archive/net.sourceforge.phpeclipse.quantum.sql/src/com/quantum/actions/BaseExecuteAction.java

   1 package com.quantum.actions;
   2
   3 import java.io.IOException;
   4 import java.sql.Connection;
   5 import java.sql.SQLException;
   6 import java.util.List;
   7
   8 import com.quantum.ImageStore;
   9 import com.quantum.Messages;
  10 import com.quantum.model.Bookmark;
  11 import com.quantum.model.BookmarkCollection;
  12 import com.quantum.sql.MultiSQLServer;
  13 import com.quantum.sql.SQLResultSetCollection;
  14 import com.quantum.sql.SQLResultSetResults;
  15 import com.quantum.sql.SQLResults;
  16 import com.quantum.sql.SQLUpdateResults;
  17 import com.quantum.ui.dialog.ExceptionDisplayDialog;
  18 import com.quantum.ui.dialog.SimpleSelectionDialog;
  19 import com.quantum.util.connection.ConnectionUtil;
  20 import com.quantum.view.LogProxy;
  21 import com.quantum.view.tableview.TableView;
  22
  23 import org.eclipse.core.runtime.CoreException;
  24 import org.eclipse.core.runtime.IProgressMonitor;
  25 import org.eclipse.jface.action.Action;
  26 import org.eclipse.jface.action.IStatusLineManager;
  27 import org.eclipse.jface.dialogs.ErrorDialog;
  28 import org.eclipse.jface.dialogs.MessageDialog;
  29 import org.eclipse.jface.viewers.IStructuredSelection;
  30 import org.eclipse.swt.widgets.Shell;
  31
  32 /**
  33  * @author BC
  34  */
  35 public abstract class BaseExecuteAction extends Action {
  36
  37         class Metrics {
  38                 int resultCount = 0;
  39                 int resultUpdateCount = 0;
  40                 int errorCount = 0;
  41                 int resultsDisplayed = 0;
  42                 double queryDuration= 0.0;
  43
  44                 public void measure(SQLResults results) {
  45                         if (results == null) {
  46                                 errorCount++;
  47                         } else {
  48                                 queryDuration += results.getTime()/1000.0;
  49                                 resultCount++;
  50                                 if (results.isResultSet()) {
  51                                         resultsDisplayed++;
  52                                 } else {
  53                                         resultUpdateCount += ((SQLUpdateResults) results).getUpdateCount();
  54                                 }
  55                         }
  56                 }
  57
  58                 public boolean hasErrors() {
  59                         return this.errorCount > 0;
  60                 }
  61
  62                 Object[] getResults() {
  63                         return new Object[] {
  64                                 new Integer(this.resultCount),
  65                                 new Integer(this.resultUpdateCount),
  66                                 new Integer(this.resultsDisplayed),
  67                                 new Integer(this.errorCount),
  68                                 new Double(this.queryDuration),
  69                         };
  70                 }
  71         }
  72
  73     private ConnectionUtil connectionUtil = new ConnectionUtil();
  74
  75     protected abstract Shell getShell();
  76
  77     protected Connection getConnection(Bookmark bookmark) {
  78         return this.connectionUtil.getConnection(bookmark, getShell());
  79     }
  80
  81         String execute1 = Messages.getString(BaseExecuteAction.class, "execute1");
  82         String execute2 = Messages.getString(BaseExecuteAction.class, "execute2");
  83
  84         public void run() {
  85                 Bookmark bookmark = getBookmark();
  86                 if (bookmark != null) {
  87                 execute(bookmark);
  88                 }
  89         }
  90
  91         /**
  92          * @param bookmark
  93          */
  94         protected void execute(Bookmark bookmark) {
  95                 if (bookmark != null) {
  96                 try {
  97                                 getStatusLineManager().setErrorMessage(null);
  98                                 Connection connection = getConnection(bookmark);
  99                                 if (connection != null) {
 100                                         execute(bookmark, connection);
 101                                 }
 102                 } catch (IOException e) {
 103                     ExceptionDisplayDialog.openError(getShell(), null, null, e);
 104                 } catch (SQLException e) {
 105                     ExceptionDisplayDialog.openError(getShell(), null, null, e);
 106                 } catch (CoreException e) {
 107                     ErrorDialog.openError(getShell(), null, null, e.getStatus());
 108                 }
 109                 }
 110         }
 111
 112         /**
 113          * @param bookmark
 114          * @param connection
 115          * @throws IOException
 116          * @throws CoreException
 117          */
 118         protected void execute(Bookmark bookmark, Connection connection)
