Examples of org.antlr.stringtemplate.StringTemplate$Aggregate

org.antlr.stringtemplate.StringTemplate
An automatically created aggregate of properties. I often have lists of things that need to be formatted, but the list items are actually pieces of data that are not already in an object. I need ST to do something like: Ter=3432 Tom=32234 .... using template: $items:{it.name$=$it.type$}$ This example will call getName() on the objects in items attribute, but what if they aren't objects? I have perhaps two parallel arrays instead of a single array of objects containing two fields. One solution is allow Maps to be handled like properties so that it.name would fail getName() but then see that it's a Map and do it.get("name") instead. This very clean approach is espoused by some, but the problem is that it's a hole in my separation rules. People can put the logic in the view because you could say: "go get bob's data" in the view: Bob's Phone: $db.bob.phone$ A view should not be part of the program and hence should never be able to go ask for a specific person's data. After much thought, I finally decided on a simple solution. I've added setAttribute variants that pass in multiple property values, with the property names specified as part of the name using a special attribute name syntax: "name.{propName1,propName2,...}". This object is a special kind of HashMap that hopefully prevents people from passing a subclass or other variant that they have created as it would be a loophole. Anyway, the ASTExpr.getObjectProperty() method looks for Aggregate as a special case and does a get() instead of getPropertyName.

    // "ALTER TABLE $tableName$ " +
    // "ADD CONSTRAINT $constraintName$ UNIQUE ($columnName; separator=\",\"$)";


    String templateStr = ST_ADD_UNIQUE_CONSTRAINT_STYLE_TWO;


    StringTemplate st = new StringTemplate(templateStr);


    HashMap<String, String> valuesMap =
      DialectUtils.getValuesMap(ST_TABLE_NAME_KEY, tableName, ST_CONSTRAINT_NAME_KEY, constraintName);


    return new String[] { DialectUtils.getAddUniqueConstraintSQL(st,

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  public String[] getAlterSequenceSQL(String sequenceName, String increment, String minimum, String maximum,
    String restart, String cache, boolean cycle, DatabaseObjectQualifier qualifier,
    SqlGenerationPreferences prefs)
  {
    // SET GENERATOR name TO int;
    StringTemplate st = new StringTemplate("SET GENERATOR $generatorName$ TO $value$");


    st.setAttribute(ST_GENERATOR_NAME_KEY, sequenceName);
    st.setAttribute(ST_VALUE_KEY, minimum);


    return new String[] { st.toString() };
  }

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    SqlGenerationPreferences prefs)
  {
    // CREATE [UNIQUE] [ASC[ENDING] | DESC[ENDING]] INDEX index
    // ON table (col [, col …]);


    StringTemplate st = new StringTemplate(ST_CREATE_INDEX_STYLE_THREE);
    // "CREATE $unique$ $storageOption$ INDEX $indexName$ " +
    // "ON $tableName$ ( $columnName; separator=\",\"$ )";


    HashMap<String, String> valuesMap = new HashMap<String, String>();

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  @Override
  public String getCreateSequenceSQL(String sequenceName, String increment, String minimum, String maximum,
    String start, String cache, boolean cycle, DatabaseObjectQualifier qualifier,
    SqlGenerationPreferences prefs)
  {
    StringTemplate st = new StringTemplate("CREATE GENERATOR $generatorName$");


    st.setAttribute("generatorName", sequenceName);


    return st.toString();
  }

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    // CREATE VIEW name [(view_col [, view_col …])]
    // AS <select> [WITH CHECK OPTION];


    // "CREATE VIEW $viewName$ " +
    // "AS $selectStatement$ $withCheckOption$";
    StringTemplate st = new StringTemplate(ST_CREATE_VIEW_STYLE_TWO);


    HashMap<String, String> valuesMap =
      DialectUtils.getValuesMap(ST_VIEW_NAME_KEY, viewName, ST_SELECT_STATEMENT_KEY, definition);


    if (checkOption != null)

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  @Override
  public String getDropConstraintSQL(String tableName, String constraintName,
    DatabaseObjectQualifier qualifier, SqlGenerationPreferences prefs)
  {
    // ALTER TABLE $tableName$ DROP CONSTRAINT $constraintName$
    StringTemplate st = new StringTemplate(ST_DROP_CONSTRAINT_STYLE_ONE);


    HashMap<String, String> valuesMap =
      DialectUtils.getValuesMap(ST_TABLE_NAME_KEY, tableName, ST_CONSTRAINT_NAME_KEY, constraintName);


    return DialectUtils.bindTemplateAttributes(this, st, valuesMap, qualifier, prefs);

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  @Override
  public String getDropIndexSQL(String tableName, String indexName, boolean cascade,
    DatabaseObjectQualifier qualifier, SqlGenerationPreferences prefs)
  {
    // "DROP INDEX $indexName$";
    StringTemplate st = new StringTemplate(ST_DROP_INDEX_STYLE_THREE);


    HashMap<String, String> valuesMap = DialectUtils.getValuesMap(ST_INDEX_NAME_KEY, indexName);


    return DialectUtils.bindTemplateAttributes(this, st, valuesMap, qualifier, prefs);
  }

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   */
  @Override
  public String getDropSequenceSQL(String sequenceName, boolean cascade, DatabaseObjectQualifier qualifier,
    SqlGenerationPreferences prefs)
  {
    StringTemplate st = new StringTemplate("DROP GENERATOR $generatorName$");


    st.setAttribute("generatorName", sequenceName);


    return st.toString();
  }

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  @Override
  public String getDropViewSQL(String viewName, boolean cascade, DatabaseObjectQualifier qualifier,
    SqlGenerationPreferences prefs)
  {
    // "DROP VIEW $viewName$";
    StringTemplate st = new StringTemplate(ST_DROP_VIEW_STYLE_ONE);


    HashMap<String, String> valuesMap = DialectUtils.getValuesMap(ST_VIEW_NAME_KEY, viewName);


    return DialectUtils.bindTemplateAttributes(this, st, valuesMap, qualifier, prefs);
  }

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  @Override
  public String getDropSequenceSQL(String sequenceName, boolean cascade, DatabaseObjectQualifier qualifier,
    SqlGenerationPreferences prefs)
  {
    // "DROP SEQUENCE $sequenceName$ $cascade$";
    StringTemplate st = new StringTemplate(ST_DROP_SEQUENCE_STYLE_ONE);


    HashMap<String, String> valuesMap = DialectUtils.getValuesMap(ST_SEQUENCE_NAME_KEY, sequenceName);


    return DialectUtils.bindTemplateAttributes(this, st, valuesMap, qualifier, prefs);
  }

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