Examples of nexj.core.meta.upgrade.Upgrade.addVersion()

nexj.core.meta.upgrade.Upgrade.addVersion()
Adds a new version upgrade to the upgrade. @param version The version upgrade to add. @throws MetadataException if a version upgradewith the same name already exists.

      // single incompatible step
      metadata.setVersion("1-step");
      upgradeVersion = new RelationalSchemaUpgrade(metadata.getVersion());
      upgradeVersion.addStep(execStep);
      upgradeVersion.setDataSource(ds);
      upgrade.addVersion(upgradeVersion);


      try
      {
         upgrade.validate(null, null); // must fail since an incompatible step "1-step" exists
         fail(); // exception expected

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      metadata.setVersion("2-step");
      upgradeVersion = new RelationalSchemaUpgrade(metadata.getVersion());
      upgradeVersion.addStep(adapterStep);
      upgradeVersion.addStep(createTableStep);
      upgradeVersion.setDataSource(ds);
      upgrade.addVersion(upgradeVersion);


      try
      {
         upgrade.validate(null, null); // must fail since an incompatible step "1-step" exists
         fail(); // exception expected

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      // incompatible step -> compatible step -> incompatible step
      metadata.setVersion("3-step");
      upgradeVersion = new RelationalSchemaUpgrade(metadata.getVersion());
      upgradeVersion.addStep(createColumnStep);
      upgradeVersion.setDataSource(ds);
      upgrade.addVersion(upgradeVersion);


      try
      {
         upgrade.validate(null, null);//must fail since an incompatible step exists after compatible
         fail(); // exception expected

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      Upgrade upgrade = new Upgrade(null);
      SQLAppender origAppender = m_manager.getSQLAppender();
      StringWriter sql = new StringWriter();


      upgrade.setMetadata(getMetadata());
      upgrade.addVersion(version);
      m_manager.setSQLAppender(m_manager.new SQLWriterAppender(sql));


      try
      {
         m_manager.upgrade(schema, upgrade, upgrade.getFirstVersion().getName());

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      ds.getType().setMetadata(metadata);
      version.setDataSource(ds);
      version.addStep(step);
      metadata.setVersion(version.getName());
      upgrade.setMetadata(metadata);
      upgrade.addVersion(version);
      table.setViewScript(finalScript);


      try
      {
         upgrade.validate(metadata, null);

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