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PhysDB.java
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PhysDB.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.cache.LRUCache;
import com.griefcraft.cache.ProtectionCache;
import com.griefcraft.lwc.LWC;
import com.griefcraft.model.Flag;
import com.griefcraft.model.History;
import com.griefcraft.model.Permission;
import com.griefcraft.model.Protection;
import com.griefcraft.modules.limits.LimitsModule;
import com.griefcraft.scripting.Module;
import com.griefcraft.util.UUIDRegistry;
import com.griefcraft.util.config.Configuration;
import org.bukkit.Bukkit;
import org.bukkit.Material;
import org.bukkit.entity.Player;
import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
import org.json.simple.parser.JSONParser;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.sql.Timestamp;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.UUID;
public class PhysDB extends Database {
/**
* The JSON Parser object
*/
private final JSONParser jsonParser = new JSONParser();
/**
* The database version
*/
private int databaseVersion = 0;
/**
* The number of protections that should exist
*/
private int protectionCount = 0;
public PhysDB() {
super();
}
public PhysDB(Type currentType) {
super(currentType);
}
/**
* Decrement the known protection counter
*/
public void decrementProtectionCount() {
protectionCount--;
}
/**
* Check if the protection cache has all of the known protections cached
*
* @return
*/
public boolean hasAllProtectionsCached() {
ProtectionCache cache = LWC.getInstance().getProtectionCache();
return cache.size() >= protectionCount;
}
/**
* Fetch an object from the sql database
*
* @param sql
* @param column
* @return
*/
private Object fetch(String sql, String column, Object... toBind) {
try {
int index = 1;
PreparedStatement statement = prepare(sql);
for (Object bind : toBind) {
statement.setObject(index, bind);
index++;
}
ResultSet set = statement.executeQuery();
if (set.next()) {
Object object = set.getObject(column);
set.close();
return object;
}
set.close();
} catch (Exception e) {
printException(e);
}
return null;
}
/**
* Get the total amount of protections
*
* @return the number of protections
*/
public int getProtectionCount() {
return Integer.decode(fetch(
"SELECT COUNT(*) AS count FROM " + prefix + "protections",
"count").toString());
}
/**
* Get the amount of protections for the given protection type
*
* @param type
* @return the number of protected chests
*/
public int getProtectionCount(Protection.Type type) {
return Integer
.decode(fetch(
"SELECT COUNT(*) AS count FROM " + prefix
+ "protections WHERE type = " + type.ordinal(),
"count").toString());
}
/**
* @return the number of history items stored
*/
public int getHistoryCount() {
return Integer.decode(fetch(
"SELECT COUNT(*) AS count FROM " + prefix + "history", "count")
.toString());
}
/**
* Get the amount of protections a player has
*
* @param player
* @return the amount of protections they have
*/
public int getProtectionCount(String player) {
int count = 0;
try {
PreparedStatement statement = prepare("SELECT COUNT(*) as count FROM "
+ prefix + "protections WHERE owner = ?");
UUID uuid = UUIDRegistry.getUUID(player);
statement.setString(1, uuid != null ? uuid.toString() : player);
ResultSet set = statement.executeQuery();
if (set.next()) {
count = set.getInt("count");
}
set.close();
} catch (SQLException e) {
printException(e);
}
return count;
}
/**
* Get the amount of protections a player has
*
* @param player
* @return the amount of protections they have
*/
public int getHistoryCount(String player) {
int count = 0;
try {
PreparedStatement statement = prepare("SELECT COUNT(*) AS count FROM "
+ prefix + "history WHERE LOWER(player) = LOWER(?)");
UUID uuid = UUIDRegistry.getUUID(player);
statement.setString(1, uuid != null ? uuid.toString() : player);
ResultSet set = statement.executeQuery();
if (set.next()) {
count = set.getInt("count");
}
set.close();
} catch (SQLException e) {
printException(e);
}
return count;
}
/**
* Get the amount of chests a player has of a specific block id
