http://commons.apache.org/collections/: Types that extend and augment the Java Collections Framework. (The Apache Software Foundation)
  • Rafael U. C. Afonso
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  • Stephen Colebourne ()
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  • Rodney Waldhoff ()
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  • Robert Burrell Donkin 
public class org.apache.commons.collections.UnboundedFifoBuffer extends java.util.AbstractCollection implements org.apache.commons.collections.Buffer
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.commons.collections.UnboundedFifoBuffer
  super_class: java.util.AbstractCollection
{
  protected java.lang.Object[] m_buffer;
    descriptor: [Ljava/lang/Object;
    flags: (0x0004) ACC_PROTECTED

  protected int m_head;
    descriptor: I
    flags: (0x0004) ACC_PROTECTED

  protected int m_tail;
    descriptor: I
    flags: (0x0004) ACC_PROTECTED

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.apache.commons.collections.UnboundedFifoBuffer this
         0: .line 70
            aload 0 /* this */
            bipush 32
            invokespecial org.apache.commons.collections.UnboundedFifoBuffer.<init>:(I)V
         1: .line 71
            return
        end local 0 // org.apache.commons.collections.UnboundedFifoBuffer this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/commons/collections/UnboundedFifoBuffer;

  public void <init>(int);
    descriptor: (I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.apache.commons.collections.UnboundedFifoBuffer this
        start local 1 // int initialSize
         0: .line 80
            aload 0 /* this */
            invokespecial java.util.AbstractCollection.<init>:()V
         1: .line 81
            iload 1 /* initialSize */
            ifgt 3
         2: .line 82
            new java.lang.IllegalArgumentException
            dup
            ldc "The size must be greater than 0"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 84
      StackMap locals: org.apache.commons.collections.UnboundedFifoBuffer int
      StackMap stack:
            aload 0 /* this */
            iload 1 /* initialSize */
            iconst_1
            iadd
            anewarray java.lang.Object
            putfield org.apache.commons.collections.UnboundedFifoBuffer.m_buffer:[Ljava/lang/Object;
         4: .line 85
            aload 0 /* this */
            iconst_0
            putfield org.apache.commons.collections.UnboundedFifoBuffer.m_head:I
         5: .line 86
            aload 0 /* this */
            iconst_0
            putfield org.apache.commons.collections.UnboundedFifoBuffer.m_tail:I
         6: .line 87
            return
        end local 1 // int initialSize
        end local 0 // org.apache.commons.collections.UnboundedFifoBuffer this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    7     0         this  Lorg/apache/commons/collections/UnboundedFifoBuffer;
            0    7     1  initialSize  I
    MethodParameters:
             Name  Flags
      initialSize  

  public int size();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // org.apache.commons.collections.UnboundedFifoBuffer this
         0: .line 95
            iconst_0
            istore 1 /* size */
        start local 1 // int size
         1: .line 97
            aload 0 /* this */
            getfield org.apache.commons.collections.UnboundedFifoBuffer.m_tail:I
            aload 0 /* this */
            getfield org.apache.commons.collections.UnboundedFifoBuffer.m_head:I
            if_icmpge 4
         2: .line 98
            aload 0 /* this */
            getfield org.apache.commons.collections.UnboundedFifoBuffer.m_buffer:[Ljava/lang/Object;
            arraylength
            aload 0 /* this */
            getfield org.apache.commons.collections.UnboundedFifoBuffer.m_head:I
            isub
            aload 0 /* this */
            getfield org.apache.commons.collections.UnboundedFifoBuffer.m_tail:I
            iadd
            istore 1 /* size */
         3: .line 99
            goto 5
         4: .line 100
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.commons.collections.UnboundedFifoBuffer.m_tail:I
            aload 0 /* this */
            getfield org.apache.commons.collections.UnboundedFifoBuffer.m_head:I
            isub
            istore 1 /* size */
         5: .line 103
      StackMap locals:
      StackMap stack:
            iload 1 /* size */
            ireturn
        end local 1 // int size
        end local 0 // org.apache.commons.collections.UnboundedFifoBuffer this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Lorg/apache/commons/collections/UnboundedFifoBuffer;
            1    6     1  size  I

  public boolean isEmpty();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.commons.collections.UnboundedFifoBuffer this
         0: .line 112
            aload 0 /* this */
            invokevirtual org.apache.commons.collections.UnboundedFifoBuffer.size:()I
            ifne 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 0 // org.apache.commons.collections.UnboundedFifoBuffer this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/commons/collections/UnboundedFifoBuffer;

