org.apache.hawq.pxf.api

Interface FilterParser.FilterBuilder

All Known Implementing Classes:

HBaseFilterBuilder, HiveFilterBuilder

Enclosing class:

FilterParser

public static interface FilterParser.FilterBuilder

Interface a user of FilterParser should implement. This is used to let the user build filter expressions in the manner she sees fit. When an operator is parsed, this function is called to let the user decide what to do with its operands.

Method Summary

Modifier and Type	Method and Description
java.lang.Object	build(FilterParser.Operation operation, java.lang.Object left, java.lang.Object right) Builds the filter.

Method Detail

build

java.lang.Object build(FilterParser.Operation operation,
                       java.lang.Object left,
                       java.lang.Object right)
                throws java.lang.Exception

Builds the filter.

Parameters:

operation - the parse operation to perform

left - the left operand

right - the right operand

Returns:

the built filter

Throws:

java.lang.Exception - if building the filter failed