com.h2database/h2/1.4.199 : org/h2/index/TreeCursor.class

TreeCursor
http://www.h2database.com: H2 Database Engine
MPL 2.0 or EPL 1.0
Thomas Mueller
public class org.h2.index.TreeCursor implements org.h2.index.Cursor
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.h2.index.TreeCursor
  super_class: java.lang.Object
{
  private final org.h2.index.TreeIndex tree;
    descriptor: Lorg/h2/index/TreeIndex;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private org.h2.index.TreeNode node;
    descriptor: Lorg/h2/index/TreeNode;
    flags: (0x0002) ACC_PRIVATE

  private boolean beforeFirst;
    descriptor: Z
    flags: (0x0002) ACC_PRIVATE

  private final org.h2.result.SearchRow first;
    descriptor: Lorg/h2/result/SearchRow;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final org.h2.result.SearchRow last;
    descriptor: Lorg/h2/result/SearchRow;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  void <init>(org.h2.index.TreeIndex, org.h2.index.TreeNode, org.h2.result.SearchRow, org.h2.result.SearchRow);
    descriptor: (Lorg/h2/index/TreeIndex;Lorg/h2/index/TreeNode;Lorg/h2/result/SearchRow;Lorg/h2/result/SearchRow;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=5, args_size=5
        start local 0 // org.h2.index.TreeCursor this
        start local 1 // org.h2.index.TreeIndex tree
        start local 2 // org.h2.index.TreeNode node
        start local 3 // org.h2.result.SearchRow first
        start local 4 // org.h2.result.SearchRow last
         0: .line 20
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 21
            aload 0 /* this */
            aload 1 /* tree */
            putfield org.h2.index.TreeCursor.tree:Lorg/h2/index/TreeIndex;
         2: .line 22
            aload 0 /* this */
            aload 2 /* node */
            putfield org.h2.index.TreeCursor.node:Lorg/h2/index/TreeNode;
         3: .line 23
            aload 0 /* this */
            aload 3 /* first */
            putfield org.h2.index.TreeCursor.first:Lorg/h2/result/SearchRow;
         4: .line 24
            aload 0 /* this */
            aload 4 /* last */
            putfield org.h2.index.TreeCursor.last:Lorg/h2/result/SearchRow;
         5: .line 25
            aload 0 /* this */
            iconst_1
            putfield org.h2.index.TreeCursor.beforeFirst:Z
         6: .line 26
            return
        end local 4 // org.h2.result.SearchRow last
        end local 3 // org.h2.result.SearchRow first
        end local 2 // org.h2.index.TreeNode node
        end local 1 // org.h2.index.TreeIndex tree
        end local 0 // org.h2.index.TreeCursor this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    7     0   this  Lorg/h2/index/TreeCursor;
            0    7     1   tree  Lorg/h2/index/TreeIndex;
            0    7     2   node  Lorg/h2/index/TreeNode;
            0    7     3  first  Lorg/h2/result/SearchRow;
            0    7     4   last  Lorg/h2/result/SearchRow;
    MethodParameters:
       Name  Flags
      tree   
      node   
      first  
      last   

  public org.h2.result.Row get();
    descriptor: ()Lorg/h2/result/Row;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.h2.index.TreeCursor this
         0: .line 30
            aload 0 /* this */
            getfield org.h2.index.TreeCursor.node:Lorg/h2/index/TreeNode;
            ifnonnull 1
            aconst_null
            goto 2
      StackMap locals:
      StackMap stack:
         1: aload 0 /* this */
            getfield org.h2.index.TreeCursor.node:Lorg/h2/index/TreeNode;
            getfield org.h2.index.TreeNode.row:Lorg/h2/result/Row;
      StackMap locals:
      StackMap stack: org.h2.result.Row
         2: areturn
        end local 0 // org.h2.index.TreeCursor this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/h2/index/TreeCursor;

  public org.h2.result.SearchRow getSearchRow();
    descriptor: ()Lorg/h2/result/SearchRow;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.h2.index.TreeCursor this
         0: .line 35
            aload 0 /* this */
            invokevirtual org.h2.index.TreeCursor.get:()Lorg/h2/result/Row;
            areturn
        end local 0 // org.h2.index.TreeCursor this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/h2/index/TreeCursor;