  public boolean add(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=5, args_size=2
        start local 0 // org.apache.commons.collections.UnboundedFifoBuffer this
        start local 1 // java.lang.Object obj
         0: .line 124
            aload 1 /* obj */
            ifnonnull 2
         1: .line 125
            new java.lang.NullPointerException
            dup
            ldc "Attempted to add null object to buffer"
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 128
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            invokevirtual org.apache.commons.collections.UnboundedFifoBuffer.size:()I
            iconst_1
            iadd
            aload 0 /* this */
            getfield org.apache.commons.collections.UnboundedFifoBuffer.m_buffer:[Ljava/lang/Object;
            arraylength
            if_icmplt 17
         3: .line 129
            aload 0 /* this */
            getfield org.apache.commons.collections.UnboundedFifoBuffer.m_buffer:[Ljava/lang/Object;
            arraylength
            iconst_1
            isub
            iconst_2
            imul
            iconst_1
            iadd
            anewarray java.lang.Object
            astore 2 /* tmp */
        start local 2 // java.lang.Object[] tmp
         4: .line 131
            iconst_0
            istore 3 /* j */
        start local 3 // int j
         5: .line 132
            aload 0 /* this */
            getfield org.apache.commons.collections.UnboundedFifoBuffer.m_head:I
            istore 4 /* i */
        start local 4 // int i
         6: goto 13
         7: .line 133
      StackMap locals: java.lang.Object[] int int
      StackMap stack:
            aload 2 /* tmp */
            iload 3 /* j */
            aload 0 /* this */
            getfield org.apache.commons.collections.UnboundedFifoBuffer.m_buffer:[Ljava/lang/Object;
            iload 4 /* i */
            aaload
            aastore
         8: .line 134
            aload 0 /* this */
            getfield org.apache.commons.collections.UnboundedFifoBuffer.m_buffer:[Ljava/lang/Object;
            iload 4 /* i */
            aconst_null
            aastore
         9: .line 136
            iinc 3 /* j */ 1
        10: .line 137
            iinc 4 /* i */ 1
        11: .line 138
            iload 4 /* i */
            aload 0 /* this */
            getfield org.apache.commons.collections.UnboundedFifoBuffer.m_buffer:[Ljava/lang/Object;
            arraylength
            if_icmpne 13
        12: .line 139
            iconst_0
            istore 4 /* i */
        13: .line 132
      StackMap locals:
      StackMap stack:
            iload 4 /* i */
            aload 0 /* this */
            getfield org.apache.commons.collections.UnboundedFifoBuffer.m_tail:I
            if_icmpne 7
        end local 4 // int i
        14: .line 143
            aload 0 /* this */
            aload 2 /* tmp */
            putfield org.apache.commons.collections.UnboundedFifoBuffer.m_buffer:[Ljava/lang/Object;
        15: .line 144
            aload 0 /* this */
            iconst_0
            putfield org.apache.commons.collections.UnboundedFifoBuffer.m_head:I
        16: .line 145
            aload 0 /* this */
            iload 3 /* j */
            putfield org.apache.commons.collections.UnboundedFifoBuffer.m_tail:I
        end local 3 // int j
        end local 2 // java.lang.Object[] tmp
        17: .line 148
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.commons.collections.UnboundedFifoBuffer.m_buffer:[Ljava/lang/Object;
            aload 0 /* this */
            getfield org.apache.commons.collections.UnboundedFifoBuffer.m_tail:I
            aload 1 /* obj */
            aastore
        18: .line 149
            aload 0 /* this */
            dup
            getfield org.apache.commons.collections.UnboundedFifoBuffer.m_tail:I
            iconst_1
            iadd
            putfield org.apache.commons.collections.UnboundedFifoBuffer.m_tail:I
        19: .line 150
            aload 0 /* this */
            getfield org.apache.commons.collections.UnboundedFifoBuffer.m_tail:I
            aload 0 /* this */
            getfield org.apache.commons.collections.UnboundedFifoBuffer.m_buffer:[Ljava/lang/Object;
            arraylength
            if_icmplt 21
        20: .line 151
            aload 0 /* this */
            iconst_0
            putfield org.apache.commons.collections.UnboundedFifoBuffer.m_tail:I
        21: .line 153
      StackMap locals:
      StackMap stack:
            iconst_1
            ireturn
        end local 1 // java.lang.Object obj
        end local 0 // org.apache.commons.collections.UnboundedFifoBuffer this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   22     0  this  Lorg/apache/commons/collections/UnboundedFifoBuffer;
            0   22     1   obj  Ljava/lang/Object;
            4   17     2   tmp  [Ljava/lang/Object;
            5   17     3     j  I
            6   14     4     i  I
    MethodParameters:
      Name  Flags
      obj   final

  public java.lang.Object get();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.apache.commons.collections.UnboundedFifoBuffer this
         0: .line 163
            aload 0 /* this */
            invokevirtual org.apache.commons.collections.UnboundedFifoBuffer.isEmpty:()Z
            ifeq 2
         1: .line 164
            new org.apache.commons.collections.BufferUnderflowException
            dup
            ldc "The buffer is already empty"
            invokespecial org.apache.commons.collections.BufferUnderflowException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 167
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.commons.collections.UnboundedFifoBuffer.m_buffer:[Ljava/lang/Object;
            aload 0 /* this */
            getfield org.apache.commons.collections.UnboundedFifoBuffer.m_head:I
            aaload
            areturn
        end local 0 // org.apache.commons.collections.UnboundedFifoBuffer this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/apache/commons/collections/UnboundedFifoBuffer;

