Package org.teiid.translator.salesforce.execution

Source Code of org.teiid.translator.salesforce.execution.UpdateExecutionImpl

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* This library is free software; you can redistribute it and/or
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* Lesser General Public License for more details.
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package org.teiid.translator.salesforce.execution;

import java.util.ArrayList;
import java.util.List;

import javax.resource.ResourceException;
import javax.xml.bind.JAXBElement;
import javax.xml.namespace.QName;

import org.teiid.language.ColumnReference;
import org.teiid.language.Command;
import org.teiid.language.Literal;
import org.teiid.language.SetClause;
import org.teiid.language.Update;
import org.teiid.metadata.Column;
import org.teiid.metadata.RuntimeMetadata;
import org.teiid.translator.TranslatorException;
import org.teiid.translator.ExecutionContext;
import org.teiid.translator.salesforce.SalesforceConnection;
import org.teiid.translator.salesforce.Util;
import org.teiid.translator.salesforce.execution.visitors.UpdateVisitor;


public class UpdateExecutionImpl extends AbstractUpdateExecution {

  @SuppressWarnings("unchecked")
  private static final Class stringClazz = new String().getClass();
 
  public UpdateExecutionImpl(Command command,
      SalesforceConnection salesforceConnection,
      RuntimeMetadata metadata, ExecutionContext context) {
    super(command, salesforceConnection, metadata, context);
  }

  @SuppressWarnings("unchecked")
  @Override
  public void execute() throws TranslatorException {
    UpdateVisitor visitor = new UpdateVisitor(getMetadata());
    visitor.visit((Update)command);
    String[] Ids = getIDs(((Update)command).getWhere(), visitor);

    if (null != Ids && Ids.length > 0) {
      List<JAXBElement> elements = new ArrayList<JAXBElement>();
      for (SetClause clause : ((Update)command).getChanges()) {
        ColumnReference element = clause.getSymbol();
        Column column = element.getMetadataObject();
        String val = ((Literal) clause.getValue()).toString();
        JAXBElement messageElem = new JAXBElement(new QName(column.getNameInSource()), stringClazz, Util.stripQutes(val));
        elements.add(messageElem);
      }

      List<DataPayload> updateDataList = new ArrayList<DataPayload>();
      for (int i = 0; i < Ids.length; i++) {
        DataPayload data = new DataPayload();
        data.setType(visitor.getTableName());
        data.setID(Ids[i]);
        data.setMessageElements(elements);
        updateDataList.add(data);
      }

      try {
        result = getConnection().update(updateDataList);
      } catch (ResourceException e) {
        throw new TranslatorException(e);
      }
    }
  }
}
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