nashorn/samples/dynalink/array_stream.js
changeset 34549 412a690d4414
parent 34548 44779bfb4c13
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nashorn/samples/dynalink/array_stream.js	Wed Dec 09 16:56:34 2015 +0530
@@ -0,0 +1,54 @@
+# Usage: jjs -cp array_stream_linker.jar array_stream.js
+
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *   - Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *
+ *   - Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *
+ *   - Neither the name of Oracle nor the names of its
+ *     contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+// This script depends on array stream dynalink linker
+// to work as expected. Without that linker in jjs classpath,
+// this script will fail to run.
+
+// Object[] and then Stream
+var s = Java.to(["hello", "world"]).stream
+s.map(function(s) s.toUpperCase()).forEach(print)
+
+// IntStream
+var is = Java.to([3, 56, 4, 23], "int[]").stream
+print(is.map(function(x) x*x).sum())
+
+// DoubleStream
+var DoubleArray = Java.type("double[]")
+var arr = new DoubleArray(100)
+for (var i = 0; i < arr.length; i++)
+    arr[i] = Math.random()
+
+print(arr.stream.summaryStatistics())
+
+