  public java.lang.Object remove();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=1
        start local 0 // org.apache.commons.collections.UnboundedFifoBuffer this
         0: .line 177
            aload 0 /* this */
            invokevirtual org.apache.commons.collections.UnboundedFifoBuffer.isEmpty:()Z
            ifeq 2
         1: .line 178
            new org.apache.commons.collections.BufferUnderflowException
            dup
            ldc "The buffer is already empty"
            invokespecial org.apache.commons.collections.BufferUnderflowException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 181
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.commons.collections.UnboundedFifoBuffer.m_buffer:[Ljava/lang/Object;
            aload 0 /* this */
            getfield org.apache.commons.collections.UnboundedFifoBuffer.m_head:I
            aaload
            astore 1 /* element */
        start local 1 // java.lang.Object element
         3: .line 183
            aload 1 /* element */
            ifnull 8
         4: .line 184
            aload 0 /* this */
            getfield org.apache.commons.collections.UnboundedFifoBuffer.m_buffer:[Ljava/lang/Object;
            aload 0 /* this */
            getfield org.apache.commons.collections.UnboundedFifoBuffer.m_head:I
            aconst_null
            aastore
         5: .line 186
            aload 0 /* this */
            dup
            getfield org.apache.commons.collections.UnboundedFifoBuffer.m_head:I
            iconst_1
            iadd
            putfield org.apache.commons.collections.UnboundedFifoBuffer.m_head:I
         6: .line 187
            aload 0 /* this */
            getfield org.apache.commons.collections.UnboundedFifoBuffer.m_head:I
            aload 0 /* this */
            getfield org.apache.commons.collections.UnboundedFifoBuffer.m_buffer:[Ljava/lang/Object;
            arraylength
            if_icmplt 8
         7: .line 188
            aload 0 /* this */
            iconst_0
            putfield org.apache.commons.collections.UnboundedFifoBuffer.m_head:I
         8: .line 192
      StackMap locals: java.lang.Object
      StackMap stack:
            aload 1 /* element */
            areturn
        end local 1 // java.lang.Object element
        end local 0 // org.apache.commons.collections.UnboundedFifoBuffer this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    9     0     this  Lorg/apache/commons/collections/UnboundedFifoBuffer;
            3    9     1  element  Ljava/lang/Object;

  private int increment(int);
    descriptor: (I)I
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.commons.collections.UnboundedFifoBuffer this
        start local 1 // int index
         0: .line 202
            iinc 1 /* index */ 1
         1: .line 203
            iload 1 /* index */
            aload 0 /* this */
            getfield org.apache.commons.collections.UnboundedFifoBuffer.m_buffer:[Ljava/lang/Object;
            arraylength
            if_icmplt 3
         2: .line 204
            iconst_0
            istore 1 /* index */
         3: .line 206
      StackMap locals:
      StackMap stack:
            iload 1 /* index */
            ireturn
        end local 1 // int index
        end local 0 // org.apache.commons.collections.UnboundedFifoBuffer this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    4     0   this  Lorg/apache/commons/collections/UnboundedFifoBuffer;
            0    4     1  index  I
    MethodParameters:
       Name  Flags
      index  

  private int decrement(int);
    descriptor: (I)I
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.commons.collections.UnboundedFifoBuffer this
        start local 1 // int index
         0: .line 216
            iinc 1 /* index */ -1
         1: .line 217
            iload 1 /* index */
            ifge 3
         2: .line 218
            aload 0 /* this */
            getfield org.apache.commons.collections.UnboundedFifoBuffer.m_buffer:[Ljava/lang/Object;
            arraylength
            iconst_1
            isub
            istore 1 /* index */
         3: .line 220
      StackMap locals:
      StackMap stack:
            iload 1 /* index */
            ireturn
        end local 1 // int index
        end local 0 // org.apache.commons.collections.UnboundedFifoBuffer this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    4     0   this  Lorg/apache/commons/collections/UnboundedFifoBuffer;
            0    4     1  index  I
    MethodParameters:
       Name  Flags
      index  

  public java.util.Iterator iterator();
    descriptor: ()Ljava/util/Iterator;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.apache.commons.collections.UnboundedFifoBuffer this
         0: .line 229
            new org.apache.commons.collections.UnboundedFifoBuffer$1
            dup
            aload 0 /* this */
            invokespecial org.apache.commons.collections.UnboundedFifoBuffer$1.<init>:(Lorg/apache/commons/collections/UnboundedFifoBuffer;)V
            areturn
        end local 0 // org.apache.commons.collections.UnboundedFifoBuffer this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/commons/collections/UnboundedFifoBuffer;
}
SourceFile: "UnboundedFifoBuffer.java"
NestMembers:
  org.apache.commons.collections.UnboundedFifoBuffer$1
InnerClasses:
  org.apache.commons.collections.UnboundedFifoBuffer$1