feat(jdk8): move files to new folder to avoid resources compiled.

jdkSrc/jdk8/sun/java2d/marlin/stats/Histogram.java

@@ -0,0 +1,102 @@
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package sun.java2d.marlin.stats;
+
+import java.util.Arrays;
+
+/**
+ * Generic histogram based on long statistics
+ */
+public final class Histogram extends StatLong {
+
+    static final int BUCKET = 2;
+    static final int MAX = 20;
+    static final int LAST = MAX - 1;
+    static final int[] STEPS = new int[MAX];
+
+    static {
+            STEPS[0] = 0;
+            STEPS[1] = 1;
+
+            for (int i = 2; i < MAX; i++) {
+                STEPS[i] = STEPS[i - 1] * BUCKET;
+            }
+//            System.out.println("Histogram.STEPS = " + Arrays.toString(STEPS));
+    }
+
+    static int bucket(int val) {
+        for (int i = 1; i < MAX; i++) {
+            if (val < STEPS[i]) {
+                return i - 1;
+            }
+        }
+        return LAST;
+    }
+
+    private final StatLong[] stats = new StatLong[MAX];
+
+    public Histogram(final String name) {
+        super(name);
+        for (int i = 0; i < MAX; i++) {
+            stats[i] = new StatLong(String.format("%5s .. %5s", STEPS[i],
+                                    ((i + 1 < MAX) ? STEPS[i + 1] : "~")));
+        }
+    }
+
+    @Override
+    public void reset() {
+        super.reset();
+        for (int i = 0; i < MAX; i++) {
+            stats[i].reset();
+        }
+    }
+
+    @Override
+    public void add(int val) {
+        super.add(val);
+        stats[bucket(val)].add(val);
+    }
+
+    @Override
+    public void add(long val) {
+        add((int) val);
+    }
+
+    @Override
+    public String toString() {
+        final StringBuilder sb = new StringBuilder(2048);
+        super.toString(sb).append(" { ");
+
+        for (int i = 0; i < MAX; i++) {
+            if (stats[i].count != 0l) {
+                sb.append("\n        ").append(stats[i].toString());
+            }
+        }
+
+        return sb.append(" }").toString();
+    }
+}
+