Added java6 project using retrolambda

build.gradle

@@ -5,36 +5,39 @@ buildscript {
 
 description = 'RxJava: Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.'
 
-apply plugin: 'java'
 apply plugin: 'nebula.rxjava-project'
 
-sourceCompatibility = JavaVersion.VERSION_1_6
-targetCompatibility = JavaVersion.VERSION_1_6
+subprojects {
+  apply plugin: 'java'
+  apply plugin: 'nebula.rxjava-project'
 
-dependencies {
+  sourceCompatibility = 1.8
+  targetCompatibility = 1.8
+
+  dependencies {
     compile 'org.reactivestreams:reactive-streams:1.0.0'
     testCompile 'junit:junit:4.12'
     testCompile 'org.mockito:mockito-core:1.10.19'
 
-    perfCompile 'org.openjdk.jmh:jmh-core:1.10.5'
-    perfCompile 'org.openjdk.jmh:jmh-generator-annprocess:1.10.5'
-    // perfCompile 'org.reactivex:rxjava:1.0.14'
-}
+    perfCompile 'org.openjdk.jmh:jmh-core:1.11.3'
+    perfCompile 'org.openjdk.jmh:jmh-generator-annprocess:1.11.3'
+  }
 
-javadoc {
+  javadoc {
     exclude "**/io/reactivex/internal/**"
-}
+  }
 
-// support for snapshot/final releases with the various branches RxJava uses
-nebulaRelease {
+  // support for snapshot/final releases with the various branches RxJava uses
+  nebulaRelease {
     addReleaseBranchPattern(/\d+\.\d+\.\d+/)
     addReleaseBranchPattern('HEAD')
-}
+  }
 
-if (project.hasProperty('release.useLastTag')) {
+  if (project.hasProperty('release.useLastTag')) {
     tasks.prepare.enabled = false
-}
+  }
 
-test{
-     maxHeapSize = "2g"
+  test{
+    maxHeapSize = "2g"
+  }
 }

rxjava-java6/build.gradle

@@ -0,0 +1,12 @@
+buildscript {
+    repositories { jcenter() }
+    dependencies { classpath 'me.tatarka:gradle-retrolambda:3.2.5' }
+}
+
+apply plugin: 'me.tatarka.retrolambda'
+
+sourceSets {
+    main { java.source project(':rxjava').sourceSets.main.java }
+    perf { java.source project(':rxjava').sourceSets.perf.java }
+    test { java.source project(':rxjava').sourceSets.test.java }
+}

rxjava/build.gradle

@@ -0,0 +1,20 @@
+buildscript {
+    repositories { jcenter() }
+    dependencies { classpath 'ru.vyarus:gradle-animalsniffer-plugin:1.0.0' }
+}
+
+apply plugin: 'ru.vyarus.animalsniffer'
+
+sourceSets {
+    java8
+}
+
+dependencies {
+    compile sourceSets.java8.output
+    signature 'org.codehaus.mojo.signature:java16-sun:1.10@signature'
+}
+
+animalsniffer {
+    toolVersion = '1.15'
+    ignoreFailures = false
+}

rxjava/src/java8/java/io/reactivex/functions/BiConsumer.java

@@ -0,0 +1,17 @@
+/**
+ * Copyright 2016 Netflix, Inc.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is
+ * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
+ * the License for the specific language governing permissions and limitations under the License.
+ */
+
+package io.reactivex.functions;
+
+public interface BiConsumer<T1, T2> extends java.util.function.BiConsumer<T1, T2> {
+}

rxjava/src/java8/java/io/reactivex/functions/BiFunction.java

@@ -0,0 +1,17 @@
+/**
+ * Copyright 2016 Netflix, Inc.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is
+ * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
+ * the License for the specific language governing permissions and limitations under the License.
+ */
+
+package io.reactivex.functions;
+
+public interface BiFunction<T1, T2, R> extends java.util.function.BiFunction<T1, T2, R> {
+}

rxjava/src/java8/java/io/reactivex/functions/BiPredicate.java

@@ -0,0 +1,17 @@
+/**
+ * Copyright 2016 Netflix, Inc.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is
+ * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
+ * the License for the specific language governing permissions and limitations under the License.
+ */
+
+package io.reactivex.functions;
+
+public interface BiPredicate<T1, T2> extends java.util.function.BiPredicate<T1, T2> {
+}

rxjava/src/java8/java/io/reactivex/functions/BooleanSupplier.java

@@ -0,0 +1,17 @@
+/**
+ * Copyright 2016 Netflix, Inc.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is
+ * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
+ * the License for the specific language governing permissions and limitations under the License.
+ */
+
+package io.reactivex.functions;
+
+public interface BooleanSupplier extends java.util.function.BooleanSupplier {
+}

rxjava/src/java8/java/io/reactivex/functions/Consumer.java

@@ -0,0 +1,17 @@
+/**
+ * Copyright 2016 Netflix, Inc.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is
+ * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
+ * the License for the specific language governing permissions and limitations under the License.
+ */
+
+package io.reactivex.functions;
+
+public interface Consumer<T> extends java.util.function.Consumer<T> {
+}

