* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
- *
+ *
* http://www.apache.org/licenses/LICENSE-2.0
- *
+ *
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/**
* CachedDAO
- *
- * Cache the response of "get" of any DAO.
- *
- * For simplicity's sake, at this time, we only do this for single Object keys
- *
+ *
+ * Cache the response of "get" of any DAO.
+ *
+ * For simplicity's sake, at this time, we only do this for single Object keys
+ *
* @author Jonathan
*
* @param <DATA>
*/
-public class CachedDAO<TRANS extends Trans,D extends DAO<TRANS,DATA>,DATA extends Cacheable>
+public class CachedDAO<TRANS extends Trans,D extends DAO<TRANS,DATA>,DATA extends Cacheable>
extends Cached<TRANS,DATA> implements DAO_RO<TRANS,DATA>{
-// private final String dirty_str;
-
+// private final String dirty_str;
+
private final D dao;
public CachedDAO(D dao, CIDAO<TRANS> info, int segsize, long expireIn) {
super(info, dao.table(), segsize, expireIn);
-
- // Instantiate a new Cache per DAO name (so separate instances use the same cache)
+
+ // Instantiate a new Cache per DAO name (so separate instances use the same cache)
this.dao = dao;
//read_str = "Cached READ for " + dao.table();
// dirty_str = "Cache DIRTY on " + dao.table();
- if(dao instanceof CassDAOImpl) {
+ if (dao instanceof CassDAOImpl) {
((CassDAOImpl<?,?>)dao).cache = this;
}
}
-
- public static<T extends Trans, DA extends DAO<T,DT>, DT extends Cacheable>
+
+ public static<T extends Trans, DA extends DAO<T,DT>, DT extends Cacheable>
CachedDAO<T,DA,DT> create(DA dao, CIDAO<T> info, int segsize, long expireIn) {
return new CachedDAO<T,DA,DT>(dao,info, segsize, expireIn);
}
list.add(data);
super.add(key,list);
}
-
+
// public void invalidate(TRANS trans, Object ... objs) {
// TimeTaken tt = trans.start(dirty_str, Env.SUB);
// try {
public static String keyFromObjs(Object ... objs) {
String key;
- if(objs.length==1 && objs[0] instanceof String) {
+ if (objs.length==1 && objs[0] instanceof String) {
key = (String)objs[0];
} else {
StringBuilder sb = new StringBuilder();
boolean first = true;
- for(Object o : objs) {
- if(o!=null) {
- if(first) {
+ for (Object o : objs) {
+ if (o!=null) {
+ if (first) {
first =false;
} else {
sb.append('|');
public Result<DATA> create(TRANS trans, DATA data) {
Result<DATA> d = dao.create(trans,data);
- if(d.status==Status.OK) {
+ if (d.status==Status.OK) {
add(d.value);
} else {
trans.error().log(d.errorString());
this.dao = dao;
this.objs = objs;
}
-
+
/**
* Separated into single call for easy overloading
* @return
public Result<List<DATA>> call() {
return dao.read(trans, objs);
}
-
+
@Override
public final Result<List<DATA>> get() {
return call();
-// if(result.isOKhasData()) { // Note, given above logic, could exist, but stale
+// if (result.isOKhasData()) { // Note, given above logic, could exist, but stale
// return result.value;
// } else {
// return null;
@Override
public Result<List<DATA>> read(final TRANS trans, final Object ... objs) {
- DAOGetter getter = new DAOGetter(trans,dao,objs);
+ DAOGetter getter = new DAOGetter(trans,dao,objs);
return get(trans, keyFromObjs(objs),getter);
-// if(ld!=null) {
+// if (ld!=null) {
// return Result.ok(ld);//.emptyList(ld.isEmpty());
// }
// // Result Result if exists
-// if(getter.result==null) {
+// if (getter.result==null) {
// return Result.err(Status.ERR_NotFound, "No Cache or Lookup found on [%s]",dao.table());
// }
// return getter.result;
}
- // Slight Improved performance available when String and Obj versions are known.
+ // Slight Improved performance available when String and Obj versions are known.
public Result<List<DATA>> read(final String key, final TRANS trans, final Object[] objs) {
- DAOGetter getter = new DAOGetter(trans,dao,objs);
+ DAOGetter getter = new DAOGetter(trans,dao,objs);
return get(trans, key, getter);
-// if(ld!=null) {
+// if (ld!=null) {
// return Result.ok(ld);//.emptyList(ld.isEmpty());
// }
// // Result Result if exists
-// if(getter.result==null) {
+// if (getter.result==null) {
// return Result.err(Status.ERR_NotFound, "No Cache or Lookup found on [%s]",dao.table());
// }
// return getter.result;
}
-
+
@Override
public Result<List<DATA>> read(TRANS trans, DATA data) {
return read(trans,dao.keyFrom(data));
}
public Result<Void> update(TRANS trans, DATA data) {
Result<Void> d = dao.update(trans, data);
- if(d.status==Status.OK) {
+ if (d.status==Status.OK) {
add(data);
} else {
trans.error().log(d.errorString());
}
public Result<Void> delete(TRANS trans, DATA data, boolean reread) {
- if(reread) { // If reread, get from Cache, if possible, not DB exclusively
+ if (reread) { // If reread, get from Cache, if possible, not DB exclusively
Result<List<DATA>> rd = read(trans,data);
- if(rd.notOK()) {
+ if (rd.notOK()) {
return Result.err(rd);
// } else {
// trans.error().log(rd.errorString());
}
- if(rd.isEmpty()) {
+ if (rd.isEmpty()) {
data.invalidate(this);
return Result.err(Status.ERR_NotFound,"Not Found");
}
data.invalidate(this);
return rv;
}
-
+
@Override
public void close(TRANS trans) {
- if(dao!=null) {
+ if (dao!=null) {
dao.close(trans);
}
}
-
+
@Override
public String table() {
return dao.table();
}
-
+
public D dao() {
return dao;
}
-
+
public void invalidate(TRANS trans, DATA data) {
- if(info.touch(trans, dao.table(),data.invalidate(this)).notOK()) {
+ if (info.touch(trans, dao.table(),data.invalidate(this)).notOK()) {
trans.error().log("Cannot touch CacheInfo for Role");
}
}
Code Review / aaf / authz.git / blobdiff