diff options
Diffstat (limited to 'authz-cass/src/main/java/com/att/dao/CachedDAO.java')
| -rw-r--r-- | authz-cass/src/main/java/com/att/dao/CachedDAO.java | 228 |
1 files changed, 0 insertions, 228 deletions
diff --git a/authz-cass/src/main/java/com/att/dao/CachedDAO.java b/authz-cass/src/main/java/com/att/dao/CachedDAO.java deleted file mode 100644 index a490f207..00000000 --- a/authz-cass/src/main/java/com/att/dao/CachedDAO.java +++ /dev/null @@ -1,228 +0,0 @@ -/*******************************************************************************
- * ============LICENSE_START====================================================
- * * org.onap.aaf
- * * ===========================================================================
- * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
- * * ===========================================================================
- * * 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.
- * * See the License for the specific language governing permissions and
- * * limitations under the License.
- * * ============LICENSE_END====================================================
- * *
- * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
- * *
- ******************************************************************************/
-package com.att.dao;
-
-import java.util.ArrayList;
-import java.util.List;
-
-import com.att.authz.layer.Result;
-import com.att.dao.aaf.cass.Status;
-import com.att.inno.env.Trans;
-
-/**
- * CachedDAO
- *
- * Cache the response of "get" of any DAO.
- *
- * For simplicity's sake, at this time, we only do this for single Object keys
- *
- *
- * @param <DATA>
- */
-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 D dao;
-
- public CachedDAO(D dao, CIDAO<TRANS> info, int segsize) {
- super(info, dao.table(), segsize);
-
- // 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) {
- ((CassDAOImpl<?,?>)dao).cache = this;
- }
- }
-
- 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) {
- return new CachedDAO<T,DA,DT>(dao,info, segsize);
- }
-
- public void add(DATA data) {
- String key = keyFromObjs(dao.keyFrom(data));
- List<DATA> list = new ArrayList<DATA>();
- list.add(data);
- super.add(key,list);
- }
-
-// public void invalidate(TRANS trans, Object ... objs) {
-// TimeTaken tt = trans.start(dirty_str, Env.SUB);
-// try {
-// super.invalidate(keyFromObjs(objs));
-// } finally {
-// tt.done();
-// }
-// }
-
- public static String keyFromObjs(Object ... objs) {
- String key;
- 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) {
- first =false;
- } else {
- sb.append('|');
- }
- sb.append(o.toString());
- }
- }
- key = sb.toString();
- }
- return key;
- }
-
- public Result<DATA> create(TRANS trans, DATA data) {
- Result<DATA> d = dao.create(trans,data);
- if(d.status==Status.OK) {
- add(d.value);
- } else {
- trans.error().log(d.errorString());
- }
- invalidate(trans,data);
- return d;
- }
-
- protected class DAOGetter implements Getter<DATA> {
- protected TRANS trans;
- protected Object objs[];
- protected D dao;
- public Result<List<DATA>> result;
-
- public DAOGetter(TRANS trans, D dao, Object ... objs) {
- this.trans = trans;
- 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
-// 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);
- return get(trans, keyFromObjs(objs),getter);
-// if(ld!=null) {
-// return Result.ok(ld);//.emptyList(ld.isEmpty());
-// }
-// // Result Result if exists
-// 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.
- public Result<List<DATA>> read(final String key, final TRANS trans, final Object ... objs) {
- DAOGetter getter = new DAOGetter(trans,dao,objs);
- return get(trans, key, getter);
-// if(ld!=null) {
-// return Result.ok(ld);//.emptyList(ld.isEmpty());
-// }
-// // Result Result if exists
-// 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) {
- add(data);
- } else {
- trans.error().log(d.errorString());
- }
- return d;
- }
-
- public Result<Void> delete(TRANS trans, DATA data, boolean reread) {
- if(reread) { // If reread, get from Cache, if possible, not DB exclusively
- Result<List<DATA>> rd = read(trans,data);
- if(rd.notOK()) {
- return Result.err(rd);
- } else {
- trans.error().log(rd.errorString());
- }
- if(rd.isEmpty()) {
- data.invalidate(this);
- return Result.err(Status.ERR_NotFound,"Not Found");
- }
- data = rd.value.get(0);
- }
- Result<Void> rv=dao.delete(trans, data, false);
- data.invalidate(this);
- return rv;
- }
-
- @Override
- public void close(TRANS trans) {
- 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()) {
- trans.error().log("Cannot touch CacheInfo for Role");
- }
- }
-}
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