 119                         throws IOException, CoreException, SQLException {
 120                 getStatusLineManager().setMessage(execute1);
 121                 MultiSQLServer server = MultiSQLServer.getInstance();
 122
 123                 Metrics metrics = new Metrics();
 124
 125                 List queries = getQueries();
 126                 IProgressMonitor progressBar = getStatusLineManager().getProgressMonitor();
 127                 progressBar.beginTask("queries", queries.size());
 128                 for (int i = 0; i < queries.size(); i++) {
 129                         getStatusLineManager().setMessage((i % 2 == 0) ? execute1 : execute2);
 130
 131                         String query = (String) queries.get(i);
 132                         System.out.println(">" + query + "<"); //$NON-NLS-1$ //$NON-NLS-2$
 133                         if (query != null && query.trim().length() > 0) {
 134                                 SQLResults results = getSQLResults(bookmark, connection, server, query);
 135                                 metrics.measure(results);
 136                                 if (results != null) {
 137                                         bookmark.addQuery(query);
 138                                         if (results.isResultSet()) {
 139                                                 SQLResultSetCollection.getInstance().addSQLResultSet(
 140                                                                 (SQLResultSetResults) results);
 141                                                 activateTableView();
 142                                         }
 143                                 }
 144                     }
 145                         progressBar.worked(i);
 146                 }
 147                 progressBar.done();
 148                 displayFinalStatusMessage(metrics);
 149         }
 150
 151         /**
 152          *
 153          */
 154         private void activateTableView() {
 155                 TableView.getInstance();
 156         }
 157
 158         /**
 159          * @return
 160          * @throws CoreException
 161          * @throws IOException
 162          */
 163         protected abstract List getQueries() throws IOException, CoreException;
 164
 165         /**
 166          * @return
 167          */
 168         protected abstract IStatusLineManager getStatusLineManager();
 169
 170         /**
 171          * @param metrics
 172          */
 173         private void displayFinalStatusMessage(Metrics metrics) {
 174                 String message = Messages.getString(
 175                                 BaseExecuteAction.class,
 176                                 "done", //$NON-NLS-1$
 177                                 metrics.getResults());
 178                 if (metrics.hasErrors()) {
 179                         getStatusLineManager().setErrorMessage(
 180                                         ImageStore.getImage(ImageStore.STOP), message);
 181                 } else {
 182                         getStatusLineManager().setMessage(message);
 183                 }
 184         }
 185
 186         /**
 187          * @param connection
 188          * @param server
 189          * @param query
 190          * @return
 191          */
 192         private SQLResults getSQLResults(Bookmark bookmark, Connection connection, MultiSQLServer server, String query) {
 193                 SQLResults results = null;
 194                 try {
 195                         results = server.execute(bookmark, connection, query);
 196                 } catch (SQLException e) {
 197                         LogProxy log = LogProxy.getInstance();
 198                         log.addText(LogProxy.ERROR,
 199                                 "Error Executing: " + query + ":" + e.toString(), e); //$NON-NLS-1$ //$NON-NLS-2$
 200                         MessageDialog.openConfirm(getShell(),
 201                                         "Database returned error",
 202                                         e.getLocalizedMessage());  //$NON-NLS-1$
 203                 }
 204                 return results;
 205         }
 206
 207         protected Bookmark getBookmark() {
 208                 Bookmark bookmark = null;
 209                 SimpleSelectionDialog dialog = new SimpleSelectionDialog(
 210                                 getShell(),
 211                                 Messages.getString(BaseExecuteAction.class, "selectBookmark"),
 212                                 BookmarkCollection.getInstance().getBookmarks(),
 213                                 ImageStore.getImage(ImageStore.BOOKMARK));
 214                 if (SimpleSelectionDialog.OK == dialog.open()) {
 215                         IStructuredSelection selection = dialog.getSelection();
 216
 217                         bookmark = (Bookmark) selection.getFirstElement();
 218                 }
 219                 return bookmark;
 220         }
 221 }