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• 0.5.0
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• Functions.java

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com.meltmedia.dropwizard.jongo.Functions Maven / Gradle / Ivy

package com.meltmedia.dropwizard.jongo;

import java.util.function.Consumer;
import java.util.function.Function;
import java.util.function.Supplier;

class Functions {

  static  Supplier mapSupplier( Supplier supplier, Function mapping ) {
    return ()->mapping.apply(supplier.get());
  }

  static  Consumer consumerRequired(String name) {
    return t->{throw new RuntimeException("Consumer "+name+" is required.");};
  }

  static  Function functionRequired(String name) {
    return u->{throw new RuntimeException("Function "+name+" is required.");};
  }

  static  Supplier supplierRequired(String name) {
    return ()->{throw new RuntimeException("Supplier "+name+" is required.");};
  }

}