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Table.java
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Table.java
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/*
* Copyright 2011 Tyler Blair. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and contributors and should not be interpreted as representing official policies,
* either expressed or implied, of anybody else.
*/
package com.griefcraft.sql;
import com.griefcraft.lwc.LWC;
import com.griefcraft.sql.Database.Type;
import com.griefcraft.util.Statistics;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.List;
public class Table {
/**
* The columns in the table
*/
private List<Column> columns;
/**
* The database object associated with this table
*/
private Database database;
/**
* If this table is to be stored in memory
*/
private boolean memory;
/**
* The table's name
*/
private String name;
public Table(Database database, String name) {
this.database = database;
this.name = name;
columns = new ArrayList<Column>();
}
/**
* Add a column to the table
*
* @param column
*/
public void add(Column column) {
column.setTable(this);
columns.add(column);
}
/**
* Create the table
*/
public void execute() {
StringBuilder buffer = new StringBuilder("CREATE TABLE IF NOT EXISTS ");
// do the prefix, if we're using MySQL
String prefix = LWC.getInstance().getConfiguration().getString("database.prefix", "");
if (prefix == null) {
prefix = "";
}
// the table name
buffer.append(prefix).append(name);
buffer.append(" ( ");
// add the columns
for (int index = 0; index < columns.size(); index++) {
Column column = columns.get(index);
buffer.append(column.getName());
buffer.append(" ");
buffer.append(column.getType());
buffer.append(" ");
if (column.isPrimary()) {
buffer.append("PRIMARY KEY ");
}
if (column.shouldAutoIncrement() && database.getType() == Type.MySQL) {
buffer.append("AUTO_INCREMENT ");
}
if (!column.getDefaultValue().isEmpty()) {
buffer.append("DEFAULT ");
buffer.append(column.getDefaultValue());
buffer.append(" ");
}
// check if there's more columns in the stack
if (index != (columns.size() - 1)) {
buffer.append(",");
buffer.append(" ");
}
}
// finalize
buffer.append(" ) ");
// if we're using mysql, check if we're in memory
if (memory && database.getType() == Type.MySQL) {
buffer.append("ENGINE = MEMORY");
}
// end it
buffer.append(";");
// execute it directly to the database
Statement statement = null;
database.executeUpdateNoException(buffer.toString());
// database.log("Synched table " + prefix + name + " (" + columns.size() + " columns)");
// add the query to performance
Statistics.addQuery();
}
/**
* @return
*/
public boolean isInMemory() {
return memory;
}
/**
* Set if the table is in memory
*
* @param memory
*/
public void setMemory(boolean memory) {
this.memory = memory;
}
}