1 files changed, 92 insertions, 0 deletions
diff --git a/examples_java/src/db/SequenceExample.java b/examples_java/src/db/SequenceExample.java
new file mode 100644
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+++ b/examples_java/src/db/SequenceExample.java
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+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 1997-2009 Oracle.  All rights reserved.
+ *
+ * $Id$
+ */
+
+package db;
+
+import com.sleepycat.db.*;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.PrintStream;
+
+class SequenceExample {
+    private static final int EXIT_SUCCESS = 0;
+    private static final int EXIT_FAILURE = 1;
+
+    public SequenceExample() {
+    }
+
+    public static void usage() {
+        System.out.println("usage: java " +
+               "db.SequenceExample [-r] [database]\n");
+        System.exit(EXIT_FAILURE);
+    }
+
+    public static void main(String[] argv) {
+        boolean removeExistingDatabase = false;
+        String databaseName = "access.db";
+
+        for (int i = 0; i < argv.length; i++) {
+            if (argv[i].equals("-r"))
+                removeExistingDatabase = true;
+            else if (argv[i].equals("-?"))
+                usage();
+            else if (argv[i].startsWith("-"))
+                usage();
+            else {
+                if ((argv.length - i) != 1)
+                    usage();
+                databaseName = argv[i];
+                break;
+            }
+        }
+
+        try {
+            SequenceExample app = new SequenceExample();
+            app.run(removeExistingDatabase, databaseName);
+        } catch (DatabaseException dbe) {
+            System.err.println("SequenceExample: " + dbe.toString());
+            System.exit(EXIT_FAILURE);
+        } catch (FileNotFoundException fnfe) {
+            System.err.println("SequenceExample: " + fnfe.toString());
+            System.exit(EXIT_FAILURE);
+        }
+        System.exit(EXIT_SUCCESS);
+    }
+
+    public void run(boolean removeExistingDatabase, String databaseName)
+        throws DatabaseException, FileNotFoundException {
+
+        // Remove the previous database.
+        if (removeExistingDatabase)
+            new File(databaseName).delete();
+
+        // Create the database object.
+        // There is no environment for this simple example.
+        DatabaseConfig dbConfig = new DatabaseConfig();
+        dbConfig.setErrorStream(System.err);
+        dbConfig.setErrorPrefix("SequenceExample");
+        dbConfig.setType(DatabaseType.BTREE);
+        dbConfig.setAllowCreate(true);
+        Database table = new Database(databaseName, null, dbConfig);
+
+        SequenceConfig config = new SequenceConfig();
+        config.setAllowCreate(true);
+        DatabaseEntry key =
+            new DatabaseEntry("my_sequence".getBytes());
+        Sequence sequence = table.openSequence(null, key, config);
+
+        for (int i = 0; i < 10; i++) {
+            long seqnum = sequence.get(null, 1);
+            System.out.println("Got sequence number: " + seqnum);
+        }
+
+        sequence.close();
+        table.close();
+    }
+}