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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.search.query.textserialize.item;
import com.yahoo.prelude.query.Item;
import com.yahoo.prelude.query.TaggableItem;
import java.util.HashMap;
import java.util.IdentityHashMap;
import java.util.Map;
/**
* @author Tony Vaagenes
*/
public class ItemContext {
private class Connectivity {
final String id;
final double strength;
public Connectivity(String id, double strength) {
this.id = id;
this.strength = strength;
}
}
private final Map<String, Item> itemById = new HashMap<>();
private final Map<TaggableItem, Connectivity> connectivityByItem = new IdentityHashMap<>();
public void setItemId(String id, Item item) {
itemById.put(id, item);
}
public void setConnectivity(TaggableItem item, String id, Double strength) {
connectivityByItem.put(item, new Connectivity(id, strength));
}
public void connectItems() {
for (Map.Entry<TaggableItem, Connectivity> entry : connectivityByItem.entrySet()) {
entry.getKey().setConnectivity(getItem(entry.getValue().id), entry.getValue().strength);
}
}
private Item getItem(String id) {
Item item = itemById.get(id);
if (item == null)
throw new IllegalArgumentException("No item with id '" + id + "'.");
return item;
}
}
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