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## org.eclipse.birt.data.engine.api
Interface IFilterDefinition

All Known Implementing Classes:
  FilterDefinition

    public interface IFilterDefinition

Describes a data row filter defined in a data set or a report query. A filter is defined as an expression that returns a Boolean type. The expression normally operates on the "row" Javascript object to apply conditions based on column values of a data row.

Method Summary
`IBaseExpression` | `getExpression()` Gets the Boolean expression used to define this filter.

Method Detail

### getExpression

    IBaseExpression getExpression()

  Gets the Boolean expression used to define this filter.

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