/*
* RHQ Management Platform
* Copyright (C) 2010 Red Hat, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation version 2 of the License.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
package org.rhq.coregui.client.inventory.common;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Map;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.smartgwt.client.data.Criteria;
import com.smartgwt.client.data.DSRequest;
import com.smartgwt.client.data.DSResponse;
import com.smartgwt.client.data.DataSourceField;
import com.smartgwt.client.data.Record;
import com.smartgwt.client.data.fields.DataSourceIntegerField;
import com.smartgwt.client.data.fields.DataSourceTextField;
import com.smartgwt.client.rpc.RPCResponse;
import com.smartgwt.client.widgets.grid.ListGridField;
import com.smartgwt.client.widgets.grid.ListGridRecord;
import org.rhq.core.domain.criteria.MeasurementDataTraitCriteria;
import org.rhq.core.domain.measurement.MeasurementDataTrait;
import org.rhq.core.domain.util.PageList;
import org.rhq.coregui.client.CoreGUI;
import org.rhq.coregui.client.components.table.TimestampCellFormatter;
import org.rhq.coregui.client.gwt.GWTServiceLookup;
import org.rhq.coregui.client.gwt.MeasurementDataGWTServiceAsync;
import org.rhq.coregui.client.util.Log;
import org.rhq.coregui.client.util.RPCDataSource;
/**
* A server-side SmartGWT DataSource for reading {@link MeasurementDataTrait trait data}.
*
* @author Ian Springer
*/
public abstract class AbstractMeasurementDataTraitDataSource extends
RPCDataSource<MeasurementDataTrait, MeasurementDataTraitCriteria> {
public static final String FIELD_METRIC_SCHED_ID = "id";
public static final String FIELD_METRIC_NAME = "name";
private MeasurementDataGWTServiceAsync measurementService = GWTServiceLookup.getMeasurementDataService();
protected AbstractMeasurementDataTraitDataSource() {
setCanMultiSort(true);
List<DataSourceField> fields = addDataSourceFields();
addFields(fields);
}
@Override
protected List<DataSourceField> addDataSourceFields() {
List<DataSourceField> fields = super.addDataSourceFields();
DataSourceTextField primaryKeyField = new DataSourceTextField("primaryKey",
MSG.dataSource_traits_field_primaryKey());
primaryKeyField.setPrimaryKey(true);
primaryKeyField.setHidden(true);
fields.add(primaryKeyField);
DataSourceIntegerField idField = new DataSourceIntegerField(FIELD_METRIC_SCHED_ID, MSG.dataSource_traits_field_definitionID());
idField.setHidden(true);
fields.add(idField);
DataSourceIntegerField nameField = new DataSourceIntegerField(FIELD_METRIC_NAME, MSG.common_title_name());
nameField.setHidden(true);
fields.add(nameField);
return fields;
}
/**
* The view that contains the list grid which will display this datasource's data will call this
* method to get the field information which is used to control the display of the data.
*
* @return list grid fields used to display the datasource data
*/
public ArrayList<ListGridField> getListGridFields() {
ArrayList<ListGridField> fields = new ArrayList<ListGridField>(3);
ListGridField nameField = new ListGridField(MeasurementDataTraitCriteria.SORT_FIELD_DISPLAY_NAME,
MSG.dataSource_traits_field_trait());
fields.add(nameField);
// TODO: Include description from metric def?
