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/**
*
* 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 com.agfa.hap.sdo.implementation;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.LinkedList;
import java.util.List;
import com.agfa.hap.sdo.DataMapper;
import com.agfa.hap.sdo.Snapshot;
public class SnapshotUnion implements Snapshot {
/**
*
*/
private static final long serialVersionUID = 2888458945891090081L;
Collection<Snapshot> snapshots;
public SnapshotUnion(Collection<Snapshot> snapshots){
this.snapshots = snapshots;
}
public SnapshotUnion(Snapshot firstSnapshot, Snapshot secondSnapshot) {
this(new LinkedList(Arrays.asList(new Snapshot[]{firstSnapshot, secondSnapshot}))); //linkedlist instead of arraylist because of a jboss bug
}
public <T> List<T> extract(DataMapper<T> mapper) {
List<T> extraction = new ArrayList<T>();
for (Snapshot snapshot : snapshots){
extraction.addAll(snapshot.extract(mapper));
}
return extraction;
}
}
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