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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 IndexExistsPrecondition implements Precondition { |
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private String schemaName; |
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private String tableName; |
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private String columnNames; |
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private String indexName; |
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|
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public String getSchemaName() { |
22 | 0 | return schemaName; |
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} |
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|
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public void setSchemaName(String schemaName) { |
26 | 0 | this.schemaName = StringUtils.trimToNull(schemaName); |
27 | 0 | } |
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|
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public String getTableName() { |
30 | 0 | return tableName; |
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} |
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|
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public void setTableName(String tableName) { |
34 | 0 | this.tableName = tableName; |
35 | 0 | } |
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|
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public String getIndexName() { |
38 | 0 | return indexName; |
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} |
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|
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public void setIndexName(String indexName) { |
42 | 0 | this.indexName = indexName; |
43 | 0 | } |
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|
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public String getColumnNames() { |
46 | 0 | return columnNames; |
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} |
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|
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public void setColumnNames(String columnNames) { |
50 | 0 | this.columnNames = columnNames; |
51 | 0 | } |
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|
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@Override |
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public Warnings warn(Database database) { |
55 | 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) { |
60 | 0 | ValidationErrors validationErrors = new ValidationErrors(); |
61 | 0 | if (getIndexName() == null && getTableName() == null && getColumnNames() == null) { |
62 | 0 | validationErrors.addError("indexName OR tableName and columnNames is required"); |
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} |
64 | 0 | return 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 { |
71 | 0 | if (!DatabaseSnapshotGeneratorFactory.getInstance().getGenerator(database) |
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.hasIndex(getSchemaName(), getTableName(), getIndexName(), database, getColumnNames())) { |
73 | 0 | String name = ""; |
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|
75 | 0 | if (getIndexName() != null) { |
76 | 0 | name += database.escapeStringForDatabase(getIndexName()); |
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} |
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|
79 | 0 | if (StringUtils.trimToNull(getTableName()) != null) { |
80 | 0 | name += " on " + database.escapeStringForDatabase(getTableName()); |
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|
82 | 0 | if (StringUtils.trimToNull(getColumnNames()) != null) { |
83 | 0 | name += " columns " + getColumnNames(); |
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} |
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} |
86 | 0 | throw new PreconditionFailedException("Index " + name + " does not exist", changeLog, this); |
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} |
88 | 0 | } catch (DatabaseException e) { |
89 | 0 | throw new PreconditionErrorException(e, changeLog, this); |
90 | 0 | } |
91 | 0 | } |
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|
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@Override |
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public String getName() { |
95 | 8 | return "indexExists"; |
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} |
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} |