SPR-4359 Added support for a 'task-scheduler' element.

org.springframework.context/src/main/java/org/springframework/scheduling/config/SchedulingNamespaceHandler.java

@@ -28,6 +28,7 @@ public class SchedulingNamespaceHandler extends NamespaceHandlerSupport {
 
 	public void init() {
 		this.registerBeanDefinitionParser("scheduled-tasks", new ScheduledTasksBeanDefinitionParser());
+		this.registerBeanDefinitionParser("task-scheduler", new TaskSchedulerBeanDefinitionParser());
 	}
 
 }

org.springframework.context/src/main/java/org/springframework/scheduling/config/TaskSchedulerBeanDefinitionParser.java

@@ -0,0 +1,46 @@
+/*
+ * Copyright 2002-2009 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.scheduling.config;
+
+import org.w3c.dom.Element;
+
+import org.springframework.beans.factory.support.BeanDefinitionBuilder;
+import org.springframework.beans.factory.xml.AbstractSingleBeanDefinitionParser;
+import org.springframework.util.StringUtils;
+
+/**
+ * Parser for the 'task-scheduler' element of the scheduling namespace.
+ * 
+ * @author Mark Fisher
+ * @since 3.0
+ */
+public class TaskSchedulerBeanDefinitionParser extends AbstractSingleBeanDefinitionParser {
+
+	@Override
+	protected String getBeanClassName(Element element) {
+		return "org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler";
+	}
+
+	@Override
+	protected void doParse(Element element, BeanDefinitionBuilder builder) {
+		String size = element.getAttribute("size");
+		if (StringUtils.hasText(size)) {
+			builder.addPropertyValue("poolSize", size);
+		}
+	}
+
+}

org.springframework.context/src/main/resources/org/springframework/scheduling/config/spring-scheduling-3.0.xsd

@@ -17,6 +17,31 @@
 	<xsd:import namespace="http://www.springframework.org/schema/beans"/>
 	<xsd:import namespace="http://www.springframework.org/schema/tool"/>
 
+	<xsd:element name="task-scheduler">
+		<xsd:annotation>
+			<xsd:documentation><![CDATA[
+	Defines a ThreadPoolTaskScheduler instance with configurable pool size.
+			]]></xsd:documentation>
+		</xsd:annotation>
+		<xsd:complexType>
+			<xsd:attribute name="id" type="xsd:string" use="required">
+				<xsd:annotation>
+					<xsd:documentation><![CDATA[
+	The bean name for the generated ThreadPoolTaskScheduler instance.
+	It will also be used as the default thread name prefix.
+					]]></xsd:documentation>
+				</xsd:annotation>
+			</xsd:attribute>
+			<xsd:attribute name="size" type="xsd:string" use="optional">
+				<xsd:annotation>
+					<xsd:documentation><![CDATA[
+	The size of the ScheduledExecutorService's thread pool. The default is 1.
+					]]></xsd:documentation>
+				</xsd:annotation>
+			</xsd:attribute>
+		</xsd:complexType>
+	</xsd:element>
+
 	<xsd:element name="scheduled-tasks">
 		<xsd:annotation>
 			<xsd:documentation><![CDATA[