*
* @param player
* @return the amount of protections they have of blockId
*/
public int getProtectionCount(String player, int blockId) {
int count = 0;
try {
PreparedStatement statement = prepare("SELECT COUNT(*) AS count FROM "
+ prefix + "protections WHERE owner = ? AND blockId = ?");
UUID uuid = UUIDRegistry.getUUID(player);
statement.setString(1, uuid != null ? uuid.toString() : player);
statement.setInt(2, blockId);
ResultSet set = statement.executeQuery();
if (set.next()) {
count = set.getInt("count");
}
set.close();
} catch (SQLException e) {
printException(e);
}
return count;
}
/**
* Get the menu style for a player
*
* @param player
* @return
* @deprecated
*/
public String getMenuStyle(String player) {
return "basic";
}
/**
* Load the database and do any updating required or create the tables
*/
@Override
public void load() {
if (loaded) {
return;
}
/**
* Updates that alter or rename a table go here
*/
doUpdate301();
doUpdate302();
doUpdate330();
doUpdate400_1();
doUpdate400_4();
doUpdate400_4();
doUpdate400_5();
doUpdate400_6();
Column column;
Table protections = new Table(this, "protections");
{
column = new Column("id");
column.setType("INTEGER");
column.setPrimary(true);
protections.add(column);
column = new Column("owner");
column.setType("VARCHAR(255)");
protections.add(column);
column = new Column("type");
column.setType("INTEGER");
protections.add(column);
column = new Column("x");
column.setType("INTEGER");
protections.add(column);
column = new Column("y");
column.setType("INTEGER");
protections.add(column);
column = new Column("z");
column.setType("INTEGER");
protections.add(column);
column = new Column("flags");
column.setType("INTEGER");
protections.add(column);
column = new Column("data");
column.setType("TEXT");
protections.add(column);
column = new Column("blockId");
column.setType("INTEGER");
protections.add(column);
column = new Column("world");
column.setType("VARCHAR(255)");
protections.add(column);
column = new Column("password");
column.setType("VARCHAR(255)");
protections.add(column);
column = new Column("date");
column.setType("VARCHAR(255)");
protections.add(column);
column = new Column("last_accessed");
column.setType("INTEGER");
protections.add(column);
}
Table history = new Table(this, "history");
{
column = new Column("id");
column.setType("INTEGER");
column.setPrimary(true);
history.add(column);
column = new Column("protectionId");
column.setType("INTEGER");
history.add(column);
column = new Column("player");
column.setType("VARCHAR(255)");
history.add(column);
column = new Column("x");
column.setType("INTEGER");
history.add(column);
column = new Column("y");
column.setType("INTEGER");
history.add(column);
column = new Column("z");
column.setType("INTEGER");
history.add(column);
column = new Column("type");
column.setType("INTEGER");
history.add(column);
column = new Column("status");
column.setType("INTEGER");
history.add(column);
column = new Column("metadata");
column.setType("VARCHAR(255)");
history.add(column);
column = new Column("timestamp");
column.setType("long");
history.add(column);
}
Table internal = new Table(this, "internal");
{
column = new Column("name");
column.setType("VARCHAR(40)");
column.setPrimary(true);
column.setAutoIncrement(false);
internal.add(column);
column = new Column("value");
column.setType("VARCHAR(40)");
internal.add(column);
}
protections.execute();
history.execute();
internal.execute();
// Load the database version
loadDatabaseVersion();
// perform database upgrades
performDatabaseUpdates();
// get the amount of protections
protectionCount = getProtectionCount();
loaded = true;
}
/**
* Perform any database updates
*/
@SuppressWarnings("deprecation")
public void performDatabaseUpdates() {
LWC lwc = LWC.getInstance();
// Indexes
if (databaseVersion == 0) {
// Drop old, old indexes
log("Dropping old indexes (One time, may take a while!)");
dropIndex("protections", "in1");
dropIndex("protections", "in6");
dropIndex("protections", "in7");
dropIndex("history", "in8");
dropIndex("history", "in9");
dropIndex("protections", "in10");
