net.geoprism.oda.driver.ui.editors.MetadataRetriverRunnable.java Source code

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Here is the source code for net.geoprism.oda.driver.ui.editors.MetadataRetriverRunnable.java

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/**
 * Copyright (c) 2015 TerraFrame, Inc. All rights reserved.
 *
 * This file is part of Runway SDK(tm).
 *
 * Runway SDK(tm) is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * Runway SDK(tm) 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.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with Runway SDK(tm).  If not, see <http://www.gnu.org/licenses/>.
 */
package net.geoprism.oda.driver.ui.editors;

import java.lang.reflect.InvocationTargetException;

import net.geoprism.oda.driver.ui.GeoprismPlugin;
import net.geoprism.oda.driver.ui.util.Constants;

import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.datatools.connectivity.oda.IConnection;
import org.eclipse.datatools.connectivity.oda.IParameterMetaData;
import org.eclipse.datatools.connectivity.oda.IQuery;
import org.eclipse.datatools.connectivity.oda.IResultSetMetaData;
import org.eclipse.jface.operation.IRunnableWithProgress;

public class MetadataRetriverRunnable implements IRunnableWithProgress {
    private IConnection conn;

    private String queryText;

    private IResultSetMetaData queryMetadata;

    private IParameterMetaData parameterMetadata;

    private Throwable throwable;

    public MetadataRetriverRunnable(IConnection conn, String queryText) {
        super();
        this.conn = conn;
        this.queryText = queryText;
    }

    @Override
    public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
        try {
            monitor.beginTask(GeoprismPlugin.getResourceString("retrieving.metadata"), IProgressMonitor.UNKNOWN);

            IQuery query = conn.newQuery(null);
            query.prepare(queryText);
            query.setProperty(Constants.METADATA_QUERY, "true");

            query.executeQuery();

            this.queryMetadata = query.getMetaData();
            this.parameterMetadata = query.getParameterMetaData();
        } catch (Throwable t) {
            this.throwable = t;
        }
    }

    public IResultSetMetaData getMetadata() {
        return queryMetadata;
    }

    public Throwable getThrowable() {
        return throwable;
    }

    public IParameterMetaData getParameterMetadata() {
        return this.parameterMetadata;
    }
}