com.fasterxml.jackson.annotation.SimpleObjectIdResolver Maven / Gradle / Ivy
/*
* Copyright © 2019 Dominokit
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.fasterxml.jackson.annotation;
import com.fasterxml.jackson.annotation.ObjectIdGenerator.IdKey;
import java.util.HashMap;
import java.util.Map;
/**
* Simple implementation of {@link ObjectIdResolver}
*
* @author Pascal Gélinas
*/
public class SimpleObjectIdResolver implements ObjectIdResolver {
protected Map _items;
public SimpleObjectIdResolver() {}
@Override
public void bindItem(IdKey id, Object ob) {
if (_items == null) {
_items = new HashMap();
} else if (_items.containsKey(id)) {
throw new IllegalStateException(
"Already had POJO for id (" + id.key.getClass().getName() + ") [" + id + "]");
}
_items.put(id, ob);
}
@Override
public Object resolveId(IdKey id) {
return (_items == null) ? null : _items.get(id);
}
@Override
public boolean canUseFor(ObjectIdResolver resolverType) {
return resolverType.getClass() == getClass();
}
@Override
public ObjectIdResolver newForDeserialization(Object context) {
// 19-Dec-2014, tatu: Important: must re-create without existing mapping; otherwise bindings
// leak
// (and worse, cause unnecessary memory retention)
return new SimpleObjectIdResolver();
}
}