dropIndex("history", "in12");
dropIndex("history", "in13");
dropIndex("history", "in14");
// Create our updated (good) indexes
log("Creating new indexes (One time, may take a while!)");
createIndex("protections", "protections_main", "x, y, z, world");
createIndex("protections", "protections_utility", "owner");
createIndex("history", "history_main", "protectionId");
createIndex("history", "history_utility", "player");
createIndex("history", "history_utility2", "x, y, z");
// increment the database version
incrementDatabaseVersion();
}
if (databaseVersion == 1) {
log("Creating index on internal");
createIndex("internal", "internal_main", "name");
incrementDatabaseVersion();
}
if (databaseVersion == 2) {
doUpdate400_2();
incrementDatabaseVersion();
}
if (databaseVersion == 3) {
createIndex("protections", "protections_type", "type");
incrementDatabaseVersion();
}
if (databaseVersion == 4) {
List<String> blacklistedBlocks = lwc.getConfiguration()
.getStringList("optional.blacklistedBlocks",
new ArrayList<String>());
if (!blacklistedBlocks.contains("154")) {
blacklistedBlocks
.add(Integer.toString(Material.HOPPER.getId()));
lwc.getConfiguration().setProperty(
"optional.blacklistedBlocks", blacklistedBlocks);
lwc.getConfiguration().save();
Configuration.reload();
lwc.log("Added Hoppers to Blacklisted Blocks in core.yml (optional.blacklistedBlocks)");
lwc.log("This means that Hoppers CANNOT be placed around protections a player does not have access to");
lwc.log("If you DO NOT want this feature, simply remove "
+ Material.HOPPER.getId()
+ " (Hoppers) from blacklistedBlocks :-)");
}
incrementDatabaseVersion();
}
if (databaseVersion == 5) {
boolean foundTrappedChest = false;
for (String key : lwc.getConfiguration()
.getNode("protections.blocks").getKeys(null)) {
if (key.equalsIgnoreCase("trapped_chest")
|| key.equals(Integer.toString(Material.TRAPPED_CHEST
.getId()))) {
foundTrappedChest = true;
break;
}
}
if (!foundTrappedChest) {
lwc.getConfiguration().setProperty(
"protections.blocks.trapped_chest.enabled", true);
lwc.getConfiguration().setProperty(
"protections.blocks.trapped_chest.autoRegister",
"private");
lwc.getConfiguration().save();
Configuration.reload();
lwc.log("Added Trapped Chests to core.yml as default protectable (ENABLED & AUTO REGISTERED)");
lwc.log("Trapped chests are nearly the same as reg chests but can light up! They can also be double chests.");
lwc.log("If you DO NOT want this as protected, simply remove it from core.yml! (search/look for trapped_chests under protections -> blocks");
}
incrementDatabaseVersion();
}
}
/**
* Increment the database version
*/
public void incrementDatabaseVersion() {
setDatabaseVersion(++databaseVersion);
}
/**
* Set the database version and sync it to the database
*
* @param databaseVersion
*/
public void setDatabaseVersion(int databaseVersion) {
// set it locally
this.databaseVersion = databaseVersion;
// ship it to the database
try {
PreparedStatement statement = prepare("UPDATE " + prefix
+ "internal SET value = ? WHERE name = ?");
statement.setInt(1, databaseVersion);
statement.setString(2, "version");
// ok
statement.executeUpdate();
} catch (SQLException e) {
}
}
/**
* Get a value in the internal table
*
* @param key
* @return the value found, otherwise NULL if none exists
*/
public String getInternal(String key) {
try {
PreparedStatement statement = prepare("SELECT value FROM " + prefix
+ "internal WHERE name = ?");
statement.setString(1, key);
ResultSet set = statement.executeQuery();
if (set.next()) {
String value = set.getString("value");
set.close();
return value;
}
set.close();
} catch (SQLException e) {
printException(e);
}
return null;
}
/**
* Set a value in the internal table
*
* @param key
* @param value
*/
public void setInternal(String key, String value) {
try {
PreparedStatement statement = prepare("INSERT INTO " + prefix
+ "internal (name, value) VALUES (?, ?)");
statement.setString(1, key);
statement.setString(2, value);
statement.executeUpdate();
} catch (SQLException e) {
// Already exists
try {
PreparedStatement statement = prepare("UPDATE " + prefix
