SGF-323 - Add support for GemFire 8's DiskStore 'diskUsageCriticalPercentage' and 'diskUsageWarningPercentage' properties in the SDG XML namespace (XSD) and DiskStoreFactoryBean API.

src/main/java/org/springframework/data/gemfire/DiskStoreFactoryBean.java

@@ -55,6 +55,9 @@ public class DiskStoreFactoryBean implements BeanNameAware , FactoryBean<DiskSto
 	private Integer timeInterval;
 	private Integer writeBufferSize;
 
+	private Float diskUsageCriticalPercentage;
+	private Float diskUsageWarningPercentage;
+
 	private List<DiskDir> diskDirs;
 
 	private String name;
@@ -90,6 +93,12 @@ public class DiskStoreFactoryBean implements BeanNameAware , FactoryBean<DiskSto
 		if (compactionThreshold != null) {
 			diskStoreFactory.setCompactionThreshold(compactionThreshold);
 		}
+		if (diskUsageCriticalPercentage != null) {
+			diskStoreFactory.setDiskUsageCriticalPercentage(diskUsageCriticalPercentage);
+		}
+		if (diskUsageWarningPercentage != null) {
+			diskStoreFactory.setDiskUsageWarningPercentage(diskUsageWarningPercentage);
+		}
 		if (maxOplogSize != null) {
 			diskStoreFactory.setMaxOplogSize(maxOplogSize);
 		}
@@ -155,6 +164,14 @@ public class DiskStoreFactoryBean implements BeanNameAware , FactoryBean<DiskSto
 		this.diskDirs = diskDirs;
 	}
 
+	public void setDiskUsageCriticalPercentage(Float diskUsageCriticalPercentage) {
+		this.diskUsageCriticalPercentage = diskUsageCriticalPercentage;
+	}
+
+	public void setDiskUsageWarningPercentage(Float diskUsageWarningPercentage) {
+		this.diskUsageWarningPercentage = diskUsageWarningPercentage;
+	}
+
 	public void setMaxOplogSize(Integer maxOplogSize) {
 		this.maxOplogSize = maxOplogSize;
 	}

src/main/java/org/springframework/data/gemfire/config/DiskStoreParser.java

@@ -75,6 +75,8 @@ public class DiskStoreParser extends AbstractSingleBeanDefinitionParser {
 		ParsingUtils.setPropertyValue(element, builder, "allow-force-compaction");
 		ParsingUtils.setPropertyValue(element, builder, "auto-compact");
 		ParsingUtils.setPropertyValue(element, builder, "compaction-threshold");
+		ParsingUtils.setPropertyValue(element, builder, "disk-usage-critical-percentage");
+		ParsingUtils.setPropertyValue(element, builder, "disk-usage-warning-percentage");
 		ParsingUtils.setPropertyValue(element, builder, "max-oplog-size");
 		ParsingUtils.setPropertyValue(element, builder, "queue-size");
 		ParsingUtils.setPropertyValue(element, builder, "time-interval");

src/main/resources/org/springframework/data/gemfire/config/spring-gemfire-2.0.xsd

@@ -1789,7 +1789,28 @@ Sets the threshold at which an oplog will become compactable. Until it reaches t
 The threshold is a percentage in the range 0..100. When the amount of garbage in an oplog exceeds this percentage then when a
 compaction is done and this garbage will be cleaned up freeing up disk space. Garbage is created by entry destroys,
 entry updates, and region destroys.
-]]></xsd:documentation>
+				]]></xsd:documentation>
+			</xsd:annotation>
+		</xsd:attribute>
+		<xsd:attribute name="disk-usage-critical-percentage" type="xsd:string">
+			<xsd:annotation>
+				<xsd:documentation><![CDATA[
+Disk usage above this threshold generates an error message and shuts down the member's cache. For example,
+if the threshold is set to 99%, then falling under 10 GB of free disk space on a 1 TB drive generates the error
+and shuts down the cache.
+
+Set to "0" (zero) to disable. GemFire default is 99%.
+				]]></xsd:documentation>
+			</xsd:annotation>
+		</xsd:attribute>
+		<xsd:attribute name="disk-usage-warning-percentage" type="xsd:string">
+			<xsd:annotation>
+				<xsd:documentation><![CDATA[
+Disk usage above this threshold generates a warning message. For example, if the threshold is set to 90%,
+then on a 1 TB drive falling under 100 GB of free disk space generates the warning.
+
+Set to "0" (zero) to disable.  GemFire default is 90%.
+				]]></xsd:documentation>
 			</xsd:annotation>
 		</xsd:attribute>
 		<xsd:attribute name="max-oplog-size" type="xsd:string" default="1024">

src/test/java/org/springframework/data/gemfire/DiskStoreFactoryBeanTest.java

@@ -25,7 +25,6 @@ import org.junit.Test;
  * The DiskStoreFactoryBeanTest class is a test suite of test cases testing the contract and functionality of the
  * DiskStoreFactoryBean class.
  *
- *
  * @author John Blum
  * @see org.junit.Test
  * @see org.springframework.data.gemfire.DiskStoreFactoryBean

src/test/java/org/springframework/data/gemfire/config/DiskStoreNamespaceTest.java

