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35 lines
1.6 KiB
HTML
35 lines
1.6 KiB
HTML
<!--
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Copyright JS Foundation and other contributors, http://js.foundation
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<script type="text/x-red" data-help-name="batch">
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<p>根據各種規則創建消息序列。</p>
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<h3>詳細</h3>
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<p>有三種創建消息序列的模式：</p>
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<dl>
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<dt>訊息數</dt>
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<dd>將消息分組爲給定長度的序列。 <b>overlap</b>（重疊）選項指定在一個序列的末尾應重複多少消息。</dd>
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<dt>時間間隔</dt>
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<dd>對在指定時間間隔內到達的郵件進行分組。如果在該時間間隔內沒有消息到達，則該節點可以選擇發送空消息。</dd>
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<dt>串聯序列</dt>
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<dd>通過串聯輸入序列來創建消息序列。每條消息必須具有<code>msg.topic</code>屬性和標識其序列的<code>msg.parts</code>屬性。該節點配置有<code>topic</code>值列表，以標識所連接的順序序列。
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</dd>
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</dl>
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<h4>儲存訊息</h4>
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<p>該節點將在內部緩衝消息，以便跨序列工作。運行時設置<code>nodeMessageBufferMaxLength</code>可用于限制節點將緩存多少消息。</p>
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</script>
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