package controllers;
import java.util.HashMap;
import play.cache.Cache;
import cn.bran.japid.template.RenderResult;
import cn.bran.play.CachedItemStatus;
import cn.bran.play.CachedRenderResult;
import cn.bran.play.JapidController;
/**
* ! can we implement a cache sharding in the Cache impl? how about multiple key in one batch? A join fetch across multiple servers?
*
*
* @author Bing Ran<bing_ran@hotmail.com>
*
*/
public class Caches extends JapidController {
private static final String CIS = "CachedItemStatus";
private static final String KEY = "thisisarelativelylongkey";
public static void __init(int total) {
long t = System.currentTimeMillis();
for (int i = 0; i < total; i++) {
String k = KEY + i;
// System.out.println(k);
Cache.safeAdd(k, k, "10min");
}
String x = total + " cache init took: " + (System.currentTimeMillis() - t) + "ms";
renderText(x);
// System.out.println(x);
}
public static void find(int k) {
// int total = 100000;
long t = System.currentTimeMillis();
// for (int i = 0; i < total; i++) {
// String k = KEY + i;
// Cache.add(k, k);
// }
Object o = "|";
for(int i = 1000; i-- > 0;) {
String key2 = KEY + (k + i);
// System.out.println(key2);
o = Cache.get(key2);
}
String x = o + " found. took: " + (System.currentTimeMillis() - t) + "ms";
renderText(x);
// System.out.println(x);
}
public static void f2(int k) {
// int total = 100000;
long t = System.currentTimeMillis();
// for (int i = 0; i < total; i++) {
// String k = KEY + i;
// Cache.add(k, k);
// }
String key2 = KEY + k;
System.out.println(key2);
Object o = Cache.get(key2);
String x = o + " found. took: " + (System.currentTimeMillis() - t) + "ms";
renderText(x);
// System.out.println(x);
}
public static void testCachedItemStatus() {
CachedItemStatus cis = new CachedItemStatus(-1);
Cache.safeAdd(CIS, cis, "10s");
CachedItemStatus o = (CachedItemStatus) Cache.get(CIS);
if(o.isExpired())
renderText("good to know..");
else
renderText("bad to know..");
}
public static void testCachedRenderResult() {
CachedItemStatus cis = new CachedItemStatus(0);
HashMap<String, String> headers = new HashMap<String, String>();
RenderResult rr = new RenderResult(headers, new StringBuilder(), 123);
CachedRenderResult crr = new CachedRenderResult(cis, rr);
Cache.safeAdd("crr", crr, "10s");
crr = (CachedRenderResult) Cache.get("crr");
if(crr.isExpired())
renderText("good to know..");
else
renderText("bad to know..");
}
public static void testStringBuilder() {
String str = "hello";
StringBuilder sb = new StringBuilder(str);
String key2 = "sb";
Cache.safeAdd(key2, sb, "10s");
sb = (StringBuilder) Cache.get(key2);
if (str.equals(sb.toString()))
renderText("StringBuilder works...");
else
renderText("StringBuilder does not works...");
}
public static void testRenderResult() {
HashMap<String, String> headers = null; //new HashMap<String, String>();
RenderResult rr = new RenderResult(headers, new StringBuilder(), 123);
// RenderResult rr = new RenderResult(headers, null, 123);
Cache.safeAdd("crr", rr, "10s");
rr = (RenderResult) Cache.get("crr");
if (rr != null)
renderText("good to know 2...");
else {
renderText("bad to know 2...");
}
}
public void testAction() {
renderJapid();
}
}