rxjava/src/java8/java/io/reactivex/functions/Function.java

@@ -0,0 +1,17 @@
+/**
+ * Copyright 2016 Netflix, Inc.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is
+ * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
+ * the License for the specific language governing permissions and limitations under the License.
+ */
+
+package io.reactivex.functions;
+
+public interface Function<T, R> extends java.util.function.Function<T, R> {
+}

rxjava/src/java8/java/io/reactivex/functions/Function3.java

@@ -0,0 +1,18 @@
+/**
+ * Copyright 2016 Netflix, Inc.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is
+ * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
+ * the License for the specific language governing permissions and limitations under the License.
+ */
+
+package io.reactivex.functions;
+
+public interface Function3<T1, T2, T3, R> {
+    R apply(T1 t1, T2 t2, T3 t3);
+}

rxjava/src/java8/java/io/reactivex/functions/Function4.java

@@ -0,0 +1,18 @@
+/**
+ * Copyright 2016 Netflix, Inc.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is
+ * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
+ * the License for the specific language governing permissions and limitations under the License.
+ */
+
+package io.reactivex.functions;
+
+public interface Function4<T1, T2, T3, T4, R> {
+    R apply(T1 t1, T2 t2, T3 t3, T4 t4);
+}

rxjava/src/java8/java/io/reactivex/functions/Function5.java

@@ -0,0 +1,18 @@
+/**
+ * Copyright 2016 Netflix, Inc.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is
+ * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
+ * the License for the specific language governing permissions and limitations under the License.
+ */
+
+package io.reactivex.functions;
+
+public interface Function5<T1, T2, T3, T4, T5, R> {
+    R apply(T1 t1, T2 t2, T3 t3, T4 t4, T5 t5);
+}

rxjava/src/java8/java/io/reactivex/functions/Function6.java

@@ -0,0 +1,18 @@
+/**
+ * Copyright 2016 Netflix, Inc.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is
+ * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
+ * the License for the specific language governing permissions and limitations under the License.
+ */
+
+package io.reactivex.functions;
+
+public interface Function6<T1, T2, T3, T4, T5, T6, R> {
+    R apply(T1 t1, T2 t2, T3 t3, T4 t4, T5 t5, T6 t6);
+}

rxjava/src/java8/java/io/reactivex/functions/Function7.java

@@ -0,0 +1,18 @@
+/**
+ * Copyright 2016 Netflix, Inc.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is
+ * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
+ * the License for the specific language governing permissions and limitations under the License.
+ */
+
+package io.reactivex.functions;
+
+public interface Function7<T1, T2, T3, T4, T5, T6, T7, R> {
+    R apply(T1 t1, T2 t2, T3 t3, T4 t4, T5 t5, T6 t6, T7 t7);
+}

rxjava/src/java8/java/io/reactivex/functions/Function8.java

@@ -0,0 +1,18 @@
+/**
+ * Copyright 2016 Netflix, Inc.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is
+ * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
+ * the License for the specific language governing permissions and limitations under the License.
+ */
+
+package io.reactivex.functions;
+
+public interface Function8<T1, T2, T3, T4, T5, T6, T7, T8, R> {
+    R apply(T1 t1, T2 t2, T3 t3, T4 t4, T5 t5, T6 t6, T7 t7, T8 t8);
+}

rxjava/src/java8/java/io/reactivex/functions/Function9.java

@@ -0,0 +1,18 @@
+/**
+ * Copyright 2016 Netflix, Inc.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is
+ * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
+ * the License for the specific language governing permissions and limitations under the License.
+ */
+
+package io.reactivex.functions;
+
+public interface Function9<T1, T2, T3, T4, T5, T6, T7, T8, T9, R> {
+    R apply(T1 t1, T2 t2, T3 t3, T4 t4, T5 t5, T6 t6, T7 t7, T8 t8, T9 t9);
+}

rxjava/src/java8/java/io/reactivex/functions/IntFunction.java

@@ -0,0 +1,16 @@
+/**
+ * Copyright 2016 Netflix, Inc.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is
+ * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
+ * the License for the specific language governing permissions and limitations under the License.
+ */
+package io.reactivex.functions;
+
+public interface IntFunction<T> extends java.util.function.IntFunction<T> {
+}

rxjava/src/java8/java/io/reactivex/functions/LongConsumer.java

@@ -0,0 +1,16 @@
+/**
+ * Copyright 2016 Netflix, Inc.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is
+ * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
+ * the License for the specific language governing permissions and limitations under the License.
+ */
+package io.reactivex.functions;
+
+public interface LongConsumer extends java.util.function.LongConsumer {
+}

rxjava/src/java8/java/io/reactivex/functions/Predicate.java

@@ -0,0 +1,17 @@
+/**
+ * Copyright 2016 Netflix, Inc.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is
+ * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
+ * the License for the specific language governing permissions and limitations under the License.
+ */
+
+package io.reactivex.functions;
+
+public interface Predicate<T> extends java.util.function.Predicate<T> {
+}