstore_0, opc_fstore_1, opc_fstore_2, opc_fstore_3, opc_fsub, opc_getfield, opc_getstatic, opc_goto, opc_goto_w, opc_i2b, opc_i2c, opc_i2d, opc_i2f, opc_i2l, opc_i2s, opc_iadd, opc_iaload, opc_iand, opc_iastore, opc_iconst_0, opc_iconst_1, opc_iconst_2, opc_iconst_3, opc_iconst_4, opc_iconst_5, opc_iconst_m1, opc_idiv, opc_if_acmpeq, opc_if_acmpne, opc_if_icmpeq, opc_if_icmpge, opc_if_icmpgt, opc_if_icmple, opc_if_icmplt, opc_if_icmpne, opc_ifeq, opc_ifge, opc_ifgt, opc_ifle, opc_iflt, opc_ifne, opc_ifnonnull, opc_ifnull, opc_iinc, opc_iload, opc_iload_0, opc_iload_1, opc_iload_2, opc_iload_3, opc_imul, opc_ineg, opc_instanceof, opc_invokedynamic, opc_invokeinterface, opc_invokespecial, opc_invokestatic, opc_invokevirtual, opc_ior, opc_irem, opc_ireturn, opc_ishl, opc_ishr, opc_istore, opc_istore_0, opc_istore_1, opc_istore_2, opc_istore_3, opc_isub, opc_iushr, opc_ixor, opc_jsr, opc_jsr_w, opc_l2d, opc_l2f, opc_l2i, opc_ladd, opc_laload, opc_land, opc_lastore, opc_lcmp, opc_lconst_0, opc_lconst_1, opc_ldc, opc_ldc_w, opc_ldc2_w, opc_ldiv, opc_lload, opc_lload_0, opc_lload_1, opc_lload_2, opc_lload_3, opc_lmul, opc_lneg, opc_lookupswitch, opc_lor, opc_lrem, opc_lreturn, opc_lshl, opc_lshr, opc_lstore, opc_lstore_0, opc_lstore_1, opc_lstore_2, opc_lstore_3, opc_lsub, opc_lushr, opc_lxor, opc_monitorenter, opc_monitorexit, opc_multianewarray, opc_new, opc_newarray, opc_nop, opc_pop, opc_pop2, opc_putfield, opc_putstatic, opc_ret, opc_return, opc_saload, opc_sastore, opc_sipush, opc_swap, opc_tableswitch, opc_wide, T_BOOLEAN, T_BYTE, T_CHAR, T_DOUBLE, T_FLOAT, T_INT, T_LONG, T_SHORT, T_TWOWORD, T_UNKNOWN, T_WORD, TC_INTERFACE, TC_OBJECT, TC_STRING
 
Constructor Summary
ConstantValueAttribute(ConstUtf8 attrName, ConstValue value)
          Construct a constant value attribute
 
Method Summary
 boolean isEqual(java.util.Stack msg, java.lang.Object obj)
          Compares this instance with another for structural equality.
(package private)  void print(java.io.PrintStream out, int indent)
          Print a description of the attribute to the print stream
(package private) static ConstantValueAttribute read(ConstUtf8 attrName, java.io.DataInputStream data, ConstantPool pool)
           
 ConstValue value()
           
(package private)  void write(java.io.DataOutputStream out)
          Write the attribute to the output stream
 
Methods inherited from class org.apache.jdo.impl.enhancer.classfile.ClassAttribute
attrName, read, read
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

expectedAttrName

public static final java.lang.String expectedAttrName
See Also:
Constant Field Values

constantValue

private ConstValue constantValue
Constructor Detail

ConstantValueAttribute

public ConstantValueAttribute(ConstUtf8 attrName,
                              ConstValue value)
Construct a constant value attribute

Method Detail

value

public ConstValue value()

isEqual

public boolean isEqual(java.util.Stack msg,
                       java.lang.Object obj)
Compares this instance with another for structural equality.

Overrides:
isEqual in class ClassAttribute

read

static ConstantValueAttribute read(ConstUtf8 attrName,
                                   java.io.DataInputStream data,
                                   ConstantPool pool)
                            throws java.io.IOException
Throws:
java.io.IOException

write

void write(java.io.DataOutputStream out)
     throws java.io.IOException
Description copied from class: ClassAttribute
Write the attribute to the output stream

Specified by:
write in class ClassAttribute
Throws:
java.io.IOException

print

void print(java.io.PrintStream out,
           int indent)
Description copied from class: ClassAttribute
Print a description of the attribute to the print stream

Specified by:
print in class ClassAttribute