Package org.teiid.rhq.plugin

Source Code of org.teiid.rhq.plugin.TranslatorComponent$Config

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* regarding copyright ownership.  Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.rhq.plugin;

import java.util.Map;
import java.util.Set;

import javax.naming.NamingException;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.jboss.managed.api.ComponentType;
import org.jboss.managed.api.ManagedComponent;
import org.jboss.managed.api.ManagedProperty;
import org.jboss.metatype.api.types.MetaType;
import org.jboss.metatype.api.values.MapCompositeValueSupport;
import org.jboss.metatype.api.values.MetaValue;
import org.mc4j.ems.connection.EmsConnection;
import org.rhq.core.domain.configuration.Configuration;
import org.rhq.core.domain.configuration.PropertyList;
import org.rhq.core.domain.configuration.PropertyMap;
import org.rhq.core.domain.configuration.PropertySimple;
import org.rhq.core.domain.measurement.MeasurementDataNumeric;
import org.rhq.core.domain.measurement.MeasurementReport;
import org.rhq.core.domain.measurement.MeasurementScheduleRequest;
import org.rhq.core.pluginapi.inventory.ResourceContext;
import org.rhq.core.pluginapi.measurement.MeasurementFacet;
import org.rhq.plugins.jbossas5.connection.ProfileServiceConnection;
import org.teiid.rhq.plugin.util.PluginConstants;
import org.teiid.rhq.plugin.util.ProfileServiceUtil;

/**
* Component class for the Teiid Translator.
*
*/
public class TranslatorComponent extends Facet {
  private final Log LOG = LogFactory.getLog(PluginConstants.DEFAULT_LOGGER_CATEGORY);

  public static interface Config {
    String COMPONENT_TYPE = "componentType";
    String COMPONENT_SUBTYPE = "componentSubtype";
    String COMPONENT_NAME = "componentName";
    String TEMPLATE_NAME = "template-name";
    String RESOURCE_NAME = "resourceName";
  }

  @Override
  public void start(ResourceContext context) {
    this.setComponentName(context.getPluginConfiguration().getSimpleValue"name", null));
    this.resourceConfiguration=context.getPluginConfiguration();
    super.start(context);
  }
 
  /**
   * @see org.teiid.rhq.plugin.Facet#getComponentType()
   * @since 1.0
   */
  @Override
  String getComponentType() {
    return PluginConstants.ComponentType.Translator.NAME;
  }

  /**
   * The plugin container will call this method when your resource component
   * has been scheduled to collect some measurements now. It is within this
   * method that you actually talk to the managed resource and collect the
   * measurement data that is has emitted.
   *
   * @see MeasurementFacet#getValues(MeasurementReport, Set)
   */
  public void getValues(MeasurementReport report, Set<MeasurementScheduleRequest> requests) {
    for (MeasurementScheduleRequest request : requests) {
      String name = request.getName();

      // TODO: based on the request information, you must collect the
      // requested measurement(s)
      // you can use the name of the measurement to determine what you
      // actually need to collect
      try {
        Number value = new Integer(1); // dummy measurement value -
        // this should come from the
        // managed resource
        report.addData(new MeasurementDataNumeric(request, value.doubleValue()));
      } catch (Exception e) {
        LOG.error("Failed to obtain measurement [" + name   + "]. Cause: " + e); //$NON-NLS-1$ //$NON-NLS-2$
      }
    }

    return;
  }
 
  protected void setOperationArguments(String name,
      Configuration configuration, Map argumentMap) {
    //No operations for translators
  }
 
  @Override
  public Configuration loadResourceConfiguration() {

    ManagedComponent translator = null;
    try {
      translator = ProfileServiceUtil
      .getManagedComponent(getConnection(), new ComponentType(
          PluginConstants.ComponentType.Translator.TYPE,
          PluginConstants.ComponentType.Translator.SUBTYPE), this.name);
    } catch (NamingException e) {
      final String msg = "NamingException in loadResourceConfiguration(): " + e.getExplanation(); //$NON-NLS-1$
      LOG.error(msg, e);
    } catch (Exception e) {
      final String msg = "Exception in loadResourceConfiguration(): " + e.getMessage(); //$NON-NLS-1$
      LOG.error(msg, e);
    }
   
    String translatorName = ProfileServiceUtil.getSimpleValuetranslator, "name", String.class);
    String description = ProfileServiceUtil.getSimpleValuetranslator, "description", String.class);

    Configuration c = resourceConfiguration;
    PropertyList list = new PropertyList("translatorList");
    PropertyMap propMap = null;
    c.put(list);

    // First get translator specific properties
    ManagedProperty translatorProps = translator.getProperty("property");
    try {
      getTranslatorValues(translatorProps.getValue(), propMap, list);
    } catch (Exception e) {
      throw new RuntimeException(e.getMessage());
    }

    // Now get common properties
    c.put(new PropertySimple("name", translatorName));
    c.put(new PropertySimple("description", description));
   
    return c;

  }
 
  public static <T> void getTranslatorValues(MetaValue pValue,
      PropertyMap map, PropertyList list) throws Exception {
    MetaType metaType = pValue.getMetaType();
    MapCompositeValueSupport unwrappedvalueMap = null;
    if (metaType.isComposite()) {
      unwrappedvalueMap = (MapCompositeValueSupport) pValue;

      for (String key : unwrappedvalueMap.getMetaType().keySet()) {
        map = new PropertyMap("property");
        map.put(new PropertySimple("name", key));
        map.put(new PropertySimple("value", ProfileServiceUtil.stringValue((MetaValue)unwrappedvalueMap.get(key))));
        map.put(new PropertySimple("description", "Custom property"));
        list.add(map);
      }
    } else {
      throw new IllegalStateException(pValue + " is not a Composite type");
    }

  }

  @Override
  public ProfileServiceConnection getConnection() {
    return ((PlatformComponent)this.resourceContext.getParentResourceComponent()).getConnection();
  }


  @Override
  public EmsConnection getEmsConnection() {
    // TODO Auto-generated method stub
    return null;
  }
 
}
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