143 lines
4.8 KiB
Java
143 lines
4.8 KiB
Java
/*******************************************************************************
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* Copyright (c) 2015-2021 MINRES Technologies GmbH and others.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* MINRES Technologies GmbH - initial API and implementation
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*******************************************************************************/
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package com.minres.scviewer.database.sqlite;
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import java.beans.IntrospectionException;
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import java.beans.PropertyChangeListener;
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import java.beans.PropertyChangeSupport;
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import java.io.File;
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import java.lang.reflect.InvocationTargetException;
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import java.sql.SQLException;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.List;
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import com.minres.scviewer.database.IWaveform;
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import com.minres.scviewer.database.IWaveformDbLoader;
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import com.minres.scviewer.database.InputFormatException;
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import com.minres.scviewer.database.RelationType;
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import com.minres.scviewer.database.sqlite.db.IDatabase;
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import com.minres.scviewer.database.sqlite.db.SQLiteDatabase;
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import com.minres.scviewer.database.sqlite.db.SQLiteDatabaseSelectHandler;
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import com.minres.scviewer.database.sqlite.tables.ScvSimProps;
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import com.minres.scviewer.database.sqlite.tables.ScvStream;
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import com.minres.scviewer.database.sqlite.tables.ScvTxEvent;
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public class SQLiteDbLoader implements IWaveformDbLoader {
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protected IDatabase database;
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private List<RelationType> usedRelationsList = new ArrayList<>();
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private ScvSimProps scvSimProps;
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/** The pcs. */
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protected PropertyChangeSupport pcs = new PropertyChangeSupport(this);
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@Override
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public long getMaxTime() {
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SQLiteDatabaseSelectHandler<ScvTxEvent> handler = new SQLiteDatabaseSelectHandler<>(ScvTxEvent.class,
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database, "time = (SELECT MAX(time) FROM ScvTxEvent)");
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try {
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List<ScvTxEvent> event = handler.selectObjects();
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if(!event.isEmpty())
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return event.get(0).getTime()*scvSimProps.getTime_resolution();
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} catch (SecurityException | IllegalArgumentException | InstantiationException | IllegalAccessException
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| InvocationTargetException | SQLException | IntrospectionException | NoSuchMethodException e) {
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e.printStackTrace();
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}
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return 0L;
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}
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@Override
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public Collection<IWaveform> getAllWaves() {
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SQLiteDatabaseSelectHandler<ScvStream> handler = new SQLiteDatabaseSelectHandler<>(ScvStream.class, database);
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List<IWaveform> streams=new ArrayList<>();
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try {
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for(ScvStream scvStream:handler.selectObjects()){
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TxStream stream = new TxStream(database, scvStream);
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stream.setRelationTypeList(usedRelationsList);
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streams.add(stream);
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}
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} catch (SecurityException | IllegalArgumentException | InstantiationException | IllegalAccessException
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| InvocationTargetException | SQLException | IntrospectionException | NoSuchMethodException e) {
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}
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return streams;
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}
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// @Override
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// public boolean canLoad(File inputFile) {
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// if (!inputFile.isDirectory() && inputFile.exists()) {
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// try(InputStream stream = new FileInputStream(inputFile)){
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// byte[] buffer = new byte[x.length];
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// int readCnt = stream.read(buffer, 0, x.length);
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// if (readCnt == x.length) {
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// for (int i = 0; i < x.length; i++)
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// if (buffer[i] != x[i])
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// return false;
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// }
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// return true;
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// } catch (Exception e) {
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// return false;
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// }
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// }
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// return false;
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// }
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@Override
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public void load(File file) throws InputFormatException {
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database=new SQLiteDatabase(file.getAbsolutePath());
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database.setData("TIMERESOLUTION", 1L);
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SQLiteDatabaseSelectHandler<ScvSimProps> handler = new SQLiteDatabaseSelectHandler<>(ScvSimProps.class, database);
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try {
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for(ScvSimProps simProps:handler.selectObjects()){
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scvSimProps=simProps;
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database.setData("TIMERESOLUTION", scvSimProps.getTime_resolution());
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}
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pcs.firePropertyChange(IWaveformDbLoader.LOADING_FINISHED, null, null);
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} catch (SecurityException | IllegalArgumentException | InstantiationException | IllegalAccessException
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| InvocationTargetException | SQLException | IntrospectionException | NoSuchMethodException e) {
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throw new InputFormatException(e.toString());
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}
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}
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public void dispose() {
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database=null;
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usedRelationsList=null;
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}
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@Override
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public Collection<RelationType> getAllRelationTypes(){
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return usedRelationsList;
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}
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/**
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* Adds the property change listener.
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*
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* @param l the l
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*/
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@Override
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public void addPropertyChangeListener(PropertyChangeListener l) {
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pcs.addPropertyChangeListener(l);
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}
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/**
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* Removes the property change listener.
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*
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* @param l the l
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*/
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@Override
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public void removePropertyChangeListener(PropertyChangeListener l) {
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pcs.removePropertyChangeListener(l);
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}
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}
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