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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| /* | ||
| * Copyright (C) 2024 Nameless Production Committee | ||
| * | ||
| * Licensed under the MIT License (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://opensource.org/licenses/mit-license.php | ||
| */ | ||
| package typewriter.query; | ||
|
|
||
| import java.util.List; | ||
|
|
||
| import ch.epfl.labos.iu.orm.queryll2.path.PathAnalysisMethodChecker; | ||
| import ch.epfl.labos.iu.orm.queryll2.symbolic.BasicSymbolicInterpreter.OperationSideEffect; | ||
| import ch.epfl.labos.iu.orm.queryll2.symbolic.MethodSignature; | ||
| import ch.epfl.labos.iu.orm.queryll2.symbolic.TypedValue; | ||
|
|
||
| public class MethodChecker implements PathAnalysisMethodChecker { | ||
|
|
||
| /** | ||
| * {@inheritDoc} | ||
| */ | ||
| @Override | ||
| public boolean isFluentChaining(MethodSignature m) { | ||
| return false; | ||
| } | ||
|
|
||
| /** | ||
| * {@inheritDoc} | ||
| */ | ||
| @Override | ||
| public boolean isPutFieldAllowed() { | ||
| return false; | ||
| } | ||
|
|
||
| /** | ||
| * {@inheritDoc} | ||
| */ | ||
| @Override | ||
| public OperationSideEffect isStaticMethodSafe(MethodSignature m) { | ||
| return null; | ||
| } | ||
|
|
||
| /** | ||
| * {@inheritDoc} | ||
| */ | ||
| @Override | ||
| public OperationSideEffect isMethodSafe(MethodSignature m, TypedValue base, List<TypedValue> args) { | ||
| return null; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,90 @@ | ||
| /* | ||
| * Copyright (C) 2024 Nameless Production Committee | ||
| * | ||
| * Licensed under the MIT License (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://opensource.org/licenses/mit-license.php | ||
| */ | ||
| package typewriter.query; | ||
|
|
||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import java.util.stream.Collectors; | ||
|
|
||
| import typewriter.api.Identifiable; | ||
| import typewriter.api.Specifier; | ||
| import typewriter.rdb.Dialect; | ||
|
|
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| public class QueryWriter<M extends Identifiable> { | ||
|
|
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| private final Dialect dialect; | ||
|
|
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| private final List<String> selects = new ArrayList(); | ||
|
|
||
| /** | ||
| * @param dialect | ||
| */ | ||
| public QueryWriter(Dialect dialect) { | ||
| this.dialect = dialect; | ||
| } | ||
|
|
||
| /** | ||
| * Select column by name. | ||
| * | ||
| * @param column | ||
| * @return | ||
| */ | ||
| public QueryWriter<M> select(String column) { | ||
| return selectAs(null, column); | ||
| } | ||
|
|
||
| /** | ||
| * Select column by name with alias. | ||
| * | ||
| * @param alias An alias of column. | ||
| * @param column A column name. | ||
| * @return | ||
| */ | ||
| public QueryWriter<M> selectAs(String alias, String column) { | ||
| if (alias == null || alias.isEmpty()) { | ||
| selects.add(column); | ||
| } else { | ||
| selects.add(column + " AS " + alias); | ||
| } | ||
| return this; | ||
| } | ||
|
|
||
| /** | ||
| * Select column by {@link Specifier}. | ||
| * | ||
| * @param specifier A column specifier. | ||
| * @return | ||
| */ | ||
| public QueryWriter<M> select(Specifier<M, ?> specifier) { | ||
| return select(specifier.propertyName(dialect)); | ||
| } | ||
|
|
||
| /** | ||
| * Select column by {@link Specifier} with alias. | ||
| * | ||
| * @param alias An alias of column. | ||
| * @param specifier A column specifier. | ||
| * @return | ||
| */ | ||
| public QueryWriter<M> selectAs(String alias, Specifier<M, ?> specifier) { | ||
| return selectAs(alias, specifier.propertyName(dialect)); | ||
| } | ||
|
|
||
| /** | ||
| * @param dialect | ||
| */ | ||
| public String build(Dialect dialect) { | ||
| StringBuilder builder = new StringBuilder(); | ||
|
|
||
| builder.append(selects.stream().collect(Collectors.joining(", ", "SELECT ", ""))); | ||
|
|
||
| return builder.toString(); | ||
| } | ||
| } |
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