Consistently order executors in Engine.

library/src/main/java/com/bumptech/glide/GlideBuilder.java

@@ -27,7 +27,7 @@ public class GlideBuilder {
     private BitmapPool bitmapPool;
     private MemoryCache memoryCache;
     private DiskCache diskCache;
-    private ExecutorService resizeService;
+    private ExecutorService sourceService;
     private ExecutorService diskCacheService;
 
     public GlideBuilder(Context context) {
@@ -86,7 +86,7 @@ public class GlideBuilder {
      * @return This builder.
      */
     public GlideBuilder setResizeService(ExecutorService service) {
-        this.resizeService = service;
+        this.sourceService = service;
         return this;
     }
 
@@ -117,9 +117,9 @@ public class GlideBuilder {
     }
 
     Glide createGlide() {
-        if (resizeService == null) {
+        if (sourceService == null) {
             final int cores = Math.max(1, Runtime.getRuntime().availableProcessors());
-            resizeService = new FifoPriorityThreadPoolExecutor(cores);
+            sourceService = new FifoPriorityThreadPoolExecutor(cores);
         }
         if (diskCacheService == null) {
             diskCacheService = new FifoPriorityThreadPoolExecutor(1);
@@ -149,7 +149,7 @@ public class GlideBuilder {
         }
 
         if (engine == null) {
-            engine = new Engine(memoryCache, diskCache, resizeService, diskCacheService);
+            engine = new Engine(memoryCache, diskCache, diskCacheService, sourceService);
         }
 
         return new Glide(engine, memoryCache, bitmapPool, context);

library/src/main/java/com/bumptech/glide/load/engine/Engine.java

@@ -54,14 +54,14 @@ public class Engine implements EngineJobListener, MemoryCache.ResourceRemovedLis
         }
     }
 
-    public Engine(MemoryCache memoryCache, DiskCache diskCache, ExecutorService resizeService,
-            ExecutorService diskCacheService) {
-        this(memoryCache, diskCache, resizeService, diskCacheService, null, null, null, null);
+    public Engine(MemoryCache memoryCache, DiskCache diskCache, ExecutorService diskCacheService,
+            ExecutorService sourceService) {
+        this(memoryCache, diskCache, diskCacheService, sourceService, null, null, null, null);
     }
 
     // Visible for testing.
-    Engine(MemoryCache cache, DiskCache diskCache, ExecutorService resizeService,
-            ExecutorService diskCacheService, Map<Key, EngineJob> jobs, EngineKeyFactory keyFactory,
+    Engine(MemoryCache cache, DiskCache diskCache, ExecutorService diskCacheService, ExecutorService sourceService,
+            Map<Key, EngineJob> jobs, EngineKeyFactory keyFactory,
             Map<Key, WeakReference<EngineResource<?>>> activeResources, EngineJobFactory engineJobFactory) {
         this.cache = cache;
         this.diskCache = diskCache;
@@ -82,7 +82,7 @@ public class Engine implements EngineJobListener, MemoryCache.ResourceRemovedLis
         this.jobs = jobs;
 
         if (engineJobFactory == null) {
-            engineJobFactory = new EngineJobFactory(diskCacheService, resizeService, this);
+            engineJobFactory = new EngineJobFactory(diskCacheService, sourceService, this);
         }
         this.engineJobFactory = engineJobFactory;
 
@@ -307,18 +307,18 @@ public class Engine implements EngineJobListener, MemoryCache.ResourceRemovedLis
     // Visible for testing.
     static class EngineJobFactory {
         private final ExecutorService diskCacheService;
-        private final ExecutorService resizeService;
+        private final ExecutorService sourceService;
         private final EngineJobListener listener;
 
-        public EngineJobFactory(ExecutorService diskCacheService, ExecutorService resizeService,
+        public EngineJobFactory(ExecutorService diskCacheService, ExecutorService sourceService,
                 EngineJobListener listener) {
             this.diskCacheService = diskCacheService;
-            this.resizeService = resizeService;
+            this.sourceService = sourceService;
             this.listener = listener;
         }
 
         public EngineJob build(Key key, boolean isMemoryCacheable) {
-            return new EngineJob(key, diskCacheService, resizeService, isMemoryCacheable, listener);
+            return new EngineJob(key, diskCacheService, sourceService, isMemoryCacheable, listener);
         }
     }
 }

library/src/main/java/com/bumptech/glide/load/engine/EngineJob.java

@@ -46,7 +46,6 @@ class EngineJob implements EngineRunnable.EngineRunnableManager {
 
     private volatile Future<?> future;
 
-
     public EngineJob(Key key, ExecutorService diskCacheService, ExecutorService sourceService, boolean isCacheable,
             EngineJobListener listener) {
         this(key, diskCacheService, sourceService, isCacheable, listener, DEFAULT_FACTORY);