Package org.pentaho.reporting.engine.classic.core.states.process

Source Code of org.pentaho.reporting.engine.classic.core.states.process.ReportDoneHandler

/*
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* 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 Lesser General Public License for more details.
*
* Copyright (c) 2001 - 2009 Object Refinery Ltd, Pentaho Corporation and Contributors..  All rights reserved.
*/

package org.pentaho.reporting.engine.classic.core.states.process;

import org.pentaho.reporting.engine.classic.core.ReportProcessingException;
import org.pentaho.reporting.engine.classic.core.event.ReportEvent;
import org.pentaho.reporting.engine.classic.core.function.Expression;
import org.pentaho.reporting.engine.classic.core.function.StructureFunction;
import org.pentaho.reporting.engine.classic.core.states.FunctionStorageKey;
import org.pentaho.reporting.engine.classic.core.states.LayoutProcess;
import org.pentaho.reporting.engine.classic.core.states.ReportState;
import org.pentaho.reporting.engine.classic.core.states.ReportStateKey;
import org.pentaho.reporting.engine.classic.core.states.datarow.DefaultFlowController;
import org.pentaho.reporting.engine.classic.core.states.datarow.ExpressionDataRow;
import org.pentaho.reporting.engine.classic.core.states.datarow.MasterDataRow;

/**
* Creation-Date: 03.07.2007, 13:57:49
*
* @author Thomas Morgner
*/
public class ReportDoneHandler implements AdvanceHandler
{
  public static final AdvanceHandler HANDLER = new ReportDoneHandler();

  private ReportDoneHandler()
  {
  }

  public int getEventCode()
  {
    return ReportEvent.REPORT_DONE;
  }

  public ProcessState advance(final ProcessState state) throws ReportProcessingException
  {
    final ProcessState next = state.deriveForAdvance();
    next.fireReportEvent();
    if (next.isSubReportEvent() && next.getLevel() == LayoutProcess.LEVEL_PAGINATE)
    {
      next.firePageFinishedEvent(true);
    }
    return next;
  }


  public ProcessState commit(final ProcessState state) throws ReportProcessingException
  {
    // better clone twice than to face the subtle errors that crawl out here..
    final ProcessState next = state.deriveForAdvance();
    final DefaultFlowController flowController = next.getFlowController();
    final MasterDataRow masterRow = flowController.getMasterRow();
    final ExpressionDataRow expressionDataRow = masterRow.getExpressionDataRow();
    final Expression[] expressions = expressionDataRow.getExpressions();

    if (next.isSubReportEvent())
    {
      next.setAdvanceHandler(EndSubReportHandler.HANDLER);
    }
    else
    {
      next.setAdvanceHandler(EndReportHandler.HANDLER);
    }
    final ReportStateKey parentStateKey;
    final ReportState parentState = next.getParentSubReportState();
    if (parentState == null)
    {
      parentStateKey = null;
    }
    else
    {
      parentStateKey = parentState.getProcessKey();
    }
    final FunctionStorageKey functionStorageKey =
        FunctionStorageKey.createKey(parentStateKey, next.getReport());
    next.getFunctionStorage().store (functionStorageKey, expressions, expressionDataRow.getColumnCount());
    final StructureFunction[] structureFunctions = next.getLayoutProcess().getCollectionFunctions();
    next.getStructureFunctionStorage().store(functionStorageKey, structureFunctions, structureFunctions.length);

    final DefaultFlowController pfc = flowController.performClearExportedParameters();
    final DefaultFlowController efc = pfc.deactivateExpressions();
    if (next.isSubReportEvent())
    {
      final DefaultFlowController qfcSr = efc.performReturnFromSubreport();
      next.setFlowController(qfcSr);
    }
    else
    {
      final DefaultFlowController qfc = efc.performReturnFromQuery();
      next.setFlowController(qfc);
    }
    return next;
  }

  public boolean isFinish()
  {
    return false;
  }

  public boolean isRestoreHandler()
  {
    return false;
  }
}
TOP

Related Classes of org.pentaho.reporting.engine.classic.core.states.process.ReportDoneHandler

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.