109 lines
4.5 KiB
Java
109 lines
4.5 KiB
Java
package org.gcube.portlets.user.td.gwtservice.server.opexecution;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.Map;
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import org.gcube.data.analysis.tabulardata.commons.webservice.types.operations.OperationDefinition;
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import org.gcube.data.analysis.tabulardata.commons.webservice.types.operations.OperationExecution;
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import org.gcube.data.analysis.tabulardata.expression.Expression;
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import org.gcube.data.analysis.tabulardata.expression.composite.comparable.Equals;
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import org.gcube.data.analysis.tabulardata.expression.logical.And;
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import org.gcube.data.analysis.tabulardata.model.column.ColumnLocalId;
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import org.gcube.data.analysis.tabulardata.model.column.ColumnReference;
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import org.gcube.data.analysis.tabulardata.model.table.TableId;
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import org.gcube.data.analysis.tabulardata.service.TabularDataService;
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import org.gcube.portlets.user.td.gwtservice.server.trservice.OperationDefinitionMap;
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import org.gcube.portlets.user.td.gwtservice.shared.Constants;
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import org.gcube.portlets.user.td.gwtservice.shared.OperationsId;
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import org.gcube.portlets.user.td.gwtservice.shared.exception.TDGWTServiceException;
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import org.gcube.portlets.user.td.gwtservice.shared.tr.replacebyexternal.ReplaceByExternalColumnsMapping;
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import org.gcube.portlets.user.td.gwtservice.shared.tr.replacebyexternal.ReplaceByExternalSession;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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* Operation Execution for replace by external tabular resource
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*
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* @author "Giancarlo Panichi" email: <a
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* href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
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*
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*/
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public class OpExecution4ReplaceByExternal extends OpExecutionBuilder {
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protected static Logger logger = LoggerFactory
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.getLogger(OpExecution4ReplaceByExternal.class);
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private TabularDataService service;
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private ReplaceByExternalSession replaceByExternalSession;
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public OpExecution4ReplaceByExternal(
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TabularDataService service,
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ReplaceByExternalSession replaceByExternalSession) {
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this.service = service;
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this.replaceByExternalSession = replaceByExternalSession;
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}
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@Override
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public void buildOpEx() throws TDGWTServiceException {
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OperationExecution invocation = null;
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logger.debug(replaceByExternalSession.toString());
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OperationDefinition operationDefinition;
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Map<String, Object> map = new HashMap<String, Object>();
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operationDefinition = OperationDefinitionMap.map(
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OperationsId.ReplaceColumnByExpression.toString(), service);
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TableId currentTableId=null;
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if(replaceByExternalSession.getCurrentTabularResource().getTrId().isViewTable()){
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currentTableId=new TableId(Long.valueOf(replaceByExternalSession.getCurrentTabularResource().getTrId().getReferenceTargetTableId()));
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} else {
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currentTableId=new TableId(Long.valueOf(replaceByExternalSession.getCurrentTabularResource().getTrId().getTableId()));
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}
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TableId externalTableId=null;
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if(replaceByExternalSession.getExternalTabularResource().getTrId().isViewTable()){
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externalTableId=new TableId(Long.valueOf(replaceByExternalSession.getExternalTabularResource().getTrId().getReferenceTargetTableId()));
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} else {
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externalTableId=new TableId(Long.valueOf(replaceByExternalSession.getExternalTabularResource().getTrId().getTableId()));
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}
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ArrayList<Expression> conditions=new ArrayList<Expression>();
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for(ReplaceByExternalColumnsMapping colMapping:replaceByExternalSession.getColumnsMatch()){
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ColumnReference currentColumn=new ColumnReference(currentTableId, new ColumnLocalId(colMapping.getCurrentColumn().getColumnId()));
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ColumnReference externalColumn=new ColumnReference(externalTableId, new ColumnLocalId(colMapping.getExternalColumn().getColumnId()));
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Equals eq=new Equals(currentColumn, externalColumn);
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conditions.add(eq);
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}
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Expression condition=null;
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if(conditions.size()<=0){
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logger.error("No columns selected");
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throw new TDGWTServiceException("No columns selected");
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} else {
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if(conditions.size()==1){
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condition=conditions.get(0);
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} else {
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And andCond=new And(conditions);
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condition=andCond;
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}
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}
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ColumnReference replaceColumn=new ColumnReference(externalTableId, new ColumnLocalId(replaceByExternalSession.getReplaceColumn().getColumnId()));
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map.put(Constants.PARAMETER_REPLACE_BY_EXPRESSION_COLUMN_CONDITION,
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condition);
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map.put(Constants.PARAMETER_REPLACE_BY_EXPRESSION_COLUMN_VALUE,
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replaceColumn);
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invocation = new OperationExecution(replaceByExternalSession.getCurrentColumn().getColumnId(),
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operationDefinition.getOperationId(), map);
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operationExecutionSpec.setOp(invocation);
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}
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}
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