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package liquibase.precondition.core; |
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|
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import liquibase.changelog.ChangeSet; |
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import liquibase.changelog.DatabaseChangeLog; |
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import liquibase.database.Database; |
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import liquibase.exception.DatabaseException; |
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import liquibase.exception.PreconditionErrorException; |
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import liquibase.exception.PreconditionFailedException; |
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import liquibase.exception.ValidationErrors; |
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import liquibase.exception.Warnings; |
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import liquibase.precondition.Precondition; |
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import liquibase.snapshot.DatabaseSnapshotGeneratorFactory; |
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import liquibase.util.StringUtils; |
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|
15 | 8 | public class ForeignKeyExistsPrecondition implements Precondition { |
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private String schemaName; |
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private String foreignKeyTableName; |
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private String foreignKeyName; |
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|
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public String getSchemaName() { |
21 | 0 | return schemaName; |
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} |
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|
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public void setSchemaName(String schemaName) { |
25 | 0 | this.schemaName = StringUtils.trimToNull(schemaName); |
26 | 0 | } |
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|
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public String getForeignKeyTableName() { |
29 | 0 | return foreignKeyTableName; |
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} |
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|
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public void setForeignKeyTableName(String foreignKeyTableName) { |
33 | 0 | this.foreignKeyTableName = foreignKeyTableName; |
34 | 0 | } |
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|
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public String getForeignKeyName() { |
37 | 0 | return foreignKeyName; |
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} |
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|
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public void setForeignKeyName(String foreignKeyName) { |
41 | 0 | this.foreignKeyName = foreignKeyName; |
42 | 0 | } |
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|
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@Override |
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public Warnings warn(Database database) { |
46 | 0 | return new Warnings(); |
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} |
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|
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@Override |
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public ValidationErrors validate(Database database) { |
51 | 0 | return new ValidationErrors(); |
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} |
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|
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@Override |
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public void check(Database database, DatabaseChangeLog changeLog, ChangeSet changeSet) |
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throws PreconditionFailedException, PreconditionErrorException { |
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try { |
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boolean checkPassed; |
59 | 0 | if (getForeignKeyTableName() == null) { |
60 | 0 | checkPassed = DatabaseSnapshotGeneratorFactory.getInstance() |
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.createSnapshot(database, getSchemaName(), null).getForeignKey(getForeignKeyName()) != null; |
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} else { |
63 | 0 | checkPassed = DatabaseSnapshotGeneratorFactory |
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.getInstance() |
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.getGenerator(database) |
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.getForeignKeyByForeignKeyTable(getSchemaName(), getForeignKeyTableName(), getForeignKeyName(), |
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database) != null; |
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} |
69 | 0 | if (!checkPassed) { |
70 | 0 | String message = "Foreign Key " + database.escapeStringForDatabase(getForeignKeyName()); |
71 | 0 | if (getForeignKeyTableName() != null) { |
72 | 0 | message += " on table " + getForeignKeyTableName(); |
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} |
74 | 0 | message += " does not exist"; |
75 | 0 | throw new PreconditionFailedException(message, changeLog, this); |
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} |
77 | 0 | } catch (DatabaseException e) { |
78 | 0 | throw new PreconditionErrorException(e, changeLog, this); |
79 | 0 | } |
80 | 0 | } |
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|
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@Override |
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public String getName() { |
84 | 8 | return "foreignKeyConstraintExists"; |
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} |
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} |