/*
* Copyright 2012-2014 Aerospike, Inc.
*
* Portions may be licensed to Aerospike, Inc. under one or more contributor
* license agreements.
*
* 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.
*/
package com.aerospike.client.command;
import java.util.ArrayList;
import java.util.HashMap;
import com.aerospike.client.Key;
public final class BatchItem {
public static HashMap<Key,BatchItem> generateMap(Key[] keys) {
HashMap<Key,BatchItem> keyMap = new HashMap<Key,BatchItem>(keys.length);
for (int i = 0; i < keys.length; i++) {
Key key = keys[i];
BatchItem item = keyMap.get(key);
if (item == null) {
item = new BatchItem(i);
keyMap.put(key, item);
}
else {
item.addDuplicate(i);
}
}
return keyMap;
}
private int index;
private ArrayList<Integer> duplicates;
public BatchItem(int idx) {
this.index = idx;
}
public void addDuplicate(int idx) {
if (duplicates == null) {
duplicates = new ArrayList<Integer>();
duplicates.add(index);
index = 0;
}
duplicates.add(idx);
}
public int getIndex() {
return (duplicates == null)? index : duplicates.get(index++);
}
}