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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.util.functions;
import rx.Observer;
/**
* @deprecated
*/
@Deprecated
public final class Actions {
private Actions() {
throw new IllegalStateException("No instances!");
}
public static final EmptyAction empty() {
return EMPTY_ACTION;
}
private static final EmptyAction EMPTY_ACTION = new EmptyAction();
private static final class EmptyAction implements Action0, Action1, Action2, Action3, Action4, Action5, Action6, Action7, Action8, Action9, ActionN {
@Override
public void call() {
}
@Override
public void call(Object t1) {
}
@Override
public void call(Object t1, Object t2) {
}
@Override
public void call(Object t1, Object t2, Object t3) {
}
@Override
public void call(Object t1, Object t2, Object t3, Object t4) {
}
@Override
public void call(Object t1, Object t2, Object t3, Object t4, Object t5) {
}
@Override
public void call(Object t1, Object t2, Object t3, Object t4, Object t5, Object t6) {
}
@Override
public void call(Object t1, Object t2, Object t3, Object t4, Object t5, Object t6, Object t7) {
}
@Override
public void call(Object t1, Object t2, Object t3, Object t4, Object t5, Object t6, Object t7, Object t8) {
}
@Override
public void call(Object t1, Object t2, Object t3, Object t4, Object t5, Object t6, Object t7, Object t8, Object t9) {
}
@Override
public void call(Object... args) {
}
}
/**
* Extracts a method reference to the observer's onNext method
* in the form of an Action1.
* Java 8: observer::onNext
*
* @param observer
* the observer to use
* @return an action which calls the observer's onNext method.
*/
public static Action1 onNextFrom(final Observer observer) {
return new Action1() {
@Override
public void call(T t1) {
observer.onNext(t1);
}
};
}
/**
* Extracts a method reference to the observer's onError method
* in the form of an Action1.
* Java 8: observer::onError
*
* @param observer
* the observer to use
* @return an action which calls the observer's onError method.
*/
public static Action1 onErrorFrom(final Observer observer) {
return new Action1() {
@Override
public void call(Throwable t1) {
observer.onError(t1);
}
};
}
/**
* Extracts a method reference to the observer's onCompleted method
* in the form of an Action0.
* Java 8: observer::onCompleted
*
* @param observer
* the observer to use
* @return an action which calls the observer's onCompleted method.
*/
public static Action0 onCompletedFrom(final Observer observer) {
return new Action0() {
@Override
public void call() {
observer.onCompleted();
}
};
}
/**
* Convert an action to a function which calls
* the action returns Void (null).
*
* @param action
* @return {@link Func0}
*/
public static Func0 toFunc(final Action0 action) {
return toFunc(action, (Void) null);
}
/**
* Convert an action to a function which calls
* the action returns Void (null).
*
* @param action
* @return {@link Func0}
*/
public static Func1 toFunc(final Action1 action) {
return toFunc(action, (Void) null);
}
/**
* Convert an action to a function which calls
* the action returns Void (null).
*
* @param action
* @return {@link Func0}
*/
public static Func2 toFunc(final Action2 action) {
return toFunc(action, (Void) null);
}
/**
* Convert an action to a function which calls
* the action returns Void (null).
*
* @param action
* @return {@link Func0}
*/
public static Func3 toFunc(final Action3 action) {
return toFunc(action, (Void) null);
}
/**
* Convert an action to a function which calls
* the action returns Void (null).
*
* @param action
* @return {@link Func0}
*/
public static Func4 toFunc(final Action4 action) {
return toFunc(action, (Void) null);
}
/**
* Convert an action to a function which calls
* the action returns Void (null).
*
* @param action
* @return {@link Func0}
*/
public static Func5 toFunc(
final Action5 action) {
return toFunc(action, (Void) null);
}
/**
* Convert an action to a function which calls
* the action returns Void (null).
*
* @param action
* @return {@link Func0}
*/
public static Func6 toFunc(
final Action6 action) {
return toFunc(action, (Void) null);
}
/**
* Convert an action to a function which calls
* the action returns Void (null).
*
* @param action
* @return {@link Func0}
*/
public static Func7 toFunc(
final Action7 action) {
return toFunc(action, (Void) null);
}
/**
* Convert an action to a function which calls
* the action returns Void (null).
*
* @param action
* @return {@link Func0}
*/
public static Func8 toFunc(
final Action8 action) {
return toFunc(action, (Void) null);
}
/**
* Convert an action to a function which calls
* the action returns Void (null).
