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Add model for duplicated and intersected foreign keys (#450)
* Update Gradle to 8.10.2 * Update PostgreSQL versions * Update sql queries * Update dependencies * Add DuplicatedForeignKeys class * Add tests for Validators * Add tests for DuplicatedForeignKeys
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@@ -31,7 +31,7 @@ dependencies { | |
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| tasks{ | ||
| wrapper { | ||
| gradleVersion = "8.7" | ||
| gradleVersion = "8.10.2" | ||
| } | ||
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| check { | ||
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Submodule resources
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24 files
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136 changes: 136 additions & 0 deletions
136
...alth-model/src/main/java/io/github/mfvanek/pg/model/constraint/DuplicatedForeignKeys.java
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| /* | ||
| * Copyright (c) 2019-2024. Ivan Vakhrushev and others. | ||
| * https://github.com/mfvanek/pg-index-health | ||
| * | ||
| * This file is a part of "pg-index-health" - a Java library for | ||
| * analyzing and maintaining indexes health in PostgreSQL databases. | ||
| * | ||
| * Licensed under the Apache License 2.0 | ||
| */ | ||
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| package io.github.mfvanek.pg.model.constraint; | ||
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| import io.github.mfvanek.pg.model.DbObject; | ||
| import io.github.mfvanek.pg.model.index.utils.DuplicatedIndexesParser; | ||
| import io.github.mfvanek.pg.model.table.TableNameAware; | ||
| import io.github.mfvanek.pg.model.validation.Validators; | ||
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| import java.util.List; | ||
| import java.util.Objects; | ||
| import java.util.stream.Collectors; | ||
| import javax.annotation.Nonnull; | ||
| import javax.annotation.concurrent.Immutable; | ||
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| /** | ||
| * A representation of duplicated foreign keys in a database. | ||
| * | ||
| * @author Ivan Vakhrushev | ||
| * @see TableNameAware | ||
| */ | ||
| @Immutable | ||
| public class DuplicatedForeignKeys implements DbObject, TableNameAware { | ||
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| private final List<ForeignKey> foreignKeys; | ||
| private final List<String> foreignKeysNames; | ||
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| private DuplicatedForeignKeys(@Nonnull final List<ForeignKey> foreignKeys) { | ||
| final List<ForeignKey> defensiveCopy = List.copyOf(Objects.requireNonNull(foreignKeys, "foreignKeys cannot be null")); | ||
| Validators.validateThatTableIsTheSame(defensiveCopy); | ||
| this.foreignKeys = defensiveCopy; | ||
| this.foreignKeysNames = this.foreignKeys.stream() | ||
| .map(ForeignKey::getConstraintName) | ||
| .collect(Collectors.toUnmodifiableList()); | ||
| } | ||
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| /** | ||
| * {@inheritDoc} | ||
| */ | ||
| @Nonnull | ||
| @Override | ||
| public final String getName() { | ||
| return String.join(",", foreignKeysNames); | ||
| } | ||
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| /** | ||
| * {@inheritDoc} | ||
| */ | ||
| @Override | ||
| @Nonnull | ||
| public String getTableName() { | ||
| return foreignKeys.get(0).getTableName(); | ||
| } | ||
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| /** | ||
| * Gets duplicated foreign keys. | ||
| * | ||
| * @return list of duplicated foreign keys | ||
| * @see ForeignKey | ||
| */ | ||
| @Nonnull | ||
| public List<ForeignKey> getForeignKeys() { | ||
| return foreignKeys; | ||
| } | ||
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| /** | ||
| * {@inheritDoc} | ||
| */ | ||
| @Override | ||
| public final boolean equals(final Object other) { | ||
| if (this == other) { | ||
| return true; | ||
| } | ||
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| if (!(other instanceof DuplicatedForeignKeys)) { | ||
| return false; | ||
| } | ||
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| final DuplicatedForeignKeys that = (DuplicatedForeignKeys) other; | ||
| return Objects.equals(foreignKeys, that.foreignKeys); | ||
| } | ||
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| /** | ||
| * {@inheritDoc} | ||
| */ | ||
| @Override | ||
| public final int hashCode() { | ||
| return Objects.hash(foreignKeys); | ||
| } | ||
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| /** | ||
| * {@inheritDoc} | ||
| */ | ||
| @Nonnull | ||
| @Override | ||
| public String toString() { | ||
| return DuplicatedForeignKeys.class.getSimpleName() + '{' + | ||
| "tableName='" + getTableName() + '\'' + | ||
| ", foreignKeys=" + foreignKeys + | ||
| '}'; | ||
| } | ||
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| /** | ||
| * Constructs an {@code DuplicatedForeignKeys} object from given list of foreign keys. | ||
| * | ||
| * @param foreignKeys list of duplicated foreign keys; should be non-null. | ||
| * @return {@code DuplicatedForeignKeys} | ||
| */ | ||
| @Nonnull | ||
| public static DuplicatedForeignKeys of(@Nonnull final List<ForeignKey> foreignKeys) { | ||
| return new DuplicatedForeignKeys(foreignKeys); | ||
| } | ||
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| /** | ||
| * Constructs an {@code DuplicatedForeignKeys} object from given foreign keys. | ||
| * | ||
| * @param firstForeignKey first foreign key; should be non-null. | ||
| * @param secondForeignKey second foreign key; should be non-null. | ||
| * @param otherForeignKeys other foreign keys. | ||
| * @return {@code DuplicatedForeignKeys} | ||
| */ | ||
| @Nonnull | ||
| public static DuplicatedForeignKeys of(@Nonnull final ForeignKey firstForeignKey, | ||
| @Nonnull final ForeignKey secondForeignKey, | ||
| @Nonnull final ForeignKey... otherForeignKeys) { | ||
| return new DuplicatedForeignKeys(DuplicatedIndexesParser.combine(firstForeignKey, secondForeignKey, otherForeignKeys)); | ||
| } | ||
| } |
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