  public boolean next();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.h2.index.TreeCursor this
         0: .line 40
            aload 0 /* this */
            getfield org.h2.index.TreeCursor.beforeFirst:Z
            ifeq 7
         1: .line 41
            aload 0 /* this */
            iconst_0
            putfield org.h2.index.TreeCursor.beforeFirst:Z
         2: .line 42
            aload 0 /* this */
            getfield org.h2.index.TreeCursor.node:Lorg/h2/index/TreeNode;
            ifnonnull 4
         3: .line 43
            iconst_0
            ireturn
         4: .line 45
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.h2.index.TreeCursor.first:Lorg/h2/result/SearchRow;
            ifnull 8
            aload 0 /* this */
            getfield org.h2.index.TreeCursor.tree:Lorg/h2/index/TreeIndex;
            aload 0 /* this */
            getfield org.h2.index.TreeCursor.node:Lorg/h2/index/TreeNode;
            getfield org.h2.index.TreeNode.row:Lorg/h2/result/Row;
            aload 0 /* this */
            getfield org.h2.index.TreeCursor.first:Lorg/h2/result/SearchRow;
            invokevirtual org.h2.index.TreeIndex.compareRows:(Lorg/h2/result/SearchRow;Lorg/h2/result/SearchRow;)I
            ifge 8
         5: .line 46
            aload 0 /* this */
            aload 0 /* this */
            getfield org.h2.index.TreeCursor.node:Lorg/h2/index/TreeNode;
            invokestatic org.h2.index.TreeCursor.next:(Lorg/h2/index/TreeNode;)Lorg/h2/index/TreeNode;
            putfield org.h2.index.TreeCursor.node:Lorg/h2/index/TreeNode;
         6: .line 48
            goto 8
         7: .line 49
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            getfield org.h2.index.TreeCursor.node:Lorg/h2/index/TreeNode;
            invokestatic org.h2.index.TreeCursor.next:(Lorg/h2/index/TreeNode;)Lorg/h2/index/TreeNode;
            putfield org.h2.index.TreeCursor.node:Lorg/h2/index/TreeNode;
         8: .line 51
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.h2.index.TreeCursor.node:Lorg/h2/index/TreeNode;
            ifnull 11
            aload 0 /* this */
            getfield org.h2.index.TreeCursor.last:Lorg/h2/result/SearchRow;
            ifnull 11
         9: .line 52
            aload 0 /* this */
            getfield org.h2.index.TreeCursor.tree:Lorg/h2/index/TreeIndex;
            aload 0 /* this */
            getfield org.h2.index.TreeCursor.node:Lorg/h2/index/TreeNode;
            getfield org.h2.index.TreeNode.row:Lorg/h2/result/Row;
            aload 0 /* this */
            getfield org.h2.index.TreeCursor.last:Lorg/h2/result/SearchRow;
            invokevirtual org.h2.index.TreeIndex.compareRows:(Lorg/h2/result/SearchRow;Lorg/h2/result/SearchRow;)I
            ifle 11
        10: .line 53
            aload 0 /* this */
            aconst_null
            putfield org.h2.index.TreeCursor.node:Lorg/h2/index/TreeNode;
        11: .line 56
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.h2.index.TreeCursor.node:Lorg/h2/index/TreeNode;
            ifnull 12
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
        12: iconst_0
            ireturn
        end local 0 // org.h2.index.TreeCursor this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   13     0  this  Lorg/h2/index/TreeCursor;

  public boolean previous();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.h2.index.TreeCursor this
         0: .line 61
            aload 0 /* this */
            aload 0 /* this */
            getfield org.h2.index.TreeCursor.node:Lorg/h2/index/TreeNode;
            invokestatic org.h2.index.TreeCursor.previous:(Lorg/h2/index/TreeNode;)Lorg/h2/index/TreeNode;
            putfield org.h2.index.TreeCursor.node:Lorg/h2/index/TreeNode;
         1: .line 62
            aload 0 /* this */
            getfield org.h2.index.TreeCursor.node:Lorg/h2/index/TreeNode;
            ifnull 2
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         2: iconst_0
            ireturn
        end local 0 // org.h2.index.TreeCursor this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/h2/index/TreeCursor;

