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rxjava-core developed by Netflix
/**
* Copyright 2014 Netflix, Inc.
*
* 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 rx.joins;
import rx.Observable;
import rx.functions.Func1;
/**
* Represents a join pattern over one observable sequence.
*/
public class Pattern1 implements Pattern {
private final Observable first;
public Pattern1(Observable first) {
this.first = first;
}
public Observable first() {
return first;
}
/**
* Matches when all observable sequences have an available
* element and projects the elements by invoking the selector function.
*
* @param selector
* the function that will be invoked for elements in the source sequences.
* @return
* @throws NullPointerException
* if selector is null
*/
public Plan0 then(Func1 selector) {
if (selector == null) {
throw new NullPointerException();
}
return new Plan1(this, selector);
}
}
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