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Removed some duplicated code and improved readability

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This commit is contained in:
szumielxd 2024-07-24 14:08:08 +02:00
parent 110f3982ad
commit 2dc1f70f4f
Signed by: szumielxd
GPG Key ID: 5D0CCFC4CB110524
1 changed files with 73 additions and 80 deletions
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121
src/main/java/com/btk5h/skriptdb/skript/EffExecuteStatement.java
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@ -51,104 +51,79 @@ public class EffExecuteStatement extends Effect {
static {
Skript.registerEffect(EffExecuteStatement.class,
"execute %string% (in|on) %datasource% " +
"[with arg[ument][s] %-objects%] [and store [[the] (output|result)[s]] (to|in) [the] [var[iable]] %-objects%]",
"quickly execute %string% (in|on) %datasource% " +
"[quickly:quickly] execute %string% (in|on) %datasource% " +
"[with arg[ument][s] %-objects%] [and store [[the] (output|result)[s]] (to|in) [the] [var[iable]] %-objects%]");
}
private Expression<String> query;
private Expression<HikariDataSource> dataSource;
private Expression<Object> queryArguments;
private VariableString var;
private VariableString resultVariableName;
private boolean isLocal;
private boolean isList;
private boolean quickly;
private boolean isSync = false;
private void continueScriptExecution(Event e, Object populatedVariables) {
lastError = null;
if (populatedVariables instanceof String) {
lastError = (String) populatedVariables;
} else {
if (getNext() != null) {
((Map<String, Object>) populatedVariables).forEach((name, value) -> setVariable(e, name, value));
}
}
TriggerItem.walk(getNext(), e);
}
@Override
protected void execute(Event e) {
DataSource ds = dataSource.getSingle(e);
Pair<String, List<Object>> query = parseQuery(e);
String baseVariable = var != null ? var.toString(e).toLowerCase(Locale.ENGLISH) : null;
//if data source isn't set
if (ds == null) return;
if (ds == null) {
return;
}
Pair<String, List<Object>> parsedQuery = parseQuery(e);
String baseVariable = resultVariableName != null ? resultVariableName.toString(e).toLowerCase(Locale.ENGLISH) : null;
Object locals = Variables.removeLocals(e);
//execute SQL statement
if (Bukkit.isPrimaryThread()) {
CompletableFuture<Object> sql = CompletableFuture.supplyAsync(() -> executeStatement(ds, baseVariable, query), threadPool);
sql.whenComplete((res, err) -> {
if (err != null) {
err.printStackTrace();
}
CompletableFuture.supplyAsync(() -> executeStatement(ds, baseVariable, parsedQuery), threadPool)
.whenComplete((resources, err) -> {
//handle last error syntax data
lastError = null;
if (res instanceof String) {
lastError = (String) res;
resetLastSQLError();
if (err instanceof SkriptDBQueryException) {
setLastSQLError(err.getMessage());
}
//if local variables are present
//bring back local variables
//populate SQL data into variables
if (!quickly) {
Bukkit.getScheduler().runTask(SkriptDB.getInstance(), () -> {
if (locals != null && getNext() != null) {
Variables.setLocalVariables(e, locals);
}
if (!(res instanceof String)) {
((Map<String, Object>) res).forEach((name, value) -> setVariable(e, name, value));
}
TriggerItem.walk(getNext(), e);
//the line below is required to prevent memory leaks
Variables.removeLocals(e);
});
Bukkit.getScheduler().runTask(SkriptDB.getInstance(),
() -> postExecution(e, locals, resources));
} else {
if (locals != null && getNext() != null) {
Variables.setLocalVariables(e, locals);
}
if (!(res instanceof String)) {
((Map<String, Object>) res).forEach((name, value) -> setVariable(e, name, value));
}
TriggerItem.walk(getNext(), e);
//the line below is required to prevent memory leaks
Variables.removeLocals(e);
postExecution(e, locals, resources);
}
});
// sync executed SQL query, same as above, just sync
} else {
isSync = true;
Object resources = executeStatement(ds, baseVariable, query);
Map<String, Object> resources = null;
try {
resources = executeStatement(ds, baseVariable, parsedQuery);
resetLastSQLError();
} catch (SkriptDBQueryException err) {
//handle last error syntax data
