Added class QBeanAsyncSupport

Signed-off-by: Bojan Momcilov <[email protected]>

jpos/src/main/java/org/jpos/q2/QBeanAsyncSupport.java

@@ -0,0 +1,71 @@
+/*
+ * jPOS Project [http://jpos.org]
+ * Copyright (C) 2000-2021 jPOS Software SRL
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.jpos.q2;
+
+import org.jpos.core.Configuration;
+import org.jpos.core.ConfigurationException;
+
+import java.util.concurrent.ScheduledFuture;
+import java.util.concurrent.TimeUnit;
+
+public abstract class QBeanAsyncSupport extends QBeanSupport {
+
+    private long startMaxWait;
+    private long stopMaxWait;
+
+    @Override
+    protected final void startService() throws Exception {
+        ScheduledFuture<?> future = getScheduledThreadPoolExecutor().schedule(() -> {
+            try {
+                doStart();
+            } catch (Exception e) {
+                setState(QBean.FAILED);
+                log.error(e);
+            }
+        }, 0, TimeUnit.MILLISECONDS);
+        if (startMaxWait > 0) {
+            future.get(startMaxWait, TimeUnit.MILLISECONDS);
+        }
+    }
+
+    protected abstract void doStart() throws Exception;
+
+    @Override
+    protected final void stopService() throws Exception {
+        ScheduledFuture<?> future = getScheduledThreadPoolExecutor().schedule(() -> {
+            try {
+                doStop();
+            } catch (Exception e) {
+                log.error(e);
+            }
+        }, 0, TimeUnit.MILLISECONDS);
+        if (stopMaxWait > 0) {
+            future.get(stopMaxWait, TimeUnit.MILLISECONDS);
+        }
+    }
+
+    protected abstract void doStop() throws Exception;
+
+    @Override
+    public void setConfiguration(Configuration cfg) throws ConfigurationException {
+        super.setConfiguration(cfg);
+        startMaxWait = cfg.getLong("startMaxWait", 0L);
+        stopMaxWait = cfg.getLong("stopMaxWait", 0L);
+    }
+}