2 * Copyright (c) 2015 Ericsson India Global Services Pvt Ltd. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.ovsdb.utils.mdsal.utils;
11 import org.opendaylight.yangtools.yang.binding.DataObject;
12 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
13 import org.slf4j.Logger;
14 import org.slf4j.LoggerFactory;
16 import java.util.ArrayList;
18 public class TransactionHistory extends ArrayList<TransactionElement> {
20 private final int capacity;
21 private final int watermark;
23 public TransactionHistory(int initialCapacity, int watermark) {
24 super(initialCapacity);
25 this.capacity = initialCapacity;
26 this.watermark = watermark;
29 public void addToHistory(TransactionType updateType, Object object) {
30 add(new TransactionElement(updateType, object));
33 public void addToHistory(TransactionType updateType, InstanceIdentifier iid, DataObject dataObject) {
34 add(new TransactionElement(updateType, new MdsalObject(iid, dataObject)));
38 public boolean add(TransactionElement element) {
39 if (size() >= watermark) {
40 removeRange(0, capacity - watermark);
42 return super.add(element);
45 public ArrayList<TransactionElement> getElements() {
46 return new ArrayList<>(this);
50 protected void removeRange(int fromIndex, int toIndex) {
51 super.removeRange(fromIndex, toIndex);