package net.pterodactylus.sone.test;
import java.util.concurrent.atomic.AtomicReference;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import net.pterodactylus.util.config.ConfigurationException;
import net.pterodactylus.util.config.Value;
import com.google.common.base.Objects;
/**
* Simple {@link Value} implementation.
*
* @author David ‘Bombe’ Roden
*/
public class TestValue implements Value {
private final AtomicReference value = new AtomicReference();
public TestValue(@Nullable T originalValue) {
value.set(originalValue);
}
@Override
@Nullable
public T getValue() throws ConfigurationException {
return value.get();
}
@Override
@Nullable
public T getValue(@Nullable T defaultValue) {
final T realValue = value.get();
return (realValue != null) ? realValue : defaultValue;
}
@Override
public void setValue(@Nullable T newValue) throws ConfigurationException {
value.set(newValue);
}
@Override
public int hashCode() {
return value.hashCode();
}
@Override
public boolean equals(Object obj) {
return (obj instanceof TestValue) && Objects.equal(value.get(),
((TestValue) obj).value.get());
}
@Override
@Nonnull
public String toString() {
return String.valueOf(value.get());
}
@Nonnull
public static Value from(@Nullable T value) {
return new TestValue(value);
}
}