ListGridField valueField = new ListGridField(MeasurementDataTraitCriteria.SORT_FIELD_VALUE,
MSG.common_title_value());
fields.add(valueField);
ListGridField timestampField = new ListGridField(MeasurementDataTraitCriteria.SORT_FIELD_TIMESTAMP,
MSG.dataSource_traits_field_lastChanged());
timestampField.setCellFormatter(new TimestampCellFormatter());
timestampField.setShowHover(true);
timestampField.setHoverCustomizer(TimestampCellFormatter
.getHoverCustomizer(MeasurementDataTraitCriteria.SORT_FIELD_TIMESTAMP));
timestampField.setWidth("20%");
fields.add(timestampField);
return fields;
}
protected void executeFetch(final DSRequest request, final DSResponse response,
final MeasurementDataTraitCriteria criteria) {
final long startTime = System.currentTimeMillis();
this.measurementService.findTraitsByCriteria(criteria, new AsyncCallback<PageList<MeasurementDataTrait>>() {
public void onFailure(Throwable caught) {
CoreGUI.getErrorHandler().handleError(MSG.dataSource_traits_failFetch(criteria.toString()), caught);
response.setStatus(RPCResponse.STATUS_FAILURE);
processResponse(request.getRequestId(), response);
}
public void onSuccess(PageList<MeasurementDataTrait> result) {
long fetchDuration = System.currentTimeMillis() - startTime;
Log.info(result.size() + " traits fetched in: " + fetchDuration + "ms");
dataRetrieved(result, response, request);
}
});
}
protected void dataRetrieved(final PageList<MeasurementDataTrait> result, final DSResponse response,
final DSRequest request) {
response.setData(buildRecords(result));
// For paging to work, we have to specify size of full result set.
response.setTotalRows(result.getTotalSize());
processResponse(request.getRequestId(), response);
}
@Override
protected MeasurementDataTraitCriteria getFetchCriteria(DSRequest request) {
MeasurementDataTraitCriteria criteria = new MeasurementDataTraitCriteria();
Criteria requestCriteria = request.getCriteria();
if (requestCriteria != null) {
Map values = requestCriteria.getValues();
for (Object key : values.keySet()) {
String fieldName = (String) key;
if (fieldName.equals(MeasurementDataTraitCriteria.FILTER_FIELD_RESOURCE_ID)) {
Integer resourceId = (Integer) values.get(fieldName);
criteria.addFilterResourceId(resourceId);
} else if (fieldName.equals(MeasurementDataTraitCriteria.FILTER_FIELD_GROUP_ID)) {
Integer groupId = (Integer) values.get(fieldName);
criteria.addFilterGroupId(groupId);
} else if (fieldName.equals(MeasurementDataTraitCriteria.FILTER_FIELD_DEFINITION_ID)) {
Integer definitionId = (Integer) values.get(fieldName);
criteria.addFilterDefinitionId(definitionId);
} else if (fieldName.equals(MeasurementDataTraitCriteria.FILTER_FIELD_MAX_TIMESTAMP)) {
criteria.addFilterMaxTimestamp();
} else if (fieldName.equals(MeasurementDataTraitCriteria.FILTER_FIELD_ENABLED)) {
criteria.addFilterEnabled(true);
}
}
}
return criteria;
}
@Override
public MeasurementDataTrait copyValues(Record from) {
return null;
}
@Override
public ListGridRecord copyValues(MeasurementDataTrait from) {
ListGridRecord record = new ListGridRecord();
record.setAttribute("primaryKey", from.getScheduleId() + ":" + from.getTimestamp());
record.setAttribute(FIELD_METRIC_SCHED_ID, from.getSchedule().getDefinition().getId()); // used for detail view
record.setAttribute(MeasurementDataTraitCriteria.SORT_FIELD_TIMESTAMP, new Date(from.getTimestamp()));
record.setAttribute(MeasurementDataTraitCriteria.SORT_FIELD_DISPLAY_NAME, from.getSchedule().getDefinition()
.getDisplayName());
record.setAttribute(MeasurementDataTraitCriteria.SORT_FIELD_VALUE, from.getValue());
record.setAttribute(FIELD_METRIC_NAME, from.getSchedule().getDefinition().getName());
record.setAttribute(MeasurementDataTraitCriteria.FILTER_FIELD_RESOURCE_ID, from.getSchedule().getResource().getId());
return record;
}
}