diff options
Diffstat (limited to 'authz-cass/src/main/java/com/att/dao/Loader.java')
| -rw-r--r-- | authz-cass/src/main/java/com/att/dao/Loader.java | 214 |
1 files changed, 0 insertions, 214 deletions
diff --git a/authz-cass/src/main/java/com/att/dao/Loader.java b/authz-cass/src/main/java/com/att/dao/Loader.java deleted file mode 100644 index fb364aca..00000000 --- a/authz-cass/src/main/java/com/att/dao/Loader.java +++ /dev/null @@ -1,214 +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.io.DataInputStream;
-import java.io.DataOutputStream;
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Map.Entry;
-import java.util.Set;
-
-import com.datastax.driver.core.Row;
-
-public abstract class Loader<DATA> {
- private int keylimit;
- public Loader(int keylimit) {
- this.keylimit = keylimit;
- }
-
- public int keylimit() {
- return keylimit;
- }
-
- protected abstract DATA load(DATA data, Row row);
- protected abstract void key(DATA data, int idx, Object[] obj);
- protected abstract void body(DATA data, int idx, Object[] obj);
-
- public final Object[] extract(DATA data, int size, CassDAOImpl.CRUD type) {
- Object[] rv=null;
- switch(type) {
- case delete:
- rv = new Object[keylimit()];
- key(data,0,rv);
- break;
- case update:
- rv = new Object[size];
- body(data,0,rv);
- int body = size-keylimit();
- if(body>0) {
- key(data,body,rv);
- }
- break;
- default:
- rv = new Object[size];
- key(data,0,rv);
- if(size>keylimit()) {
- body(data,keylimit(),rv);
- }
- break;
- }
- return rv;
- }
-
- public static void writeString(DataOutputStream os, String s) throws IOException {
- if(s==null) {
- os.writeInt(-1);
- } else {
- switch(s.length()) {
- case 0:
- os.writeInt(0);
- break;
- default:
- byte[] bytes = s.getBytes();
- os.writeInt(bytes.length);
- os.write(bytes);
- }
- }
- }
-
- /**
- * We use bytes here to set a Maximum
- *
- * @param is
- * @param MAX
- * @return
- * @throws IOException
- */
- public static String readString(DataInputStream is, byte[] _buff) throws IOException {
- int l = is.readInt();
- byte[] buff = _buff;
- switch(l) {
- case -1: return null;
- case 0: return "";
- default:
- // Cover case where there is a large string, without always allocating a large buffer.
- if(l>buff.length) {
- buff = new byte[l];
- }
- is.read(buff,0,l);
- return new String(buff,0,l);
- }
- }
-
- /**
- * Write a set with proper sizing
- *
- * Note: at the moment, this is just String. Probably can develop system where types
- * are supported too... but not now.
- *
- * @param os
- * @param set
- * @throws IOException
- */
- public static void writeStringSet(DataOutputStream os, Collection<String> set) throws IOException {
- if(set==null) {
- os.writeInt(-1);
- } else {
- os.writeInt(set.size());
- for(String s : set) {
- writeString(os, s);
- }
- }
-
- }
-
- public static Set<String> readStringSet(DataInputStream is, byte[] buff) throws IOException {
- int l = is.readInt();
- if(l<0) {
- return null;
- }
- Set<String> set = new HashSet<String>(l);
- for(int i=0;i<l;++i) {
- set.add(readString(is,buff));
- }
- return set;
- }
-
- public static List<String> readStringList(DataInputStream is, byte[] buff) throws IOException {
- int l = is.readInt();
- if(l<0) {
- return null;
- }
- List<String> list = new ArrayList<String>(l);
- for(int i=0;i<l;++i) {
- list.add(Loader.readString(is,buff));
- }
- return list;
- }
-
- /**
- * Write a map
- * @param os
- * @param map
- * @throws IOException
- */
- public static void writeStringMap(DataOutputStream os, Map<String,String> map) throws IOException {
- if(map==null) {
- os.writeInt(-1);
- } else {
- Set<Entry<String, String>> es = map.entrySet();
- os.writeInt(es.size());
- for(Entry<String,String> e : es) {
- writeString(os, e.getKey());
- writeString(os, e.getValue());
- }
- }
-
- }
-
- public static Map<String,String> readStringMap(DataInputStream is, byte[] buff) throws IOException {
- int l = is.readInt();
- if(l<0) {
- return null;
- }
- Map<String,String> map = new HashMap<String,String>(l);
- for(int i=0;i<l;++i) {
- String key = readString(is,buff);
- map.put(key,readString(is,buff));
- }
- return map;
- }
- public static void writeHeader(DataOutputStream os, int magic, int version) throws IOException {
- os.writeInt(magic);
- os.writeInt(version);
- }
-
- public static int readHeader(DataInputStream is, final int magic, final int version) throws IOException {
- if(is.readInt()!=magic) {
- throw new IOException("Corrupted Data Stream");
- }
- int v = is.readInt();
- if(version<0 || v>version) {
- throw new IOException("Unsupported Data Version: " + v);
- }
- return v;
- }
-
-}
-
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