Class HdfPredicatesToCql

java.lang.Object

io.nosqlbench.datamappers.functions.hdf_to_cql.HdfPredicatesToCql

All Implemented Interfaces:

PredicateAdapter, LongFunction<String>

public class HdfPredicatesToCql
extends Object
implements LongFunction<String>, PredicateAdapter

Binding function that accepts a long input value for the cycle and returns a string consisting of the CQL predicate parsed from a single record in an HDF5 dataset

Constructor Summary

Constructors

Constructor	Description
HdfPredicatesToCql(String filename, String datasetName, String serDesType)	Create a new binding function that accepts a long input value for the cycle and returns a string

Method Summary

Modifier and Type	Method	Description
String	apply(long l)
String	getPredicate(PredicateExpr model)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

HdfPredicatesToCql

public HdfPredicatesToCql(String filename,
 String datasetName,
 String serDesType)

Create a new binding function that accepts a long input value for the cycle and returns a string

Parameters:

filename - The HDF5 file to read the predicate dataset from

datasetName - The name of the dataset internal to the HDF5 file

serDesType - The type of serialization/deserialization to use for the predicate

Method Details

apply

public String apply(long l)

Specified by:

apply in interface LongFunction<String>

getPredicate

public String getPredicate(PredicateExpr model)

Specified by:

getPredicate in interface PredicateAdapter