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package liquibase.sqlgenerator; |
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import liquibase.database.Database; |
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import liquibase.exception.ValidationErrors; |
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import liquibase.exception.Warnings; |
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import liquibase.sql.Sql; |
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import liquibase.statement.SqlStatement; |
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|
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import java.util.Iterator; |
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import java.util.SortedSet; |
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public class SqlGeneratorChain { |
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private Iterator<SqlGenerator> sqlGenerators; |
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|
15 | 611 | public SqlGeneratorChain(SortedSet<SqlGenerator> sqlGenerators) { |
16 | 611 | if (sqlGenerators != null) { |
17 | 609 | this.sqlGenerators = sqlGenerators.iterator(); |
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} |
19 | 611 | } |
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|
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public Sql[] generateSql(SqlStatement statement, Database database) { |
22 | 11 | if (sqlGenerators == null) { |
23 | 1 | return null; |
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} |
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|
26 | 10 | if (!sqlGenerators.hasNext()) { |
27 | 4 | return new Sql[0]; |
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} |
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|
30 | 6 | return sqlGenerators.next().generateSql(statement, database, this); |
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} |
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|
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public Warnings warn(SqlStatement statement, Database database) { |
34 | 8 | if (sqlGenerators == null || !sqlGenerators.hasNext()) { |
35 | 4 | return new Warnings(); |
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} |
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|
38 | 4 | return sqlGenerators.next().warn(statement, database, this); |
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} |
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|
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public ValidationErrors validate(SqlStatement statement, Database database) { |
42 | 437 | if (sqlGenerators == null || !sqlGenerators.hasNext()) { |
43 | 6 | return new ValidationErrors(); |
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} |
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|
46 | 431 | return sqlGenerators.next().validate(statement, database, this); |
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} |
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} |