+ "internal SET value = ? WHERE name = ?");
statement.setString(1, value);
statement.setString(2, key);
statement.executeUpdate();
} catch (SQLException ex) {
// Something bad went wrong
printException(ex);
}
}
}
/**
* Load the database internal version
*
* @return
*/
public int loadDatabaseVersion() {
try {
PreparedStatement statement = prepare("SELECT value FROM " + prefix
+ "internal WHERE name = ?");
statement.setString(1, "version");
// Execute it
ResultSet set = statement.executeQuery();
// load the version
if (set.next()) {
databaseVersion = Integer.parseInt(set.getString("value"));
} else {
throw new IllegalStateException("Internal is empty");
}
// close everything
set.close();
} catch (Exception e) {
// Doesn't exist, create it
try {
PreparedStatement statement = prepare("INSERT INTO " + prefix
+ "internal (name, value) VALUES(?, ?)");
statement.setString(1, "version");
statement.setInt(2, databaseVersion);
// ok
statement.executeUpdate();
} catch (SQLException ex) {
}
}
return databaseVersion;
}
/**
* Load a protection with the given id
*
* @param id
* @return the Chest object
*/
public Protection loadProtection(int id) {
// the protection cache
ProtectionCache cache = LWC.getInstance().getProtectionCache();
// check if the protection is already cached
Protection cached = cache.getProtectionById(id);
if (cached != null) {
return cached;
}
try {
PreparedStatement statement = prepare("SELECT id, owner, type, x, y, z, data, blockId, world, password, date, last_accessed FROM "
+ prefix + "protections WHERE id = ?");
statement.setInt(1, id);
Protection protection = resolveProtection(statement);
if (protection != null) {
cache.addProtection(protection);
return protection;
}
} catch (SQLException e) {
printException(e);
}
return null;
}
/**
* Load protections using a specific type
*
* @param type
* @return the Protection object
*/
public List<Protection> loadProtectionsUsingType(Protection.Type type) {
try {
PreparedStatement statement = prepare("SELECT id, owner, type, x, y, z, data, blockId, world, password, date, last_accessed FROM "
+ prefix + "protections WHERE type = ?");
statement.setInt(1, type.ordinal());
return resolveProtections(statement);
} catch (SQLException e) {
printException(e);
}
return new ArrayList<Protection>();
}
/**
* Resolve one protection from a ResultSet. The ResultSet is not closed.
*
* @param set
* @return
*/
@SuppressWarnings("unchecked")
public Protection resolveProtection(ResultSet set) {
try {
Protection protection = new Protection();
int protectionId = set.getInt("id");
int x = set.getInt("x");
int y = set.getInt("y");
int z = set.getInt("z");
int blockId = set.getInt("blockId");
int type = set.getInt("type");
String world = set.getString("world");
String owner = set.getString("owner");
String password = set.getString("password");
String date = set.getString("date");
long lastAccessed = set.getLong("last_accessed");
protection.setId(protectionId);
protection.setX(x);
protection.setY(y);
protection.setZ(z);
protection.setBlockId(blockId);
protection.setType(Protection.Type.values()[type]);
protection.setWorld(world);
protection.setOwner(owner);
protection.setPassword(password);
protection.setCreation(date);
protection.setLastAccessed(lastAccessed);
// check for oh so beautiful data!
String data = set.getString("data");
if (data == null || data.trim().isEmpty()) {
return protection;
}
// rev up them JSON parsers!
Object object = null;
try {
object = jsonParser.parse(data);
} catch (Exception e) {
return protection;
} catch (Error e) {
return protection;
}
if (!(object instanceof JSONObject)) {
return protection;
}
// obtain the root
JSONObject root = (JSONObject) object;
protection.getData().putAll(root);
// Attempt to parse rights
Object rights = root.get("rights");
if (rights != null && (rights instanceof JSONArray)) {
JSONArray array = (JSONArray) rights;
for (Object node : array) {
// we only want to use the maps
if (!(node instanceof JSONObject)) {
continue;
}
JSONObject map = (JSONObject) node;
// decode the map
Permission permission = Permission.decodeJSON(map);
// bingo!
