/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.usergrid.corepersistence.pipeline.read.traverse;
import org.apache.usergrid.corepersistence.pipeline.read.AbstractFilter;
import org.apache.usergrid.corepersistence.pipeline.read.FilterResult;
import org.apache.usergrid.persistence.model.entity.Id;
import com.google.inject.Inject;
import com.google.inject.assistedinject.Assisted;
import rx.Observable;
/**
* This command is a stopgap to make migrating 1.0 code easier. Once full traversal has been implemented, this should
* be removed
*/
public class EntityIdFilter extends AbstractFilter<FilterResult<Id>, FilterResult<Id>>{
private final Id entityId;
@Inject
public EntityIdFilter( @Assisted final Id entityId ) {this.entityId = entityId;}
@Override
public Observable<FilterResult<Id>> call( final Observable<FilterResult<Id>> filterValueObservable ) {
//ignore what our input was, and simply emit the id specified
return filterValueObservable.map( idFilterResult -> new FilterResult( entityId, idFilterResult.getPath() ));
}
}