forked from kiegroup/jbpm-wb
/
KieServerDataSetProvider.java
202 lines (167 loc) · 8.2 KB
/
KieServerDataSetProvider.java
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/*
* Copyright 2016 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jbpm.console.ng.bd.integration;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import javax.enterprise.context.ApplicationScoped;
import org.dashbuilder.dataprovider.DataSetProvider;
import org.dashbuilder.dataprovider.DataSetProviderType;
import org.dashbuilder.dataset.ColumnType;
import org.dashbuilder.dataset.DataColumn;
import org.dashbuilder.dataset.DataSet;
import org.dashbuilder.dataset.DataSetFactory;
import org.dashbuilder.dataset.DataSetLookup;
import org.dashbuilder.dataset.DataSetMetadata;
import org.dashbuilder.dataset.def.DataColumnDef;
import org.dashbuilder.dataset.def.DataSetDef;
import org.dashbuilder.dataset.filter.ColumnFilter;
import org.dashbuilder.dataset.filter.CoreFunctionFilter;
import org.dashbuilder.dataset.filter.DataSetFilter;
import org.dashbuilder.dataset.group.DataSetGroup;
import org.dashbuilder.dataset.group.GroupFunction;
import org.dashbuilder.dataset.impl.DataColumnImpl;
import org.dashbuilder.dataset.impl.DataSetMetadataImpl;
import org.dashbuilder.dataset.sort.ColumnSort;
import org.dashbuilder.dataset.sort.DataSetSort;
import org.dashbuilder.dataset.sort.SortOrder;
import org.jbpm.console.ng.ga.model.dataset.ConsoleDataSetLookup;
import org.kie.server.api.model.definition.QueryFilterSpec;
import org.kie.server.api.model.definition.QueryParam;
import org.kie.server.client.QueryServicesClient;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@ApplicationScoped
public class KieServerDataSetProvider extends AbstractKieServerService implements DataSetProvider {
private static final Logger LOGGER = LoggerFactory.getLogger(KieServerDataSetProvider.class);
public static final DataSetProviderType TYPE = new KieServerDataSetProviderType();
@Override
public DataSetProviderType getType() {
return TYPE;
}
@Override
public DataSetMetadata getDataSetMetadata(DataSetDef def) throws Exception {
List<String> columnNames = new ArrayList<>();
List<ColumnType> columnTypes = new ArrayList<>();
List<DataColumnDef> columns = def.getColumns();
for (DataColumnDef column : columns) {
columnNames.add(column.getId());
columnTypes.add(column.getColumnType());
}
return new DataSetMetadataImpl(def, def.getUUID(), -1, def.getColumns().size(), columnNames, columnTypes, -1);
}
@Override
public DataSet lookupDataSet(DataSetDef def, DataSetLookup lookup) throws Exception {
if (!(lookup instanceof ConsoleDataSetLookup)) {
throw new IllegalArgumentException("DataSetLookup is of incorrect type " + lookup.getClass().getName());
}
ConsoleDataSetLookup dataSetLookup = (ConsoleDataSetLookup) lookup;
LOGGER.debug("Data Set lookup using Server Template Id: {}", dataSetLookup.getServerTemplateId());
if (dataSetLookup.getServerTemplateId() == null || dataSetLookup.getServerTemplateId().isEmpty()) {
return buildDataSet(def, new ArrayList<>(), new ArrayList<>());
}
final QueryServicesClient queryClient = getClient(dataSetLookup.getServerTemplateId(), QueryServicesClient.class);
List<QueryParam> filterParams = new ArrayList<>();
QueryFilterSpec filterSpec = new QueryFilterSpec();
// apply filtering
for (DataSetFilter filter : dataSetLookup.getOperationList(DataSetFilter.class)) {
if (filter != null) {
for (ColumnFilter cFilter : filter.getColumnFilterList()) {
if (cFilter instanceof CoreFunctionFilter) {
CoreFunctionFilter coreFunctionFilter = (CoreFunctionFilter) cFilter;
filterParams.add(new QueryParam(coreFunctionFilter.getColumnId(), coreFunctionFilter.getType().toString(), coreFunctionFilter.getParameters()));
}
}
}
}
List<DataColumn> extraColumns = new ArrayList<DataColumn>();
DataSetGroup dataSetGroup = dataSetLookup.getLastGroupOp();
if (dataSetGroup != null) {
if (dataSetGroup.getColumnGroup() != null) {
// handle group
filterParams.add(new QueryParam(dataSetGroup.getColumnGroup().getSourceId(), "group", Arrays.asList(dataSetGroup.getColumnGroup().getColumnId())));
}
// handle additional columns
for (GroupFunction groupFunction : dataSetGroup.getGroupFunctions()) {
if (groupFunction.getFunction() != null) {
filterParams.add(new QueryParam(groupFunction.getSourceId(), groupFunction.getFunction().toString(), Arrays.asList(groupFunction.getColumnId())));
extraColumns.add(new DataColumnImpl(groupFunction.getSourceId(), ColumnType.NUMBER));
} else {
filterParams.add(new QueryParam(groupFunction.getSourceId(), null, Arrays.asList(groupFunction.getColumnId())));
extraColumns.add(new DataColumnImpl(groupFunction.getSourceId(), ColumnType.LABEL));
}
}
}
if (!filterParams.isEmpty()) {
filterSpec.setParameters(filterParams.toArray(new QueryParam[filterParams.size()]));
}
// apply sorting
DataSetSort sort = dataSetLookup.getFirstSortOp();
if (sort != null) {
SortOrder sortOrder = SortOrder.UNSPECIFIED;
StringBuilder orderBy = new StringBuilder();
for (ColumnSort cSort : sort.getColumnSortList()) {
orderBy.append(cSort.getColumnId()).append(",");
sortOrder = cSort.getOrder();
}
// remove last ,
orderBy.deleteCharAt(orderBy.length()-1);
filterSpec.setOrderBy(orderBy.toString());
filterSpec.setAscending(sortOrder.equals(SortOrder.ASCENDING));
}
final List<List> instances = queryClient.query(
dataSetLookup.getDataSetUUID(),
QueryServicesClient.QUERY_MAP_RAW,
filterSpec,
dataSetLookup.getRowOffset() / dataSetLookup.getNumberOfRows(),
dataSetLookup.getNumberOfRows(),
List.class
);
LOGGER.debug("Query client returned {} row(s)", instances.size());
return buildDataSet(def, instances, extraColumns);
}
@Override
public boolean isDataSetOutdated(DataSetDef def) {
return false;
}
protected DataSet buildDataSet(DataSetDef def, List<List> instances, List<DataColumn> extraColumns) throws Exception {
DataSet dataSet = DataSetFactory.newEmptyDataSet();
dataSet.setUUID(def.getUUID());
dataSet.setDefinition(def);
if (extraColumns != null && !extraColumns.isEmpty()) {
for (DataColumn extraColumn : extraColumns) {
dataSet.addColumn(extraColumn);
}
} else {
for (DataColumnDef column : def.getColumns()) {
DataColumn numRows = new DataColumnImpl(column.getId(), column.getColumnType());
dataSet.addColumn(numRows);
}
}
for(List<Object> row : instances ) {
int columnIndex = 0;
for (Object value : row) {
DataColumn intervalBuilder = dataSet.getColumnByIndex(columnIndex);
intervalBuilder.getValues().add(value);
columnIndex++;
}
}
// set size of the results to allow paging to be more then the actual size
// dataSet.setRowCountNonTrimmed(instances.size() == 0 ? 0 : instances.size() + 1);
dataSet.setRowCountNonTrimmed(instances.size());
return dataSet;
}
}