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org.apache.lens.server.api.priority
Interface QueryPriorityDecider

All Known Implementing Classes:

DurationBasedQueryPriorityDecider

public interface QueryPriorityDecider

Field Summary

static org.apache.log4j.Logger

LOG The Constant LOG.

Method Summary

Priority

decidePriority(AbstractQueryContext queryContext)

Field Detail

LOG

static final org.apache.log4j.Logger LOG

The Constant LOG.

Method Detail

decidePriority

Priority decidePriority(AbstractQueryContext queryContext)
                        throws LensException

Parameters:

queryContext -

Returns:

calculated Priority based on the explained plans for each driver

Throws:

LensException - when can't decide priority.