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#1317 Special Case Pattern (#1624)

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* #1317 Add Special Case Pattern

To focus on pattern itself, I implement DB and
maintenance lock by the singleton instance.

* #1317 Add special cases unit tests

Assert the logger output
(ref: https://stackoverflow.com/a/52229629)

* #1317 Add README.md

Add Special Case Pattern README

* #1317 Format: add a new line to end of file

Co-authored-by: Subhrodip Mohanta <subhrodipmohanta@gmail.com>
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ignite1771
2021-01-13 15:36:21 +08:00
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parent bbc4fdfc24
commit dea7ecfb7a
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special-case/src/main/java/com/iluwatar/specialcase/OutOfStock.java Normal file
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package com.iluwatar.specialcase;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class OutOfStock implements ReceiptViewModel {
private static final Logger LOGGER = LoggerFactory.getLogger(OutOfStock.class);
private String userName;
private String itemName;
public OutOfStock(String userName, String itemName) {
this.userName = userName;
this.itemName = itemName;
}
@Override
public void show() {
LOGGER.info("Out of stock: " + itemName + " for user = " + userName + " to buy");
}
}