+++ /dev/null
-/**
-* Copyright (c) 2008 The Board of Trustees of The Leland Stanford Junior
-* University
-*
-* 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 org.openflow.protocol;
-
-import java.util.List;
-
-import org.jboss.netty.buffer.ChannelBuffer;
-import org.openflow.protocol.factory.OFStatisticsFactory;
-import org.openflow.protocol.factory.OFStatisticsFactoryAware;
-import org.openflow.protocol.statistics.OFStatistics;
-import org.openflow.protocol.statistics.OFStatisticsType;
-
-
-/**
- * Base class for statistics requests/replies
- *
- * @author David Erickson (daviderickson@cs.stanford.edu) - Mar 27, 2010
- */
-public abstract class OFStatisticsMessageBase extends OFMessage implements
- OFStatisticsFactoryAware {
- public static int MINIMUM_LENGTH = 12;
-
- protected OFStatisticsFactory statisticsFactory;
- protected OFStatisticsType statisticType;
- protected short flags;
-
- // TODO: this should be List<? extends OFStatistics>, to
- // allow for type safe assignments of lists of specific message
- protected List<? extends OFStatistics> statistics;
-
- /**
- * @return the statisticType
- */
- public OFStatisticsType getStatisticType() {
- return statisticType;
- }
-
- /**
- * @param statisticType the statisticType to set
- */
- public void setStatisticType(OFStatisticsType statisticType) {
- this.statisticType = statisticType;
- }
-
- /**
- * @return the flags
- */
- public short getFlags() {
- return flags;
- }
-
- /**
- * @param flags the flags to set
- */
- public void setFlags(short flags) {
- this.flags = flags;
- }
-
- /**
- * @return the statistics
- */
- public List<? extends OFStatistics> getStatistics() {
- return statistics;
- }
-
- /**
- * return the first statistics request in the list of statistics, for
- * statistics messages that expect exactly one message in their body (e.g.,
- * flow stats request, port statsrequest)
- *
- * @return the first and only element in the list of statistics
- * @throw IllegalArgumentException if the list does not contain exactly one
- * element
- */
- public OFStatistics getFirstStatistics() {
- if (statistics == null ) {
- throw new IllegalArgumentException("Invariant violation: statistics message of type "+statisticType+" is null");
- }
- if (statistics.size() != 1) {
- throw new IllegalArgumentException("Invariant violation: statistics message of type "+statisticType+" contains "+statistics.size() +" statreq/reply messages in its body (should be 1)");
- }
-
- return statistics.get(0);
- }
-
- /**
- * @param statistics the statistics to set
- */
- public void setStatistics(List<? extends OFStatistics> statistics) {
- this.statistics = statistics;
- }
-
- @Override
- public void setStatisticsFactory(OFStatisticsFactory statisticsFactory) {
- this.statisticsFactory = statisticsFactory;
- }
-
- @Override
- public void readFrom(ChannelBuffer data) {
- super.readFrom(data);
- this.statisticType = OFStatisticsType.valueOf(data.readShort(), this
- .getType());
- this.flags = data.readShort();
- if (this.statisticsFactory == null)
- throw new RuntimeException("OFStatisticsFactory not set");
- this.statistics = statisticsFactory.parseStatistics(this.getType(),
- this.statisticType, data, super.getLengthU() - MINIMUM_LENGTH);
- }
-
- @Override
- public void writeTo(ChannelBuffer data) {
- super.writeTo(data);
- data.writeShort(this.statisticType.getTypeValue());
- data.writeShort(this.flags);
- if (this.statistics != null) {
- for (OFStatistics statistic : this.statistics) {
- statistic.writeTo(data);
- }
- }
- }
-
- @Override
- public int hashCode() {
- final int prime = 317;
- int result = super.hashCode();
- result = prime * result + flags;
- result = prime * result
- + ((statisticType == null) ? 0 : statisticType.hashCode());
- result = prime * result
- + ((statistics == null) ? 0 : statistics.hashCode());
- return result;
- }
-
- @Override
- public boolean equals(Object obj) {
- if (this == obj) {
- return true;
- }
- if (!super.equals(obj)) {
- return false;
- }
- if (!(obj instanceof OFStatisticsMessageBase)) {
- return false;
- }
- OFStatisticsMessageBase other = (OFStatisticsMessageBase) obj;
- if (flags != other.flags) {
- return false;
- }
- if (statisticType == null) {
- if (other.statisticType != null) {
- return false;
- }
- } else if (!statisticType.equals(other.statisticType)) {
- return false;
- }
- if (statistics == null) {
- if (other.statistics != null) {
- return false;
- }
- } else if (!statistics.equals(other.statistics)) {
- return false;
- }
- return true;
- }
-}
Code Review / openflowjava.git / blobdiff