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-rw-r--r--auth/auth-cass/src/main/java/org/onap/aaf/auth/dao/Cached.java45
1 files changed, 24 insertions, 21 deletions
diff --git a/auth/auth-cass/src/main/java/org/onap/aaf/auth/dao/Cached.java b/auth/auth-cass/src/main/java/org/onap/aaf/auth/dao/Cached.java
index a31e7b5b..5605d653 100644
--- a/auth/auth-cass/src/main/java/org/onap/aaf/auth/dao/Cached.java
+++ b/auth/auth-cass/src/main/java/org/onap/aaf/auth/dao/Cached.java
@@ -3,6 +3,8 @@
* org.onap.aaf
* ===========================================================================
* Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
+ *
+ * Modification Copyright (c) 2019 IBM
* ===========================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -37,7 +39,6 @@ import org.onap.aaf.misc.env.Trans;
public class Cached<TRANS extends Trans, DATA extends Cacheable> extends Cache<TRANS,DATA> {
// Java does not allow creation of Arrays with Generics in them...
- // private Map<String,Dated> cache[];
protected final CIDAO<TRANS> info;
private static Timer infoTimer;
@@ -47,19 +48,8 @@ public class Cached<TRANS extends Trans, DATA extends Cacheable> extends Cache<T
protected final String name;
private final long expireIn;
-
- // Taken from String Hash, but coded, to ensure consistent across Java versions. Also covers negative case;
- public int cacheIdx(String key) {
- int h = 0;
- for (int i = 0; i < key.length(); i++) {
- h = 31*h + key.charAt(i);
- }
- if (h<0)h*=-1;
- return h%segSize;
- }
-
public Cached(CIDAO<TRANS> info, String name, int segSize, long expireIn) {
this.name =name;
this.segSize = segSize;
@@ -71,6 +61,18 @@ public class Cached<TRANS extends Trans, DATA extends Cacheable> extends Cache<T
cache[i]=obtain(name+i);
}
}
+
+ // Taken from String Hash, but coded, to ensure consistent across Java versions. Also covers negative case;
+ public int cacheIdx(String key) {
+ int h = 0;
+ for (int i = 0; i < key.length(); i++) {
+ h = 31*h + key.charAt(i);
+ }
+ if (h<0) {
+ h*=-1;
+ }
+ return h%segSize;
+ }
public void add(String key, List<DATA> data) {
@SuppressWarnings("unchecked")
@@ -83,14 +85,14 @@ public class Cached<TRANS extends Trans, DATA extends Cacheable> extends Cache<T
int cacheIdx = cacheIdx(key);
@SuppressWarnings("unchecked")
Map<String,Dated> map = ((Map<String,Dated>)cache[cacheIdx]);
-// if (map.remove(key)!=null) // Not seeming to remove all the time
if (map!=null)map.clear();
-// System.err.println("Remove " + name + " " + key);
return cacheIdx;
}
public Result<Void> invalidate(int segment) {
- if (segment<0 || segment>=cache.length) return Result.err(Status.ERR_BadData,"Cache Segment %s is out of range",Integer.toString(segment));
+ if (segment<0 || segment>=cache.length) {
+ return Result.err(Status.ERR_BadData,"Cache Segment %s is out of range",Integer.toString(segment));
+ }
@SuppressWarnings("unchecked")
Map<String,Dated> map = ((Map<String,Dated>)cache[segment]);
if (map!=null) {
@@ -99,6 +101,7 @@ public class Cached<TRANS extends Trans, DATA extends Cacheable> extends Cache<T
return Result.ok();
}
+ @FunctionalInterface
public interface Getter<D> {
public abstract Result<List<D>> get();
};
@@ -125,8 +128,6 @@ public class Cached<TRANS extends Trans, DATA extends Cacheable> extends Cache<T
rld = getter.get();
if (rld.isOK()) { // only store valid lists
map.put(key, new Dated(rld.value,expireIn)); // successful item found gets put in cache
-// } else if (rld.status == Result.ERR_Backend){
-// map.remove(key);
}
}
return rld;
@@ -162,8 +163,8 @@ public class Cached<TRANS extends Trans, DATA extends Cacheable> extends Cache<T
}
}
- private final static class Refresh extends TimerTask {
- private static final int maxRefresh = 2*60*10000; // 20 mins
+ private static final class Refresh extends TimerTask {
+ private static final int MAXREFRESH = 2*60*10000; // 20 mins
private AuthzEnv env;
private CIDAO<AuthzTrans> cidao;
private int minRefresh;
@@ -173,7 +174,7 @@ public class Cached<TRANS extends Trans, DATA extends Cacheable> extends Cache<T
this.env = env;
this.cidao = cidao;
this.minRefresh = minRefresh;
- lastRun = System.currentTimeMillis()-maxRefresh-1000;
+ lastRun = System.currentTimeMillis()-MAXREFRESH-1000;
}
@Override
@@ -182,7 +183,9 @@ public class Cached<TRANS extends Trans, DATA extends Cacheable> extends Cache<T
long now = System.currentTimeMillis();
long interval = now-lastRun;
- if (interval < minRefresh || interval < Math.min(env.transRate(),maxRefresh)) return;
+ if (interval < minRefresh || interval < Math.min(env.transRate(),MAXREFRESH)) {
+ return;
+ }
lastRun = now;
AuthzTrans trans = env.newTransNoAvg();
Result<Void> rv = cidao.check(trans);