105 lines
3.0 KiB
Java
105 lines
3.0 KiB
Java
/*******************************************************************************
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* Copyright (c) 2015 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.db;
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import java.beans.IntrospectionException;
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import java.beans.PropertyDescriptor;
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import java.lang.reflect.Field;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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import java.sql.Connection;
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import java.sql.PreparedStatement;
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import java.sql.SQLException;
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import java.util.List;
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/**
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*
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* Class that inserts a list of <T>s into the corresponding database-table.
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*
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* @author Tino for http://www.java-blog.com
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*
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* @param <T>
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*/
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public class SQLiteDatabaseInsertHandler<T> extends AbstractDatabaseHandler<T> {
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public SQLiteDatabaseInsertHandler(Class<T> type,
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IDatabase databaseConnecter) {
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super(type, databaseConnecter, null);
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}
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@Override
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protected String createQuery(String criterion) {
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StringBuilder sb = new StringBuilder();
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sb.append("INSERT INTO ");
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sb.append(type.getSimpleName());
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sb.append("(");
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sb.append(super.getColumns(false));
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sb.append(")");
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sb.append(" VALUES (");
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sb.append(super.getColumns(true));
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sb.append(")");
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return sb.toString();
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}
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/**
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* Inserts a list of <T>s into the corresponding database-table
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*
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* @param list
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* List of <T>s that should be inserted into the corresponding
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* database-table
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*
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* @throws SQLException
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* @throws SecurityException
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* @throws IllegalArgumentException
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* @throws InstantiationException
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* @throws IllegalAccessException
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* @throws IntrospectionException
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* @throws InvocationTargetException
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*/
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public void insertObjects(List<T> list) throws SQLException,
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SecurityException, IllegalArgumentException,
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InstantiationException, IllegalAccessException,
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IntrospectionException, InvocationTargetException {
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Connection connection = null;
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PreparedStatement preparedStatement = null;
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try {
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connection = databaseConnectionFactory.createConnection();
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preparedStatement = connection.prepareStatement(query);
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for (T instance : list) {
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int i = 0;
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for (Field field : type.getDeclaredFields()) {
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PropertyDescriptor propertyDescriptor = new PropertyDescriptor(
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field.getName(), type);
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Method method = propertyDescriptor
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.getReadMethod();
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Object value = method.invoke(instance);
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preparedStatement.setObject(++i, value);
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}
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preparedStatement.addBatch();
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}
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preparedStatement.executeBatch();
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} finally {
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databaseConnectionFactory.close(preparedStatement, connection);
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}
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}
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}
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