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package liquibase.integration.ant; |
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import liquibase.Liquibase; |
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import org.apache.tools.ant.BuildException; |
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|
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import java.io.Writer; |
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import java.util.Date; |
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| 12 | 0 | public class DatabaseRollbackTask extends BaseLiquibaseTask { |
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|
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private Date rollbackDate; |
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private String rollbackTag; |
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private Integer rollbackCount; |
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|
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public Date getRollbackDate() { |
| 19 | 0 | if (rollbackDate == null) { |
| 20 | 0 | return null; |
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} |
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|
| 23 | 0 | return (Date) rollbackDate.clone(); |
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} |
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|
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public void setRollbackDate(Date rollbackDate) { |
| 27 | 0 | if (rollbackDate != null) { |
| 28 | 0 | this.rollbackDate = new Date(rollbackDate.getTime()); |
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} |
| 30 | 0 | } |
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|
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public String getRollbackTag() { |
| 33 | 0 | return rollbackTag; |
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} |
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|
| 36 | |
public void setRollbackTag(String rollbackTag) { |
| 37 | 0 | this.rollbackTag = rollbackTag; |
| 38 | 0 | } |
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|
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public Integer getRollbackCount() { |
| 41 | 0 | return rollbackCount; |
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} |
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public void setRollbackCount(Integer rollbackCount) { |
| 45 | 0 | this.rollbackCount = rollbackCount; |
| 46 | 0 | } |
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|
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@Override |
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public void execute() throws BuildException { |
| 50 | 0 | if (getRollbackDate() == null && getRollbackCount() == null && getRollbackTag() == null) { |
| 51 | 0 | throw new BuildException("rollbackDatabase requires rollbackTag, rollbackDate, or rollbackCount to be set"); |
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} |
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|
| 54 | 0 | if (!shouldRun()) { |
| 55 | 0 | return; |
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} |
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|
| 58 | 0 | super.execute(); |
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|
| 60 | 0 | Liquibase liquibase = null; |
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try { |
| 62 | 0 | liquibase = createLiquibase(); |
| 63 | 0 | Writer writer = createOutputWriter(); |
| 64 | 0 | if (getRollbackCount() != null) { |
| 65 | 0 | if (writer == null) { |
| 66 | 0 | liquibase.rollback(getRollbackCount(), getContexts()); |
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} else { |
| 68 | 0 | liquibase.rollback(getRollbackCount(), getContexts(), writer); |
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} |
| 70 | 0 | } else if (getRollbackDate() != null) { |
| 71 | 0 | if (writer == null) { |
| 72 | 0 | liquibase.rollback(getRollbackDate(), getContexts()); |
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} else { |
| 74 | 0 | liquibase.rollback(getRollbackDate(), getContexts(), writer); |
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} |
| 76 | 0 | } else if (getRollbackTag() != null) { |
| 77 | 0 | if (writer == null) { |
| 78 | 0 | liquibase.rollback(getRollbackTag(), getContexts()); |
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} else { |
| 80 | 0 | liquibase.rollback(getRollbackTag(), getContexts(), writer); |
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} |
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} else { |
| 83 | 0 | throw new BuildException("Must specify rollbackCount, rollbackDate, or rollbackTag"); |
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} |
| 85 | 0 | if (writer != null) { |
| 86 | 0 | writer.flush(); |
| 87 | 0 | writer.close(); |
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} |
| 89 | 0 | } catch (Exception e) { |
| 90 | 0 | throw new BuildException(e); |
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} finally { |
| 92 | 0 | closeDatabase(liquibase); |
| 93 | 0 | } |
| 94 | 0 | } |
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} |