Add windows build to CI

Signed-off-by: rithin-pullela-aws <[email protected]>

.github/workflows/CI.yml

@@ -26,6 +26,7 @@ jobs:
         java: [21]
 
     name: Build and Test LTR Plugin on Linux
+    if: github.repository == 'opensearch-project/opensearch-learning-to-rank-base'
     runs-on: ubuntu-latest
     container:
       # using the same image which is used by opensearch-build team to build the OpenSearch Distribution
@@ -39,9 +40,10 @@ jobs:
         run: ${{ needs.Get-CI-Image-Tag.outputs.ci-image-start-command }}
 
       - name: Setup Java ${{ matrix.java }}
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v4
         with:
           java-version: ${{ matrix.java }}
+          distribution: 'temurin'
 
       - name: Checkout LTR Code
         uses: actions/checkout@v4
@@ -54,3 +56,25 @@ jobs:
           su `id -un 1000` -c 'whoami && java -version && 
                               ./gradlew -Dtests.security.manager=false clean test'
 
+
+  Build-ltr-windows:
+    strategy:
+      matrix:
+        java: [ 21 ]
+    name: Build and Test LTR Plugin on Windows
+    if: github.repository == 'opensearch-project/opensearch-learning-to-rank-base'
+    runs-on: windows-latest
+    steps:
+      - name: Setup Java ${{ matrix.java }}
+        uses: actions/setup-java@v4
+        with:
+          java-version: ${{ matrix.java }}
+          distribution: 'temurin'
+      - name: Checkout LTR Code
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.pull_request.head.sha }}
+      - name: Build and Run Tests
+        shell: bash
+        run: |
+          ./gradlew.bat build