Tuning 56. Configuration Reference ActiveMQ Artemis Documentation 2 The User manual is an in depth manual on all aspects of Apache ActiveMQ Artemis Apache ActiveMQ Artemis User Manual ActiveMQ Artemis deeply nested entries, depending on the specified search depth—see the userSearchSubtree option). userSearchSubtree - specify the search depth for user entries, relative to the node specified by userBase the syntax of the search filter is (member:=uid=jdoe) . roleSearchSubtree - specify the search depth for role entries, relative to the node specified by roleBase . This option can take boolean values

Tuning 57. Configuration Reference ActiveMQ Artemis Documentation 2 The User manual is an in depth manual on all aspects of Apache ActiveMQ Artemis Apache ActiveMQ Artemis User Manual ActiveMQ Artemis deeply nested entries, depending on the specified search depth—see the userSearchSubtree option). userSearchSubtree - specify the search depth for user entries, relative to the node specified by userBase the syntax of the search filter is (member:=uid=jdoe) . roleSearchSubtree - specify the search depth for role entries, relative to the node specified by roleBase . This option can take boolean values

Tuning Configuration Reference 3 Apache ActiveMQ Artemis User Manual The User manual is an in depth manual on all aspects of Apache ActiveMQ Artemis Introduction 4 Legal Notice Licensed to the Apache deeply nested entries, depending on the specified search depth—see the userSearchSubtree option). userSearchSubtree - specify the search depth for user entries, relative to the node specified by userBase the syntax of the search filter is (member:=uid=jdoe) . roleSearchSubtree - specify the search depth for role entries, relative to the node specified by roleBase . This option can take boolean values

Tuning Configuration Reference 3 Apache ActiveMQ Artemis User Manual The User manual is an in depth manual on all aspects of Apache ActiveMQ Artemis Introduction 4 Legal Notice Licensed to the Apache deeply nested entries, depending on the specified search depth—see the userSearchSubtree option). userSearchSubtree - specify the search depth for user entries, relative to the node specified by userBase the syntax of the search filter is (member:=uid=jdoe) . roleSearchSubtree - specify the search depth for role entries, relative to the node specified by roleBase . This option can take boolean values

Tuning Configuration Reference 3 Apache ActiveMQ Artemis User Manual The User manual is an in depth manual on all aspects of Apache ActiveMQ Artemis Introduction 4 Legal Notice Licensed to the Apache deeply nested entries, depending on the specified search depth—see the userSearchSubtree option). userSearchSubtree - specify the search depth for user entries, relative to the node specified by userBase the syntax of the search filter is (member:=uid=jdoe) . roleSearchSubtree - specify the search depth for role entries, relative to the node specified by roleBase . This option can take boolean values

Tuning Configuration Reference 2 Apache ActiveMQ Artemis User Manual The User manual is an in depth manual on all aspects of Apache ActiveMQ Artemis Introduction 3 Legal Notice Licensed to the Apache deeply nested entries, depending on the specified search depth—see the userSearchSubtree option). userSearchSubtree - specify the search depth for user entries, relative to the node specified by userBase the syntax of the search filter is (member:=uid=jdoe) . roleSearchSubtree - specify the search depth for role entries, relative to the node specified by roleBase . This option can take boolean values

2 1.58 Configuration Reference 3 Apache ActiveMQ Artemis User Manual The User manual is an in depth manual on all aspects of Apache ActiveMQ Artemis Introduction 4 Legal Notice Licensed to the Apache deeply nested entries, depending on the specified search depth—see the userSearchSubtree option). userSearchSubtree - specify the search depth for user entries, relative to the node specified by userBase the syntax of the search filter is (member:=uid=jdoe) . roleSearchSubtree - specify the search depth for role entries, relative to the node specified by roleBase . This option can take boolean values

Tuning Configuration Reference 3 Apache ActiveMQ Artemis User Manual The User manual is an in depth manual on all aspects of Apache ActiveMQ Artemis Introduction 4 Legal Notice Licensed to the Apache deeply nested entries, depending on the specified search depth—see the userSearchSubtree option). userSearchSubtree - specify the search depth for user entries, relative to the node specified by userBase the syntax of the search filter is (member:=uid=jdoe) . roleSearchSubtree - specify the search depth for role entries, relative to the node specified by roleBase . This option can take boolean values

Degree」：结点的子结点数量。二叉树中，度的范围是 0, 1, 2 ； ‧「边 Edge」：连接两个结点的边，即结点指针； ‧ 二叉树「高度」：二叉树中根结点到最远叶结点走过边的数量； ‧ 结点「深度 Depth」：根结点到该结点走过边的数量； ‧ 结点「高度 Height」：最远叶结点到该结点走过边的数量； Figure 7‑2. 二叉树的常用术语 � 高度与深度的定义 值得注意，我们通常将「 空间复杂度：当为满二叉树时达到最差情况，遍历到最底层前，队列中最多同时存在 ?+1 2 个结点，使用 ?(?) 空间。 7.2.2. 前序、中序、后序遍历 相对地，前、中、后序遍历皆属于「深度优先遍历 Depth‑First Traversal」，其体现着一种“先走到尽头，再 回头继续”的回溯遍历方式。 如下图所示，左侧是深度优先遍历的的示意图，右上方是对应的递归实现代码。深度优先遍历就像是绕着整个 遍历操作。 类似地，图的遍历方式也分为两种，即「广度优先遍历 Breadth‑First Traversal」和「深度优先遍历 Depth‑First Travsersal」，也称「广度优先搜索 Breadth‑First Search」和「深度优先搜索 Depth‑First Search」，简称为 BFS 和 DFS 。 9.3.1. 广度优先遍历 广度优先遍历优是一种由近及远的遍历

Degree」：结点的子结点数量。二叉树中，度的范围是 0, 1, 2 ； ‧「边 Edge」：连接两个结点的边，即结点指针； ‧ 二叉树「高度」：二叉树中根结点到最远叶结点走过边的数量； ‧ 结点「深度 Depth」：根结点到该结点走过边的数量； ‧ 结点「高度 Height」：最远叶结点到该结点走过边的数量； Figure 7‑2. 二叉树的常用术语 � 高度与深度的定义 值得注意，我们通常将「 空间复杂度：当为满二叉树时达到最差情况，遍历到最底层前，队列中最多同时存在 ?+1 2 个结点，使用 ?(?) 空间。 7.2.2. 前序、中序、后序遍历 相对地，前、中、后序遍历皆属于「深度优先遍历 Depth‑First Traversal」，其体现着一种“先走到尽头，再 回头继续”的回溯遍历方式。 如下图所示，左侧是深度优先遍历的的示意图，右上方是对应的递归实现代码。深度优先遍历就像是绕着整个 遍历操作。 类似地，图的遍历方式也分为两种，即「广度优先遍历 Breadth‑First Traversal」和「深度优先遍历 Depth‑First Travsersal」，也称「广度优先搜索 Breadth‑First Search」和「深度优先搜索 Depth‑First Search」，简称为 BFS 和 DFS 。 9.3.1. 广度优先遍历 广度优先遍历优是一种由近及远的遍历