1 files changed, 78 insertions, 0 deletions
diff --git a/sqlite-jdbc/src/main/java/SQLite/Vm.java b/sqlite-jdbc/src/main/java/SQLite/Vm.java
new file mode 100644
index 0000000..9856ed0
--- /dev/null
+++ b/sqlite-jdbc/src/main/java/SQLite/Vm.java
@@ -0,0 +1,78 @@
+package SQLite;
+
+/**
+ * Class to represent compiled SQLite VM.
+ */
+
+public class Vm {
+
+    /**
+     * Internal handle for the compiled SQLite VM.
+     */
+
+    private long handle = 0;
+
+    /**
+     * Internal last error code for compile()/step() methods.
+     */
+
+    protected int error_code = 0;
+
+    /**
+     * Perform one step on compiled SQLite VM.
+     * The result row is passed to the given callback interface.<BR><BR>
+     *
+     * Example:<BR>
+     * <PRE>
+     *   ...
+     *   try {
+     *     Vm vm = db.compile("select * from x; select * from y;");
+     *     while (vm.step(cb)) {
+     *       ...
+     *     }
+     *     while (vm.compile()) {
+     *       while (vm.step(cb)) {
+     *         ...
+     *       }
+     *     }
+     *   } catch (SQLite.Exception e) {
+     *   }
+     * </PRE>
+     *
+     * @param cb the object implementing the callback methods.
+     * @return true as long as more row data can be retrieved,
+     * false, otherwise.
+     */
+
+    public native boolean step(Callback cb) throws SQLite.Exception;
+
+    /**
+     * Compile the next SQL statement for the SQLite VM instance.
+     * @return true when SQL statement has been compiled, false
+     * on end of statement sequence.
+     */
+
+    public native boolean compile() throws SQLite.Exception;
+
+    /**
+     * Abort the compiled SQLite VM.
+     */
+
+    public native void stop() throws SQLite.Exception;
+
+    /**
+     * Destructor for object.
+     */
+
+    protected native void finalize();
+
+    /**
+     * Internal native initializer.
+     */
+
+    private static native void internal_init();
+
+    static {
+    internal_init();
+    }
+}