From b01578ef57eb40feee791f8b043d2041cc0d536b Mon Sep 17 00:00:00 2001
From: parkera <parkera>
Date: Tue, 16 Feb 2016 15:08:30 +0000
Subject: [PATCH] SSDM-3131 openBIS: Improve e-mail notification for admin

SVN: 35692
---
 ...dledTimestampTriggeringEventEvaluator.java | 53 +++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 common/source/java/ch/systemsx/cisd/common/logging/BundledTimestampTriggeringEventEvaluator.java

diff --git a/common/source/java/ch/systemsx/cisd/common/logging/BundledTimestampTriggeringEventEvaluator.java b/common/source/java/ch/systemsx/cisd/common/logging/BundledTimestampTriggeringEventEvaluator.java
new file mode 100644
index 00000000000..725aa05f52b
--- /dev/null
+++ b/common/source/java/ch/systemsx/cisd/common/logging/BundledTimestampTriggeringEventEvaluator.java
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2007 ETH Zuerich, CISD
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package ch.systemsx.cisd.common.logging;
+
+import java.util.Date;
+
+import org.apache.log4j.spi.LoggingEvent;
+import org.apache.log4j.spi.TriggeringEventEvaluator;
+
+/**
+ * A {@link BundledTimestampTriggeringEventEvaluator} that triggers every 10 minutes. Can be used, e.g. to make the
+ * {@link org.apache.log4j.net.SMTPAppender} send email also on non-error conditions.;
+ * 
+ * @author Althea Parker
+ */
+public class BundledTimestampTriggeringEventEvaluator implements TriggeringEventEvaluator
+{
+
+	private long timestamp;
+	
+	public static long timePeriod = 10 * 60000;
+
+    public BundledTimestampTriggeringEventEvaluator() { 
+    	timestamp = new Date().getTime();
+    } 
+	
+    @Override
+    public boolean isTriggeringEvent(LoggingEvent event) { 
+    	long current_time = new Date().getTime();
+    	if (current_time >= timestamp + timePeriod) { 
+    		timestamp = current_time; 
+    		return true; 
+    	} 
+    	else { 
+    		return false; 
+    	} 
+    } 
+	
+}
-- 
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