if (permission != null) {
protection.addPermission(permission);
}
}
}
// Attempt to parse flags
Object flags = root.get("flags");
if (flags != null && (rights instanceof JSONArray)) {
JSONArray array = (JSONArray) flags;
for (Object node : array) {
if (!(node instanceof JSONObject)) {
continue;
}
JSONObject map = (JSONObject) node;
Flag flag = Flag.decodeJSON(map);
if (flag != null) {
protection.addFlag(flag);
}
}
}
return protection;
} catch (SQLException e) {
printException(e);
return null;
}
}
/**
* Resolve every protection from a result set
*
* @param set
* @return
*/
private List<Protection> resolveProtections(ResultSet set) {
List<Protection> protections = new ArrayList<Protection>();
try {
while (set.next()) {
Protection protection = resolveProtection(set);
if (protection != null) {
protections.add(protection);
}
}
} catch (SQLException e) {
printException(e);
}
return protections;
}
/**
* Resolve a list of protections from a statement
*
* @param statement
* @return
*/
private List<Protection> resolveProtections(PreparedStatement statement) {
List<Protection> protections = new ArrayList<Protection>();
ResultSet set = null;
try {
set = statement.executeQuery();
protections = resolveProtections(set);
} catch (SQLException e) {
printException(e);
} finally {
if (set != null) {
try {
set.close();
} catch (SQLException e) {
}
}
}
return protections;
}
/**
* Resolve the first protection from a statement
*
* @param statement
* @return
*/
private Protection resolveProtection(PreparedStatement statement) {
List<Protection> protections = resolveProtections(statement);
if (protections.size() == 0) {
return null;
}
return protections.get(0);
}
/**
* Fill the protection cache as much as possible with protections Caches the
* most recent protections
*/
public void precache() {
LWC lwc = LWC.getInstance();
ProtectionCache cache = lwc.getProtectionCache();
// clear the cache incase we're working on a dirty cache
cache.clear();
int precacheSize = lwc.getConfiguration().getInt("core.precache", -1);
if (precacheSize == -1) {
precacheSize = lwc.getConfiguration().getInt("core.cacheSize",
10000);
}
try {
PreparedStatement statement = prepare("SELECT id, owner, type, x, y, z, data, blockId, world, password, date, last_accessed FROM "
+ prefix + "protections ORDER BY id DESC LIMIT ?");
statement.setInt(1, precacheSize);
statement.setFetchSize(10);
// scrape the protections from the result set now
List<Protection> protections = resolveProtections(statement);
// throw all of the protections in
for (Protection protection : protections) {
cache.addProtection(protection);
}
} catch (SQLException e) {
printException(e);
}
}
/**
* Load a protection at the given coordinates
*
* @param x
* @param y
* @param z
* @return the Protection object
*/
public Protection loadProtection(String worldName, int x, int y, int z) {
return loadProtection(worldName, x, y, z, false);
}
/**
* Load a protection at the given coordinates
*
* @param x
* @param y
* @param z
* @param ignoreProtectionCount
* @return the Protection object
*/
private Protection loadProtection(String worldName, int x, int y, int z,
boolean ignoreProtectionCount) {
// the unique key to use in the cache
String cacheKey = worldName + ":" + x + ":" + y + ":" + z;
// the protection cache
ProtectionCache cache = LWC.getInstance().getProtectionCache();
// check if the protection is already cached
Protection cached = cache.getProtection(cacheKey);
if (cached != null) {
// System.out.println("loadProtection() => CACHE HIT");
return cached;
}
// Is it possible that there are protections in the cache?
if (!ignoreProtectionCount && hasAllProtectionsCached()) {
// System.out.println("loadProtection() => HAS_ALL_PROTECTIONS_CACHED");
return null; // nothing was in the cache, nothing assumed to be in
// the database
}
// System.out.println("loadProtection() => QUERYING");
try {
PreparedStatement statement = prepare("SELECT id, owner, type, x, y, z, data, blockId, world, password, date, last_accessed FROM "
+ prefix
+ "protections WHERE x = ? AND y = ? AND z = ? AND world = ?");
statement.setInt(1, x);
statement.setInt(2, y);
statement.setInt(3, z);
statement.setString(4, worldName);
Protection protection = resolveProtection(statement);
if (protection != null) {
// cache the protection
cache.addProtection(protection);
}
return protection;
} catch (SQLException e) {
printException(e);
}
return null;
}
/**
* Load all protections (use sparingly !!)
*
* @return
*/
public List<Protection> loadProtections() {
try {
PreparedStatement statement = prepare("SELECT id, owner, type, x, y, z, data, blockId, world, password, date, last_accessed FROM "
+ prefix + "protections");
return resolveProtections(statement);
} catch (Exception e) {
printException(e);
}