class DelegateOnGetter { private final java.util.concurrent.atomic.AtomicReference bar = new java.util.concurrent.atomic.AtomicReference(); private interface Bar { void setList(java.util.ArrayList list); int getInt(); } @java.lang.SuppressWarnings("all") public Bar getBar() { java.lang.Object value = this.bar.get(); if (value == null) { synchronized (this.bar) { value = this.bar.get(); if (value == null) { final Bar actualValue = new Bar() { public void setList(java.util.ArrayList list) { } public int getInt() { return 42; } }; value = actualValue == null ? this.bar : actualValue; this.bar.set(value); } } } return (Bar) (value == this.bar ? null : value); } @java.lang.SuppressWarnings("all") public void setList(final java.util.ArrayList list) { this.getBar().setList(list); } @java.lang.SuppressWarnings("all") public int getInt() { return this.getBar().getInt(); } }