From d6989f1e54104d09b8af6d22cf46ea4f6fc5f4dc Mon Sep 17 00:00:00 2001
From: Trygve Laugstøl <trygvis@inamo.no>
Date: Wed, 10 Sep 2014 00:12:30 +0200
Subject: o Initial import of postgresql LISTEN/NOTIFY code.

---
 .../java/io/trygvis/jz14/demo/ListenerMain.java    | 55 ++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 src/main/java/io/trygvis/jz14/demo/ListenerMain.java

(limited to 'src/main/java/io/trygvis/jz14/demo/ListenerMain.java')

diff --git a/src/main/java/io/trygvis/jz14/demo/ListenerMain.java b/src/main/java/io/trygvis/jz14/demo/ListenerMain.java
new file mode 100644
index 0000000..82f7c27
--- /dev/null
+++ b/src/main/java/io/trygvis/jz14/demo/ListenerMain.java
@@ -0,0 +1,55 @@
+package io.trygvis.jz14.demo;
+
+import io.trygvis.jz14.db.DbListener;
+import io.trygvis.jz14.db.DbListener.DbListenerConfig;
+import io.trygvis.jz14.db.NativeConnectionSupplier;
+import io.trygvis.jz14.db.NgConnectionSupplier;
+import org.slf4j.Logger;
+
+import static java.util.concurrent.TimeUnit.SECONDS;
+import static org.slf4j.LoggerFactory.getLogger;
+
+public class ListenerMain implements DbListener.NewItemCallback {
+    Logger log = getLogger(getClass());
+
+    public void main(boolean useNative) throws Exception {
+        DbListener listener;
+        if (useNative) {
+            Db db = new Db("listener");
+            listener = DbListener.nativeDbListener(
+                    new DbListenerConfigForListenerMain("mail_raw"),
+                    this, new NativeConnectionSupplier(db.dataSource())
+            );
+        } else {
+            Db db = new Db("listener", true);
+            listener = DbListener.ngDbListener(
+                    new DbListenerConfigForListenerMain("mail_raw"),
+                    this, new NgConnectionSupplier(db.dataSource())
+            );
+        }
+
+        Runtime.getRuntime().addShutdownHook(new Thread() {
+            @Override
+            public void run() {
+                listener.close();
+            }
+        });
+
+        while (true) {
+            Thread.sleep(Long.MAX_VALUE);
+        }
+    }
+
+    @Override
+    public void newItem(boolean wasNotified, Iterable<String> parameters) throws Exception {
+        log.info("ListenerMain.newItem: wasNotified={}, parameters={}", wasNotified, parameters);
+    }
+
+    private class DbListenerConfigForListenerMain extends DbListenerConfig {
+        public DbListenerConfigForListenerMain(String name) {
+            super(name);
+            listenerFailureSleepInterval = ms(5, SECONDS);
+            listenerConnectionLiveCheckInterval = ms(5, SECONDS);
+        }
+    }
+}
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