public void read(org.apache.thrift.protocol.TProtocol iprot, TLogQueryFilter struct) throws org.apache.thrift.TException {
      org.apache.thrift.protocol.TField schemeField;
      iprot.readStructBegin();
      while (true)
      {
        schemeField = iprot.readFieldBegin();
        if (schemeField.type == org.apache.thrift.protocol.TType.STOP) { 
          break;
        }
        switch (schemeField.id) {
          case 1: // REGION_NAME
            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
              struct.regionName = iprot.readString();
              struct.setRegionNameIsSet(true);
            } else { 
              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
            }
            break;
          case 2: // CLIENT_ADDRESS
            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
              struct.clientAddress = iprot.readString();
              struct.setClientAddressIsSet(true);
            } else { 
              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
            }
            break;
          case 3: // TABLE_NAME
            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
              struct.tableName = iprot.readString();
              struct.setTableNameIsSet(true);
            } else { 
              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
            }
            break;
          case 4: // USER_NAME
            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
              struct.userName = iprot.readString();
              struct.setUserNameIsSet(true);
            } else { 
              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
            }
            break;
          case 5: // LIMIT
            if (schemeField.type == org.apache.thrift.protocol.TType.I32) {
              struct.limit = iprot.readI32();
              struct.setLimitIsSet(true);
            } else { 
              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
            }
            break;
          case 6: // LOG_TYPE
            if (schemeField.type == org.apache.thrift.protocol.TType.I32) {
              struct.logType = org.apache.hadoop.hbase.thrift2.generated.TLogType.findByValue(iprot.readI32());
              struct.setLogTypeIsSet(true);
            } else { 
              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
            }
            break;
          case 7: // FILTER_BY_OPERATOR
            if (schemeField.type == org.apache.thrift.protocol.TType.I32) {
              struct.filterByOperator = org.apache.hadoop.hbase.thrift2.generated.TFilterByOperator.findByValue(iprot.readI32());
              struct.setFilterByOperatorIsSet(true);
            } else { 
              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
            }
            break;
          default:
            org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
        }
        iprot.readFieldEnd();
      }
      iprot.readStructEnd();

      // check for required fields of primitive type, which can't be checked in the validate method
      struct.validate();
    }
Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise
hbase-thrift/src/main/java/org/apache/hadoop/hbase/thrift2/generated/TLogQueryFilter.java