lastError = null;
if (resources instanceof String) {
lastError = (String) resources;
setLastSQLError(err.getMessage());
}
//if local variables are present
//bring back local variables
//populate SQL data into variables
postExecution(e, locals, resources);
}
}
private void postExecution(Event e, Object locals, Map<String, Object> resources) {
if (locals != null && getNext() != null) {
Variables.setLocalVariables(e, locals);
}
if (!(resources instanceof String)) {
((Map<String, Object>) resources).forEach((name, value) -> setVariable(e, name, value));
if (resources != null) {
resources.forEach((name, value) -> setVariable(e, name, value));
}
TriggerItem.walk(getNext(), e);
//the line below is required to prevent memory leaks
Variables.removeLocals(e);
}
}
@Override
protected TriggerItem walk(Event e) {
@ -215,9 +190,9 @@ public class EffExecuteStatement extends Effect {
}
}
private Object executeStatement(DataSource ds, String baseVariable, Pair<String, List<Object>> query) {
private Map<String, Object> executeStatement(DataSource ds, String baseVariable, Pair<String, List<Object>> query) throws SkriptDBQueryException {
if (ds == null) {
return "Data source is not set";
throw new SkriptDBQueryException("Data source is not set");
}
try (Connection conn = ds.getConnection()) {
try (PreparedStatement stmt = createStatement(conn, query)) {
@ -229,11 +204,11 @@ public class EffExecuteStatement extends Effect {
return Map.of();
}
} catch (SQLException ex) {
return ex.getMessage();
throw new SkriptDBQueryException(ex.getMessage());
}
}
private Object processBaseVariable(String baseVariable, PreparedStatement stmt, boolean hasResultSet) throws SQLException {
private Map<String, Object> processBaseVariable(String baseVariable, PreparedStatement stmt, boolean hasResultSet) throws SQLException {
Map<String, Object> variableList = new HashMap<>();
if (isList) {
baseVariable = baseVariable.substring(0, baseVariable.length() - 1);
@ -306,7 +281,7 @@ public class EffExecuteStatement extends Effect {
//fix mediumblob and similar column types, so they return a String correctly
if (obj != null) {
if (obj.getClass().getName().equals("[B")) {
if (obj instanceof byte[]) {
obj = new String((byte[]) obj);
//in some servers instead of being byte array, it appears as SerialBlob (depends on mc version, 1.12.2 is bvte array, 1.16.5 SerialBlob)
@ -321,6 +296,14 @@ public class EffExecuteStatement extends Effect {
Variables.setVariable(name.toLowerCase(Locale.ENGLISH), obj, e, isLocal);
}
private static void resetLastSQLError() {
lastError = null;
}
private static void setLastSQLError(String error) {
lastError = error;
}
@Override
public String toString(Event e, boolean debug) {
return "execute " + query.toString(e, debug) + " in " + dataSource.toString(e, debug);
@ -328,8 +311,7 @@ public class EffExecuteStatement extends Effect {
@SuppressWarnings("unchecked")
@Override
public boolean init(Expression<?>[] exprs, int matchedPattern, Kleenean isDelayed,
SkriptParser.ParseResult parseResult) {
public boolean init(Expression<?>[] exprs, int matchedPattern, Kleenean isDelayed, SkriptParser.ParseResult parseResult) {
Expression<String> statementExpr = (Expression<String>) exprs[0];
if (statementExpr instanceof VariableString || statementExpr instanceof ExprUnsafe) {
query = statementExpr;
@ -347,10 +329,10 @@ public class EffExecuteStatement extends Effect {
queryArguments = (Expression<Object>) exprs[2];
}
Expression<?> resultHolder = exprs[3];
quickly = matchedPattern == 1;
quickly = parseResult.hasTag("quickly");
if (resultHolder instanceof Variable) {
Variable<?> varExpr = (Variable<?>) resultHolder;
var = varExpr.getName();
resultVariableName = varExpr.getName();
isLocal = varExpr.isLocal();
isList = varExpr.isList();
} else if (resultHolder != null) {
@ -359,4 +341,15 @@ public class EffExecuteStatement extends Effect {
}
return true;
}
public static class SkriptDBQueryException extends RuntimeException {
private static final long serialVersionUID = -1869895286406538884L;
public SkriptDBQueryException(String message) {
super(message);
}
}
}