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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.flags;
/**
* @author hakonhall
*/
public abstract class FlagImpl<T, F extends FlagImpl<T, F>> implements Flag<T, F> {
private final FlagId id;
private final T defaultValue;
private final FlagSerializer<T> serializer;
private final FetchVector fetchVector;
private final UnboundFlagImpl.FlagFactory<T, F> factory;
private final FlagSource source;
protected FlagImpl(FlagId id,
T defaultValue,
FetchVector fetchVector, FlagSerializer<T> serializer,
FlagSource source,
UnboundFlagImpl.FlagFactory<T, F> factory) {
this.id = id;
this.defaultValue = defaultValue;
this.serializer = serializer;
this.fetchVector = fetchVector;
this.factory = factory;
this.source = source;
}
@Override
public FlagId id() {
return id;
}
@Override
public F with(FetchVector.Dimension dimension, String dimensionValue) {
return factory.create(id, defaultValue, fetchVector.with(dimension, dimensionValue), serializer, source);
}
@Override
public T boxedValue() {
return source.fetch(id, fetchVector).map(serializer::deserialize).orElse(defaultValue);
}
@Override
public FlagSerializer<T> serializer() {
return serializer;
}
}
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