@@ -0,0 +1,81 @@
+/*
+ * Copyright 2010-2013 the original author or authors.
+ *
+ * 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 org.springframework.data.gemfire.config;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
+import java.io.File;
+import java.util.Properties;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.data.gemfire.test.GemfireTestApplicationContextInitializer;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+import com.gemstone.gemfire.cache.DiskStore;
+
+/**
+ * The DiskStoreNamespaceTest class is a test suite of test cases testing the contract and functionality of using
+ * Spring Data GemFire's XML namespace to configure GemFire Disk Stores.
+ *
+ * @author John Blum
+ * @see org.junit.Test
+ * @see org.junit.runner.RunWith
+ * @see org.springframework.test.context.ContextConfiguration
+ * @see org.springframework.test.context.junit4.SpringJUnit4ClassRunner
+ * @since 2.0.0
+ */
+@RunWith(SpringJUnit4ClassRunner.class)
+@ContextConfiguration(locations = "diskstore-ns.xml", initializers = GemfireTestApplicationContextInitializer.class)
+@SuppressWarnings("unused")
+public class DiskStoreNamespaceTest {
+
+	@Autowired
+	@Qualifier("fullyConfiguredDiskStore")
+	private DiskStore diskStore;
+
+	@Autowired
+	@Qualifier("props")
+	private Properties props;
+
+	@Test
+	public void testDiskStoreConfiguration() {
+		assertNotNull("The 'fullyConfiguredDiskStore' was not properly configured and initialized", diskStore);
+		assertEquals("fullyConfiguredDiskStore", diskStore.getName());
+		assertEquals(Boolean.valueOf(props.getProperty("allowForceCompaction")), diskStore.getAllowForceCompaction());
+		assertEquals(Boolean.valueOf(props.getProperty("autoCompact")), diskStore.getAutoCompact());
+		assertEquals(Long.valueOf(props.getProperty("compactionThreshold")),
+			Long.valueOf(diskStore.getCompactionThreshold()));
+		assertEquals(Double.valueOf(props.getProperty("diskUsageCriticalPercentage")),
+			Double.valueOf(diskStore.getDiskUsageCriticalPercentage()));
+		assertEquals(Double.valueOf(props.getProperty("diskUsageWarningPercentage")),
+			Double.valueOf(diskStore.getDiskUsageWarningPercentage()));
+		assertEquals(Long.valueOf(props.getProperty("maxOplogSize")), Long.valueOf(diskStore.getMaxOplogSize()));
+		assertEquals(Long.valueOf(props.getProperty("queueSize")), Long.valueOf(diskStore.getQueueSize()));
+		assertEquals(Long.valueOf(props.getProperty("timeInterval")), Long.valueOf(diskStore.getTimeInterval()));
+		assertEquals(Long.valueOf(props.getProperty("writeBufferSize")), Long.valueOf(diskStore.getWriteBufferSize()));
+		assertNotNull(diskStore.getDiskDirs());
+		assertEquals(1, diskStore.getDiskDirs().length);
+		assertEquals(new File(props.getProperty("location")), diskStore.getDiskDirs()[0]);
+		assertEquals(Long.valueOf(props.getProperty("maxSize")), Long.valueOf(diskStore.getDiskDirSizes()[0]));
+	}
+
+}

src/test/resources/org/springframework/data/gemfire/config/diskstore-ns.xml

@@ -11,21 +11,45 @@
 		http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util.xsd
 ">
 
-    <gfe:cache/>
+	<util:properties id="gemfireProperties">
+		<prop key="name">DiskStoreNamespaceTest</prop>
+		<prop key="mcast-port">0</prop>
+		<prop key="log-level">warning</prop>
+	</util:properties>
+
+    <gfe:cache properties-ref="gemfireProperties"/>
 
     <util:properties id="props">
+        <prop key="allowForceCompaction">true</prop>
         <prop key="autoCompact">true</prop>
+        <prop key="compactionThreshold">70</prop>
+        <prop key="diskUsageCriticalPercentage">90</prop>
+        <prop key="diskUsageWarningPercentage">75</prop>
         <prop key="location">./build/tmp</prop>
-        <prop key="maxOpLogSize">1</prop>
+        <prop key="maxOplogSize">1</prop>
         <prop key="maxSize">10</prop>
         <prop key="queueSize">50</prop>
         <prop key="timeInterval">9999</prop>
+        <prop key="writeBufferSize">4096</prop>
         <prop key="ttl">300</prop>
     </util:properties>
 
     <context:property-placeholder properties-ref="props"/>
 
-    <gfe:disk-store id="diskStore1" auto-compact="${autoCompact}" max-oplog-size="${maxOpLogSize}"
+	<gfe:disk-store id="fullyConfiguredDiskStore"
+					allow-force-compaction="${allowForceCompaction}"
+					auto-compact="${autoCompact}"
+					compaction-threshold="${compactionThreshold}"
+					disk-usage-critical-percentage="${diskUsageCriticalPercentage}"
+					disk-usage-warning-percentage="${diskUsageWarningPercentage}"
+					max-oplog-size="${maxOplogSize}"
+					queue-size="${queueSize}"
+					time-interval="${timeInterval}"
+					write-buffer-size="${writeBufferSize}">
+		<gfe:disk-dir location="${location}" max-size="${maxSize}"/>
+	</gfe:disk-store>
+
+	<gfe:disk-store id="diskStore1" auto-compact="${autoCompact}" max-oplog-size="${maxOplogSize}"
 					queue-size="${queueSize}" time-interval="${timeInterval}">
         <gfe:disk-dir location="${location}" max-size="${maxSize}"/>
     </gfe:disk-store>