Tests: set release to Java 8 for all compile tasks incl. compileTestJava.

Author: greenrobot-team

objectbox-java-api/build.gradle

@@ -2,7 +2,7 @@ apply plugin: 'java-library'
 
 // Note: use release flag instead of sourceCompatibility and targetCompatibility to ensure only JDK 8 API is used.
 // https://docs.gradle.org/current/userguide/building_java_projects.html#sec:java_cross_compilation
-compileJava {
+tasks.withType(JavaCompile) {
     options.release.set(8)
 }
 

objectbox-java/build.gradle

@@ -3,7 +3,7 @@ apply plugin: "com.github.spotbugs"
 
 // Note: use release flag instead of sourceCompatibility and targetCompatibility to ensure only JDK 8 API is used.
 // https://docs.gradle.org/current/userguide/building_java_projects.html#sec:java_cross_compilation
-compileJava {
+tasks.withType(JavaCompile) {
     options.release.set(8)
 }
 

objectbox-kotlin/build.gradle

@@ -7,7 +7,7 @@ apply plugin: 'org.jetbrains.dokka'
 
 // Note: use release flag instead of sourceCompatibility and targetCompatibility to ensure only JDK 8 API is used.
 // https://docs.gradle.org/current/userguide/building_java_projects.html#sec:java_cross_compilation
-compileJava {
+tasks.withType(JavaCompile) {
     options.release.set(8)
 }
 

objectbox-rxjava/build.gradle

@@ -2,7 +2,7 @@ apply plugin: 'java-library'
 
 // Note: use release flag instead of sourceCompatibility and targetCompatibility to ensure only JDK 8 API is used.
 // https://docs.gradle.org/current/userguide/building_java_projects.html#sec:java_cross_compilation
-compileJava {
+tasks.withType(JavaCompile) {
     options.release.set(8)
 }
 

objectbox-rxjava3/build.gradle

@@ -8,7 +8,7 @@ apply plugin: 'org.jetbrains.dokka'
 
 // Note: use release flag instead of sourceCompatibility and targetCompatibility to ensure only JDK 8 API is used.
 // https://docs.gradle.org/current/userguide/building_java_projects.html#sec:java_cross_compilation
-compileJava {
+tasks.withType(JavaCompile) {
     options.release.set(8)
 }
 

tests/objectbox-java-test/build.gradle

@@ -5,7 +5,7 @@ uploadArchives.enabled = false
 
 // Note: use release flag instead of sourceCompatibility and targetCompatibility to ensure only JDK 8 API is used.
 // https://docs.gradle.org/current/userguide/building_java_projects.html#sec:java_cross_compilation
-compileJava {
+tasks.withType(JavaCompile) {
     options.release.set(8)
 }
 

tests/test-proguard/build.gradle

@@ -4,7 +4,7 @@ uploadArchives.enabled = false
 
 // Note: use release flag instead of sourceCompatibility and targetCompatibility to ensure only JDK 8 API is used.
 // https://docs.gradle.org/current/userguide/building_java_projects.html#sec:java_cross_compilation
-compileJava {
+tasks.withType(JavaCompile) {
     options.release.set(8)
 }