/*
* Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com
* The software in this package is published under the terms of the CPAL v1.0
* license, a copy of which has been included with this distribution in the
* LICENSE.txt file.
*/
package org.mule.runtime.config.spring;
import com.google.common.collect.ImmutableList;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
/**
* Default implementation of {@link OptionalObjectsController}
*
* @since 3.7.0
*/
public class DefaultOptionalObjectsController implements OptionalObjectsController {
private final Set<String> optionalKeys = new HashSet<>();
private final Set<String> discardedKeys = new HashSet<>();
private final Object discardedObjectPlaceholder = new Object();
@Override
public void registerOptionalKey(String key) {
optionalKeys.add(key);
}
@Override
public void discardOptionalObject(String key) {
discardedKeys.add(key);
}
@Override
public boolean isOptional(String key) {
return optionalKeys.contains(key);
}
@Override
public boolean isDiscarded(String key) {
return discardedKeys.contains(key);
}
@Override
public Object getDiscardedObjectPlaceholder() {
return discardedObjectPlaceholder;
}
@Override
public Collection<String> getAllOptionalKeys() {
return ImmutableList.copyOf(optionalKeys);
}
}