CommunitySetElem.java

package org.batfish.datamodel.routing_policy.expr;

import java.io.Serializable;

import org.batfish.common.BatfishException;
import org.batfish.datamodel.routing_policy.Environment;

import com.fasterxml.jackson.annotation.JsonCreator;

public class CommunitySetElem implements Serializable {

   /**
    *
    */
   private static final long serialVersionUID = 1L;

   private CommunitySetElemHalfExpr _prefix;

   private CommunitySetElemHalfExpr _suffix;

   @JsonCreator
   private CommunitySetElem() {
   }

   public CommunitySetElem(CommunitySetElemHalfExpr prefix,
         CommunitySetElemHalfExpr suffix) {
      _prefix = prefix;
      _suffix = suffix;
   }

   public CommunitySetElem(long value) {
      int prefixInt = (int) ((value & 0xFFFF0000l) >> 16);
      _prefix = new LiteralCommunitySetElemHalf(prefixInt);
      int suffixInt = (int) (value & 0xFFFFl);
      _suffix = new LiteralCommunitySetElemHalf(suffixInt);
   }

   public long community(Environment environment) {
      if (_prefix instanceof LiteralCommunitySetElemHalf
            && _suffix instanceof LiteralCommunitySetElemHalf) {
         LiteralCommunitySetElemHalf prefix = (LiteralCommunitySetElemHalf) _prefix;
         LiteralCommunitySetElemHalf suffix = (LiteralCommunitySetElemHalf) _suffix;
         int prefixInt = prefix.getValue();
         int suffixInt = suffix.getValue();
         return (((long) prefixInt) << 16) | (suffixInt);
      }
      else {
         throw new BatfishException("Does not represent a single community");
      }
   }

   @Override
   public boolean equals(Object obj) {
      if (this == obj) {
         return true;
      }
      if (obj == null) {
         return false;
      }
      if (getClass() != obj.getClass()) {
         return false;
      }
      CommunitySetElem other = (CommunitySetElem) obj;
      if (_prefix == null) {
         if (other._prefix != null) {
            return false;
         }
      }
      else if (!_prefix.equals(other._prefix)) {
         return false;
      }
      if (_suffix == null) {
         if (other._suffix != null) {
            return false;
         }
      }
      else if (!_suffix.equals(other._suffix)) {
         return false;
      }
      return true;
   }

   public CommunitySetElemHalfExpr getPrefix() {
      return _prefix;
   }

   public CommunitySetElemHalfExpr getSuffix() {
      return _suffix;
   }

   @Override
   public int hashCode() {
      final int prime = 31;
      int result = 1;
      result = prime * result + ((_prefix == null) ? 0 : _prefix.hashCode());
      result = prime * result + ((_suffix == null) ? 0 : _suffix.hashCode());
      return result;
   }

   public void setPrefix(CommunitySetElemHalfExpr prefix) {
      _prefix = prefix;
   }

   public void setSuffix(CommunitySetElemHalfExpr suffix) {
      _suffix = suffix;
   }

}