1 files changed, 46 insertions, 0 deletions
diff --git a/src/core/lombok/Synchronized.java b/src/core/lombok/Synchronized.java
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+/*
+ * Copyright © 2009 Reinier Zwitserloot and Roel Spilker.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package lombok;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Almost exactly like putting the 'synchronized' keyword on a method, except will synchronize on a private internal
+ * Object, so that other code not under your control doesn't meddle with your thread management by locking on
+ * your own instance.
+ * <p>
+ * For non-static methods, a field named {@code $lock} is used, and for static methods,
+ * {@code $LOCK} is used. These will be generated if needed and if they aren't already present. The contents
+ * of the fields will be serializable.
+ */
+@Target(ElementType.METHOD)
+@Retention(RetentionPolicy.SOURCE)
+public @interface Synchronized {
+	/**
+	 * Optional: specify the name of a different field to lock on. It is a compile time error if this field
+	 * doesn't already exist (the fields are automatically generated only if you don't specify a specific name.
+	 */
+	String value() default "";
+}