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add DecimalFormat function
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package io.nosqlbench.virtdata.library.basics.shared.formatting;
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import io.nosqlbench.virtdata.annotations.Example;
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import io.nosqlbench.virtdata.annotations.ThreadSafeMapper;
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import java.util.function.DoubleFunction;
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/**
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* Formats a floating point value to a string using the java.text.DecimalFormat
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*/
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@ThreadSafeMapper
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public class DecimalFormat implements DoubleFunction<String> {
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private final java.text.DecimalFormat format;
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@Example({"DecimalFormat('.##')","converts a double value to a string with only two digits after the decimal"})
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public DecimalFormat(String format) {
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this.format = new java.text.DecimalFormat(format);
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}
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@Override
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public String apply(double value) {
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return this.format.format(value);
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}
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}
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