io.druid.query.filter

Interface ValueMatcherColumnSelectorStrategy<ValueSelectorType extends ColumnValueSelector>

All Superinterfaces:

ColumnSelectorStrategy

All Known Implementing Classes:

FloatValueMatcherColumnSelectorStrategy, LongValueMatcherColumnSelectorStrategy, StringValueMatcherColumnSelectorStrategy

public interface ValueMatcherColumnSelectorStrategy<ValueSelectorType extends ColumnValueSelector>
extends ColumnSelectorStrategy

Method Summary

Modifier and Type	Method and Description
ValueMatcher	makeValueMatcher(ValueSelectorType selector, DruidPredicateFactory predicateFactory) Create a predicate-based ValueMatcher.
ValueMatcher	makeValueMatcher(ValueSelectorType selector, String value) Create a single value ValueMatcher.

Method Detail

makeValueMatcher

ValueMatcher makeValueMatcher(ValueSelectorType selector,
                              String value)

Create a single value ValueMatcher.

Parameters:

selector - Column selector

value - Value to match against

Returns:

ValueMatcher that matches on 'value'

makeValueMatcher

ValueMatcher makeValueMatcher(ValueSelectorType selector,
                              DruidPredicateFactory predicateFactory)

Create a predicate-based ValueMatcher.

Parameters:

selector - Column selector

predicateFactory - A DruidPredicateFactory that provides the filter predicates to be matched

Returns:

A ValueMatcher that applies the predicate for this DimensionQueryHelper's value type from the predicateFactory