Examples of com.sleepycat.je.config.ConfigParam

com.sleepycat.je.config.ConfigParam
A ConfigParam embodies the metadata about a JE configuration parameter: the parameter name, default value, and a validation method. Validation can be done in the scope of this parameter, or as a function of other parameters.

        /* Check that the properties have valid names and values. */
        Enumeration<?> propNames = props.propertyNames();
        while (propNames.hasMoreElements()) {
            String name = (String) propNames.nextElement();
            /* Is this a valid property name? */
            ConfigParam param =
                EnvironmentParams.SUPPORTED_PARAMS.get(name);


            if (param == null) {
                /* See if the parameter is an multi-value parameter. */
                String mvParamName = ConfigParam.multiValueParamName(name);
                param = EnvironmentParams.SUPPORTED_PARAMS.get(mvParamName);
                if (param == null) {
                    throw EnvironmentFailureException.unexpectedState
                        (name +
                         " is not a valid BDBJE environment configuration");
                }
            }


            if (param.isForReplication()) {
                repProperties.setProperty(name, props.getProperty(name));
            }
        }


        return RepInternal.makeReplicationConfig

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        Properties toProps = toConfig.props;
        Enumeration<?> propNames = props.propertyNames();
        while (propNames.hasMoreElements()) {
            String paramName = (String) propNames.nextElement();
            ConfigParam param =
                EnvironmentParams.SUPPORTED_PARAMS.get(paramName);
            assert param != null;
            if (param.isForReplication() &&
                param.isMutable()) {
                String newVal = props.getProperty(paramName);
                toProps.setProperty(paramName, newVal);
            }
        }
    }

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        /* Check that the properties have valid names and values */
        Enumeration<?> propNames = checkProps.propertyNames();
        while (propNames.hasMoreElements()) {
            String name = (String) propNames.nextElement();
            /* Is this a valid property name? */
            ConfigParam param =
                EnvironmentParams.SUPPORTED_PARAMS.get(name);
            if (param == null) {
                throw new IllegalArgumentException
                (name + " is not a valid JE environment configuration");
            }
            /* Is this a valid property value? */
            if (validateParams) {
                param.validateValue(checkProps.getProperty(name));
            }
        }
    }

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            // There is no need to validate properties yet again.
            StringTokenizer st = new StringTokenizer(jeEntry, "=");
            if (st.countTokens() == 2) {
              String jePropertyName = st.nextToken();
              String jePropertyValue = st.nextToken();
              ConfigParam param = (ConfigParam) paramsMap.get(jePropertyName);
              if (!param.isMutable()) {
                String oldValue = oldEnvConfig.getConfigParam(param.getName());
                String newValue = jePropertyValue;
                if (!oldValue.equalsIgnoreCase(newValue)) {
                  Message message =
                    INFO_CONFIG_JE_PROPERTY_REQUIRES_RESTART.get(
                    jePropertyName);

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          // There is no need to validate properties yet again.
          StringTokenizer st = new StringTokenizer(jeEntry, "=");
          if (st.countTokens() == 2) {
            String jePropertyName = st.nextToken();
            String jePropertyValue = st.nextToken();
            ConfigParam param = (ConfigParam) paramsMap.get(jePropertyName);
            if (!param.isMutable()) {
              String oldValue = oldEnvConfig.getConfigParam(param.getName());
              String newValue = jePropertyValue;
              if (!oldValue.equalsIgnoreCase(newValue)) {
                adminActionRequired = true;
                messages.add(INFO_CONFIG_JE_PROPERTY_REQUIRES_RESTART.get(
                        jePropertyName));
                if(debugEnabled()) {
                  TRACER.debugInfo("The change to the following property " +
                    "will take effect when the component is restarted: " +
                    jePropertyName);
                }
              }
            }
          }
        }


        // Iterate through JE configuration attributes.
        for (Object o : paramsMap.values())
        {
          ConfigParam param = (ConfigParam) o;
          if (!param.isMutable())
          {
            String oldValue = oldEnvConfig.getConfigParam(param.getName());
            String newValue = newEnvConfig.getConfigParam(param.getName());
            if (!oldValue.equalsIgnoreCase(newValue))
            {
              adminActionRequired = true;
              String configAttr = ConfigurableEnvironment.
                  getAttributeForProperty(param.getName());
              if (configAttr != null)
              {
                messages.add(NOTE_JEB_CONFIG_ATTR_REQUIRES_RESTART
                    .get(configAttr));
              }
              else
              {
                messages.add(NOTE_JEB_CONFIG_ATTR_REQUIRES_RESTART
                    .get(param.getName()));
              }
              if(debugEnabled())
              {
                TRACER.debugInfo("The change to the following property will " +
                    "take effect when the backend is restarted: " +
                    param.getName());
              }
            }
          }
        }

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