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Statistical sampling library for use in virtdata libraries, based on apache commons math 4

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package io.nosqlbench.virtdata.api;

/**
 * 

A thread-local template that describes a set of data mappers, a context object, and a method for applying * mapped values to the context object directly from the bindings. This type is used in thread-local scope * to map thread-specific data mapper instances to a contextual template object and a method for applying mapped values to it.

* *

This type is generally constructed by a ContextualDirectBindingsTemplate.

* * @param The type of the contextual template object. * @param The resulting type from binding mapped values with the contextual template C */ public class ContextualBindings implements Binder { private final C context; private Bindings bindings; private ValuesBinder valuesBinder; public ContextualBindings(Bindings bindings, C context, ValuesBinder valuesBinder) { this.bindings = bindings; this.context = context; this.valuesBinder = valuesBinder; } public Bindings getBindings() { return bindings; } public C getContext() { return context; } @Override public R bind(long value) { Object[] allGeneratedValues = bindings.getAll(value); try { // Provide bindings context data where it may be useful return valuesBinder.bindValues(context, bindings, value); } catch (Exception e) { throw new RuntimeException("Binding error:" + bindings.getTemplate().toString(allGeneratedValues), e); } } }




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