FINERACT-2181: Some tweaks in the gradle build to ensure correct task processing

fineract-core/build.gradle

@@ -21,23 +21,35 @@ description = 'Fineract Core'
 apply plugin: 'java'
 apply plugin: 'eclipse'
 
-compileJava.doLast {
-    def mainSS = sourceSets.main
-    def source = mainSS.java.classesDirectory.get()
+tasks.register('staticWeaveJpa', JavaExec) {
+    group = "build"
+    description = "Performs EclipseLink static weaving of entity classes"
+
+    dependsOn classes
+
+    def classesDir = sourceSets.main.java.classesDirectory.get()
     copy {
         from file("src/main/resources/jpa/core/persistence.xml")
-        into "${source}/META-INF/"
-    }
-    javaexec {
-        description = 'Performs EclipseLink static weaving of entity classes'
-        def target = source
-        main = 'org.eclipse.persistence.tools.weaving.jpa.StaticWeave'
-        args '-persistenceinfo', source, source, target
-        classpath sourceSets.main.runtimeClasspath
-    }
-    delete {
-        delete "${source}/META-INF/persistence.xml"
+        into "${classesDir}/META-INF/"
     }
+
+    mainClass.set('org.eclipse.persistence.tools.weaving.jpa.StaticWeave')
+    classpath = sourceSets.main.runtimeClasspath
+    args '-persistenceinfo', classesDir, classesDir, classesDir
+}
+
+staticWeaveJpa.doLast {
+    delete "${sourceSets.main.output.classesDirs.asPath}/META-INF/persistence.xml"
+}
+
+tasks.named('classes') {
+    finalizedBy staticWeaveJpa
+}
+
+tasks.named('processResources') {
+    from('src/main/resources')
+    into sourceSets.main.java.classesDirectory
+    outputs.upToDateWhen { false }
 }
 
 configurations {