Adding JMCR-Stable version

[Benchmarks_CSolver.git] / JMCR-Stable / real-world application / MyDerby-10.3 / java / engine / org / apache / derby / impl / store / raw / data / PageCreationArgs.java

diff --git a/JMCR-Stable/real-world application/MyDerby-10.3/java/engine/org/apache/derby/impl/store/raw/data/PageCreationArgs.java b/JMCR-Stable/real-world application/MyDerby-10.3/java/engine/org/apache/derby/impl/store/raw/data/PageCreationArgs.java
new file mode 100644 (file)
index 0000000..b0448b8
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+++ b/JMCR-Stable/real-world application/MyDerby-10.3/java/engine/org/apache/derby/impl/store/raw/data/PageCreationArgs.java
@@ -0,0 +1,64 @@
+/*\r
+\r
+   Derby - Class org.apache.derby.impl.store.raw.data.PageCreationArgs\r
+\r
+   Licensed to the Apache Software Foundation (ASF) under one or more\r
+   contributor license agreements.  See the NOTICE file distributed with\r
+   this work for additional information regarding copyright ownership.\r
+   The ASF licenses this file to you under the Apache License, Version 2.0\r
+   (the "License"); you may not use this file except in compliance with\r
+   the License.  You may obtain a copy of the License at\r
+\r
+      http://www.apache.org/licenses/LICENSE-2.0\r
+\r
+   Unless required by applicable law or agreed to in writing, software\r
+   distributed under the License is distributed on an "AS IS" BASIS,\r
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
+   See the License for the specific language governing permissions and\r
+   limitations under the License.\r
+\r
+ */\r
+\r
+package org.apache.derby.impl.store.raw.data;\r
+\r
+/**\r
+ * This class holds information that is passed to {@code\r
+ * CachedPage.createPage()} and used when a page object (either a\r
+ * {@code StoredPage} or an {@code AllocPage}) is created.\r
+ */\r
+class PageCreationArgs {\r
+    /**\r
+     * Tells which type of page to create. Either\r
+     * {@code StoredPage.FORMAT_NUMBER} or {@code AllocPage.FORMAT_NUMBER}.\r
+     */\r
+    final int formatId;\r
+\r
+    /**\r
+     * Tells whether writes to this page should be synced. Should be\r
+     * {@code CachedPage.WRITE_SYNC} or {@code CachedPage.WRITE_NO_SYNC}, or\r
+     * 0 if the page is in a temporary container.\r
+     */\r
+    final int syncFlag;\r
+\r
+    /** The size of the page in bytes. */\r
+    final int pageSize;\r
+\r
+    /** % of page to keep free for updates. Not used for {@code AllocPage}. */\r
+    final int spareSpace;\r
+\r
+    /** Minimum space to reserve for record portion length of row. */\r
+    final int minimumRecordSize;\r
+\r
+    /** Size of the container information stored in the {@code AllocPage}. */\r
+    final int containerInfoSize;\r
+\r
+    PageCreationArgs(int formatId, int syncFlag, int pageSize, int spareSpace,\r
+                     int minimumRecordSize, int containerInfoSize) {\r
+        this.formatId = formatId;\r
+        this.syncFlag = syncFlag;\r
+        this.pageSize = pageSize;\r
+        this.spareSpace = spareSpace;\r
+        this.minimumRecordSize = minimumRecordSize;\r
+        this.containerInfoSize = containerInfoSize;\r
+    }\r
+}\r