  private static org.h2.index.TreeNode next(org.h2.index.TreeNode);
    descriptor: (Lorg/h2/index/TreeNode;)Lorg/h2/index/TreeNode;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=2, locals=3, args_size=1
        start local 0 // org.h2.index.TreeNode x
         0: .line 72
            aload 0 /* x */
            ifnonnull 2
         1: .line 73
            aconst_null
            areturn
         2: .line 75
      StackMap locals:
      StackMap stack:
            aload 0 /* x */
            getfield org.h2.index.TreeNode.right:Lorg/h2/index/TreeNode;
            astore 1 /* r */
        start local 1 // org.h2.index.TreeNode r
         3: .line 76
            aload 1 /* r */
            ifnull 11
         4: .line 77
            aload 1 /* r */
            astore 0 /* x */
         5: .line 78
            aload 0 /* x */
            getfield org.h2.index.TreeNode.left:Lorg/h2/index/TreeNode;
            astore 2 /* l */
        start local 2 // org.h2.index.TreeNode l
         6: .line 79
            goto 9
         7: .line 80
      StackMap locals: org.h2.index.TreeNode org.h2.index.TreeNode
      StackMap stack:
            aload 2 /* l */
            astore 0 /* x */
         8: .line 81
            aload 0 /* x */
            getfield org.h2.index.TreeNode.left:Lorg/h2/index/TreeNode;
            astore 2 /* l */
         9: .line 79
      StackMap locals:
      StackMap stack:
            aload 2 /* l */
            ifnonnull 7
        10: .line 83
            aload 0 /* x */
            areturn
        end local 2 // org.h2.index.TreeNode l
        11: .line 85
      StackMap locals:
      StackMap stack:
            aload 0 /* x */
            astore 2 /* ch */
        start local 2 // org.h2.index.TreeNode ch
        12: .line 86
            aload 0 /* x */
            getfield org.h2.index.TreeNode.parent:Lorg/h2/index/TreeNode;
            astore 0 /* x */
        13: .line 87
            goto 16
        14: .line 88
      StackMap locals: org.h2.index.TreeNode
      StackMap stack:
            aload 0 /* x */
            astore 2 /* ch */
        15: .line 89
            aload 0 /* x */
            getfield org.h2.index.TreeNode.parent:Lorg/h2/index/TreeNode;
            astore 0 /* x */
        16: .line 87
      StackMap locals:
      StackMap stack:
            aload 0 /* x */
            ifnull 17
            aload 2 /* ch */
            aload 0 /* x */
            getfield org.h2.index.TreeNode.right:Lorg/h2/index/TreeNode;
            if_acmpeq 14
        17: .line 91
      StackMap locals:
      StackMap stack:
            aload 0 /* x */
            areturn
        end local 2 // org.h2.index.TreeNode ch
        end local 1 // org.h2.index.TreeNode r
        end local 0 // org.h2.index.TreeNode x
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   18     0     x  Lorg/h2/index/TreeNode;
            3   18     1     r  Lorg/h2/index/TreeNode;
            6   11     2     l  Lorg/h2/index/TreeNode;
           12   18     2    ch  Lorg/h2/index/TreeNode;
    MethodParameters:
      Name  Flags
      x     

  private static org.h2.index.TreeNode previous(org.h2.index.TreeNode);
    descriptor: (Lorg/h2/index/TreeNode;)Lorg/h2/index/TreeNode;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=2, locals=3, args_size=1
        start local 0 // org.h2.index.TreeNode x
         0: .line 102
            aload 0 /* x */
            ifnonnull 2
         1: .line 103
            aconst_null
            areturn
         2: .line 105
      StackMap locals:
      StackMap stack:
            aload 0 /* x */
            getfield org.h2.index.TreeNode.left:Lorg/h2/index/TreeNode;
            astore 1 /* l */
        start local 1 // org.h2.index.TreeNode l
         3: .line 106
            aload 1 /* l */
            ifnull 11
         4: .line 107
            aload 1 /* l */
            astore 0 /* x */
         5: .line 108
            aload 0 /* x */
            getfield org.h2.index.TreeNode.right:Lorg/h2/index/TreeNode;
            astore 2 /* r */
        start local 2 // org.h2.index.TreeNode r
         6: .line 109
            goto 9
         7: .line 110
      StackMap locals: org.h2.index.TreeNode org.h2.index.TreeNode
      StackMap stack:
            aload 2 /* r */
            astore 0 /* x */
         8: .line 111
            aload 0 /* x */
            getfield org.h2.index.TreeNode.right:Lorg/h2/index/TreeNode;
            astore 2 /* r */
         9: .line 109
      StackMap locals:
      StackMap stack:
            aload 2 /* r */
            ifnonnull 7
        10: .line 113
            aload 0 /* x */
            areturn
        end local 2 // org.h2.index.TreeNode r
        11: .line 115
      StackMap locals:
      StackMap stack:
            aload 0 /* x */
            astore 2 /* ch */
        start local 2 // org.h2.index.TreeNode ch
        12: .line 116
            aload 0 /* x */
            getfield org.h2.index.TreeNode.parent:Lorg/h2/index/TreeNode;
            astore 0 /* x */
        13: .line 117
            goto 16
        14: .line 118
      StackMap locals: org.h2.index.TreeNode
      StackMap stack:
            aload 0 /* x */
            astore 2 /* ch */
        15: .line 119
            aload 0 /* x */
            getfield org.h2.index.TreeNode.parent:Lorg/h2/index/TreeNode;
            astore 0 /* x */
        16: .line 117
      StackMap locals:
      StackMap stack:
            aload 0 /* x */
            ifnull 17
            aload 2 /* ch */
            aload 0 /* x */
            getfield org.h2.index.TreeNode.left:Lorg/h2/index/TreeNode;
            if_acmpeq 14
        17: .line 121
      StackMap locals:
      StackMap stack:
            aload 0 /* x */
            areturn
        end local 2 // org.h2.index.TreeNode ch
        end local 1 // org.h2.index.TreeNode l
        end local 0 // org.h2.index.TreeNode x
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   18     0     x  Lorg/h2/index/TreeNode;
            3   18     1     l  Lorg/h2/index/TreeNode;
            6   11     2     r  Lorg/h2/index/TreeNode;
           12   18     2    ch  Lorg/h2/index/TreeNode;
    MethodParameters:
      Name  Flags
      x     
}
SourceFile: "TreeCursor.java"
/

com.h2database/ h2/ 1.4.199/ org/h2/index/TreeCursor.class
