fix: Upgrade to wasmtime-java 0.19.0 (DVC 9128) (#97)

* upgrade to wasmtime 0.19.0

* update version compatibility

* delete legacy pom.xml

* drop example-cloud and example-local

README.md

@@ -4,7 +4,7 @@ Welcome to the DevCycle Java SDK, which interfaces with the [DevCycle Bucketing
 
 ## Requirements
 
-This version of the DevCycle SDK works with Java 8 and above.
+This version of the DevCycle SDK works with Java 11 and above.
 
 Using the Java SDK library requires [Maven](https://maven.apache.org/) or [Gradle](https://gradle.org/) >= 7.6+ to be installed.
 

benchmark/README.md

@@ -4,7 +4,7 @@ This tool is used to benchmark the DevCycle Java Server SDK and is built using t
 
 ## Requirements
 
-This tool works with Java 8 and above but will require a x86_64 JDK. 
+This tool works with Java 11 and above but will require a x86_64 JDK.
 
 Currently Supported Platforms are:
 

benchmark/pom.xml

@@ -32,7 +32,7 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <jmh.version>1.36</jmh.version>
-        <javac.target>1.8</javac.target>
+        <javac.target>11</javac.target>
         <java.server.sdk.version>2.0.0</java.server.sdk.version>
         <uberjar.name>java-server-sdk-benchmarks</uberjar.name>
     </properties>

build.gradle

@@ -108,7 +108,8 @@ repositories {
     mavenCentral()
 }
 
-sourceCompatibility = JavaVersion.VERSION_1_8
+sourceCompatibility = JavaVersion.VERSION_11
+targetCompatibility = JavaVersion.VERSION_11
 
 def wasmResourcePath = "$projectDir/src/main/resources"
 def wasmVersion = "1.7.0"
@@ -136,7 +137,7 @@ ext {
     swagger_annotations_version = "2.2.0"
     lombok_version = "1.18.24"
     okhttp_version = "4.9.3"
-    wasmtime_version = "0.17.0"
+    wasmtime_version = "0.19.0"
     junit_version = "4.13.2"
     mockito_core_version = "4.6.1"
     protobuf_version = "3.23.0"
@@ -194,4 +195,4 @@ task runCloudExample(type: JavaExec) {
     description = "Run the cloud bucketing example"
     classpath = sourceSets.examples.runtimeClasspath
     main = 'com.devcycle.examples.CloudExample'
-}
+}