*
* @param action
* @return {@link Func0}
*/
public static Func9 toFunc(
final Action9 action) {
return toFunc(action, (Void) null);
}
/**
* Convert an action to a function which calls
* the action returns Void (null).
*
* @param action
* @return {@link Func0}
*/
public static FuncN toFunc(
final ActionN action) {
return toFunc(action, (Void) null);
}
/**
* Convert an action to a function which calls
* the action returns the given result.
*
* @param action
* @param result
* @return {@link Func0}
*/
public static Func0 toFunc(final Action0 action, final R result) {
return new Func0() {
@Override
public R call() {
action.call();
return result;
}
};
}
/**
* Convert an action to a function which calls
* the action returns Void (null).
*
* @param action
* @param result
* @return {@link Func0}
*/
public static Func1 toFunc(final Action1 action, final R result) {
return new Func1() {
@Override
public R call(T1 t1) {
action.call(t1);
return result;
}
};
}
/**
* Convert an action to a function which calls
* the action returns Void (null).
*
* @param action
* @param result
* @return {@link Func0}
*/
public static Func2 toFunc(final Action2 action, final R result) {
return new Func2() {
@Override
public R call(T1 t1, T2 t2) {
action.call(t1, t2);
return result;
}
};
}
/**
* Convert an action to a function which calls
* the action returns Void (null).
*
* @param action
* @param result
* @return {@link Func0}
*/
public static Func3 toFunc(final Action3 action, final R result) {
return new Func3() {
@Override
public R call(T1 t1, T2 t2, T3 t3) {
action.call(t1, t2, t3);
return result;
}
};
}
/**
* Convert an action to a function which calls
* the action returns Void (null).
*
* @param action
* @param result
* @return {@link Func0}
*/
public static Func4 toFunc(final Action4 action, final R result) {
return new Func4() {
@Override
public R call(T1 t1, T2 t2, T3 t3, T4 t4) {
action.call(t1, t2, t3, t4);
return result;
}
};
}
/**
* Convert an action to a function which calls
* the action returns Void (null).
*
* @param action
* @param result
* @return {@link Func0}
*/
public static Func5 toFunc(
final Action5 action, final R result) {
return new Func5() {
@Override
public R call(T1 t1, T2 t2, T3 t3, T4 t4, T5 t5) {
action.call(t1, t2, t3, t4, t5);
return result;
}
};
}
/**
* Convert an action to a function which calls
* the action returns Void (null).
*
* @param action
* @param result
* @return {@link Func0}
*/
public static Func6 toFunc(
final Action6 action, final R result) {
return new Func6() {
@Override
public R call(T1 t1, T2 t2, T3 t3, T4 t4, T5 t5, T6 t6) {
action.call(t1, t2, t3, t4, t5, t6);
return result;
}
};
}
/**
* Convert an action to a function which calls
* the action returns Void (null).
*
* @param action
* @param result
* @return {@link Func0}
*/
public static Func7 toFunc(
final Action7 action, final R result) {
return new Func7() {
@Override
public R call(T1 t1, T2 t2, T3 t3, T4 t4, T5 t5, T6 t6, T7 t7) {
action.call(t1, t2, t3, t4, t5, t6, t7);
return result;
}
};
}
/**
* Convert an action to a function which calls
* the action returns Void (null).
*
* @param action
* @param result
* @return {@link Func0}
*/
public static Func8 toFunc(
final Action8 action, final R result) {
return new Func8() {
@Override
public R call(T1 t1, T2 t2, T3 t3, T4 t4, T5 t5, T6 t6, T7 t7, T8 t8) {
action.call(t1, t2, t3, t4, t5, t6, t7, t8);
return result;
}
};
}
/**
* Convert an action to a function which calls
* the action returns Void (null).
*
* @param action
* @param result
* @return {@link Func0}
*/
public static Func9 toFunc(
final Action9 action, final R result) {
return new Func9() {
@Override
public R call(T1 t1, T2 t2, T3 t3, T4 t4, T5 t5, T6 t6, T7 t7, T8 t8, T9 t9) {
action.call(t1, t2, t3, t4, t5, t6, t7, t8, t9);
return result;
}
};
}
/**
* Convert an action to a function which calls
* the action returns Void (null).
*
* @param action
* @param result
* @return {@link Func0}
*/
public static FuncN toFunc(
final ActionN action, final R result) {
return new FuncN() {
@Override
public R call(Object... args) {
action.call(args);
return result;
}
};
}
}
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