/*
* Copyright 2016 Red Hat, Inc. and/or its affiliates.
*
* 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 org.drools.workbench.services.verifier.api.client.maps;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import org.drools.workbench.services.verifier.api.client.maps.util.HasUUID;
import org.drools.workbench.services.verifier.api.client.configuration.AnalyzerConfiguration;
import org.drools.workbench.services.verifier.api.client.index.keys.UUIDKey;
public class UpdatableInspectorList<InspectorType extends HasUUID, InspectedType extends HasUUID>
extends InspectorList<InspectorType> {
private InspectorFactory<InspectorType, InspectedType> inspectorFactory;
private HashMap<UUIDKey, InspectorType> map = new HashMap<>();
public UpdatableInspectorList( final InspectorFactory<InspectorType, InspectedType> inspectorFactory,
final AnalyzerConfiguration configuration ) {
super( configuration );
this.inspectorFactory = inspectorFactory;
}
public void update( final Collection<InspectedType> updates ) {
final ArrayList<UUIDKey> originalItems = new ArrayList<>( map.keySet() );
for ( final InspectedType updatable : updates ) {
final InspectorType inspector = map.get( updatable.getUuidKey() );
if ( inspector != null ) {
// Everything up to date.
originalItems.remove( updatable.getUuidKey() );
continue;
} else {
final InspectorType newInspector = inspectorFactory.make( updatable );
add( newInspector );
map.put( updatable.getUuidKey(),
newInspector );
}
}
// Remove left overs, they were not in updates
for ( final UUIDKey originalItem : originalItems ) {
remove( map.remove( originalItem ) );
}
}
}