程序包 cn.taketoday.context.expression

类 MapAccessor

java.lang.Object
cn.taketoday.context.expression.MapAccessor
所有已实现的接口:
cn.taketoday.bytecode.Opcodes, cn.taketoday.expression.PropertyAccessor, cn.taketoday.expression.spel.CompilablePropertyAccessor
public class MapAccessor extends Object implements cn.taketoday.expression.spel.CompilablePropertyAccessor
EL property accessor that knows how to traverse the keys of a standard Map.
从以下版本开始:
4.0
作者:
Juergen Hoeller, Andy Clement

  • 字段概要

    从接口继承的字段 cn.taketoday.bytecode.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_RECORD, 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, 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, JAVA_VERSION, 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, PRIVATE_FINAL_STATIC, PUTFIELD, PUTSTATIC, RET, RETURN, SALOAD, SASTORE, SIPUSH, SOURCE_DEPRECATED, SOURCE_MASK, SWAP, SWITCH_STYLE_HASH, SWITCH_STYLE_HASHONLY, SWITCH_STYLE_TRIE, T_BOOLEAN, T_BYTE, T_CHAR, T_DOUBLE, T_FLOAT, T_INT, T_LONG, T_SHORT, TABLESWITCH, TOP, UNINITIALIZED_THIS, V_PREVIEW, V1_1, V1_2, V1_3, V1_4, V1_5, V1_6, V1_7, V1_8, V10, V11, V12, V13, V14, V15, V16, V17, V18, V19, V9

  • 构造器概要

    构造器
    构造器
    说明
    MapAccessor()
     

  • 方法概要

    修饰符和类型
    方法
    说明
    boolean
    canRead(cn.taketoday.expression.EvaluationContext context, Object target, String name)
     
    boolean
    canWrite(cn.taketoday.expression.EvaluationContext context, Object target, String name)
     
    void
    generateCode(String propertyName, cn.taketoday.bytecode.MethodVisitor mv, cn.taketoday.bytecode.core.CodeFlow cf)
     
    Class<?>
    getPropertyType()
     
    Class<?>[]
    getSpecificTargetClasses()
     
    boolean
    isCompilable()
     
    cn.taketoday.expression.TypedValue
    read(cn.taketoday.expression.EvaluationContext context, Object target, String name)
     
    void
    write(cn.taketoday.expression.EvaluationContext context, Object target, String name, Object newValue)
     

    从类继承的方法 java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • 构造器详细资料

    • MapAccessor

      public MapAccessor()

  • 方法详细资料

    • getSpecificTargetClasses

      public Class<?>[] getSpecificTargetClasses()
      指定者:
      getSpecificTargetClasses 在接口中 cn.taketoday.expression.PropertyAccessor

    • canRead

      public boolean canRead(cn.taketoday.expression.EvaluationContext context, @Nullable Object target, String name) throws cn.taketoday.expression.AccessException
      指定者:
      canRead 在接口中 cn.taketoday.expression.PropertyAccessor
      抛出:
      cn.taketoday.expression.AccessException

    • read

      public cn.taketoday.expression.TypedValue read(cn.taketoday.expression.EvaluationContext context, @Nullable Object target, String name) throws cn.taketoday.expression.AccessException
      指定者:
      read 在接口中 cn.taketoday.expression.PropertyAccessor
      抛出:
      cn.taketoday.expression.AccessException

    • canWrite

      public boolean canWrite(cn.taketoday.expression.EvaluationContext context, @Nullable Object target, String name) throws cn.taketoday.expression.AccessException
      指定者:
      canWrite 在接口中 cn.taketoday.expression.PropertyAccessor
      抛出:
      cn.taketoday.expression.AccessException

    • write

      public void write(cn.taketoday.expression.EvaluationContext context, @Nullable Object target, String name, @Nullable Object newValue) throws cn.taketoday.expression.AccessException
      指定者:
      write 在接口中 cn.taketoday.expression.PropertyAccessor
      抛出:
      cn.taketoday.expression.AccessException

    • isCompilable

      public boolean isCompilable()
      指定者:
      isCompilable 在接口中 cn.taketoday.expression.spel.CompilablePropertyAccessor

    • getPropertyType

      public Class<?> getPropertyType()
      指定者:
      getPropertyType 在接口中 cn.taketoday.expression.spel.CompilablePropertyAccessor

    • generateCode

      public void generateCode(String propertyName, cn.taketoday.bytecode.MethodVisitor mv, cn.taketoday.bytecode.core.CodeFlow cf)
      指定者:
      generateCode 在接口中 cn.taketoday.expression.spel.CompilablePropertyAccessor