All Downloads are FREE. Search and download functionalities are using the official Maven repository.

io.virtdata.libbasics.shared.stateful.SaveLong Maven / Gradle / Ivy

There is a newer version: 2.12.15
Show newest version
package io.virtdata.libbasics.shared.stateful;

import io.virtdata.annotations.Categories;
import io.virtdata.annotations.Category;
import io.virtdata.annotations.Example;
import io.virtdata.annotations.ThreadSafeMapper;
import io.virtdata.libbasics.core.threadstate.SharedState;

import java.util.function.Function;
import java.util.function.LongUnaryOperator;

/**
 * Save a value to a named thread-local variable, where the variable
 * name is fixed or a generated variable name from a provided function.
 * Note that the input type is not that suitable for constructing names,
 * so this is more likely to be used in an indirect naming pattern like
 * 
SaveDouble(Load('id'))
*/ @Categories(Category.state) @ThreadSafeMapper public class SaveLong implements LongUnaryOperator { private final String name; private final Function nameFunc; @Example({"SaveLong('foo')","save the current long value to a named variable in this thread."}) public SaveLong(String name) { this.name = name; this.nameFunc=null; } @Example({"SaveLong(NumberNameToString())","save the current long value to a named variable in this thread" + ", where the variable name is provided by a function."}) public SaveLong(Function nameFunc) { this.name=null; this.nameFunc = nameFunc; } @Override public long applyAsLong(long operand) { String varname=(nameFunc!=null) ? String.valueOf(nameFunc.apply(operand)) : name; SharedState.tl_ObjectMap.get().put(varname, operand); return operand; } }




© 2015 - 2024 Weber Informatics LLC | Privacy Policy