diff options
Diffstat (limited to 'usage_examples/GetterLazyExample_post.jpage')
| -rw-r--r-- | usage_examples/GetterLazyExample_post.jpage | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/usage_examples/GetterLazyExample_post.jpage b/usage_examples/GetterLazyExample_post.jpage index 9f4b1ba3..afed1748 100644 --- a/usage_examples/GetterLazyExample_post.jpage +++ b/usage_examples/GetterLazyExample_post.jpage @@ -1,18 +1,19 @@ public class GetterLazyExample { - private double[] $lombok$lazy1v; - private volatile boolean $lombok$lazy1i; - private final Object $lombok$lazyLock = new Object[0]; + private final java.util.concurrent.AtomicReference<java.lang.Object> cached = new java.util.concurrent.AtomicReference<java.lang.Object>(); public double[] getCached() { - if (!this.$lombok$lazy1i) { - synchronized (this.$lombok$lazyLock) { - if (!this.$lombok$lazy1i) { - this.$lombok$lazy1v = expensive(); - this.$lombok$lazy1i = true; + java.lang.Object value = this.cached.get(); + if (value == null) { + synchronized(value) { + value = this.cached.get(); + if (value == null) { + final double[] actualValue = expensive(); + value = actualValue == null ? this.cached : actualValue; + this.cached.set(value); } } } - return this.$lombok$lazy1v; + return (double[])(value == this.cached ? null : value); } private double[] expensive() { |