Add SQLTrigger annotation to java library

java-library/pom.xml

@@ -4,7 +4,7 @@
 
   <groupId>com.microsoft.azure.functions</groupId>
   <artifactId>azure-functions-java-library-sql</artifactId>
-  <version>0.1.1</version> <!-- Update the dependency version in samples-java/pom.xml and test-java/pom.xml if this version is updated. -->
+  <version>2.0.0-preview</version> <!-- Update the dependency version in samples-java/pom.xml and test-java/pom.xml if this version is updated. -->
   <packaging>jar</packaging>
 
   <parent>

java-library/src/main/java/com/microsoft/azure/functions/sql/annotation/SQLTrigger.java

@@ -0,0 +1,34 @@
+/**
+ * Copyright (c) Microsoft Corporation. All rights reserved.
+ * Licensed under the MIT License. See License.txt in the project root for
+ * license information.
+ */
+
+package com.microsoft.azure.functions.sql.annotation;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.ElementType;
+
+import com.microsoft.azure.functions.annotation.CustomBinding;
+
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.PARAMETER)
+@CustomBinding(direction = "in", name = "", type = "sqlTrigger")
+public @interface SQLTrigger {
+    /**
+     * The variable name used in function.json.
+    */
+    String name();
+
+    /**
+     * Name of the table to watch for changes.
+    */
+    String tableName() default "";
+
+    /**
+     * Setting name for SQL connection string.
+    */
+    String connectionStringSetting() default "";
+}