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The module for FunctionalJ Core.
// ============================================================================
// Copyright (c) 2017-2021 Nawapunth Manusitthipol (NawaMan - http://nawaman.net).
// ----------------------------------------------------------------------------
// MIT License
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
// ============================================================================
package functionalj.stream.longstream;
import java.util.function.LongFunction;
import java.util.function.LongPredicate;
import java.util.function.LongUnaryOperator;
import functionalj.stream.StreamPlus;
import lombok.val;
public interface LongStreamPlusWithMap {
public LongStreamPlus longStreamPlus();
/** Map the value using the mapper. */
public default StreamPlus mapToObj(LongFunction extends T> mapper) {
val streamPlus = longStreamPlus();
return streamPlus.mapToObj(mapper);
}
/** Map the value using the mapper only when the condition is true. */
public default LongStreamPlus mapOnly(
LongPredicate condition,
LongUnaryOperator mapper) {
val streamPlus = longStreamPlus();
return streamPlus
.map(value -> {
val isTrue = condition.test(value);
val mapped = isTrue
? mapper.applyAsLong(value)
: value;
return mapped;
});
}
/** Map the value using the mapper only when the condition is true. Otherwise, map using the elseMapper. */
public default LongStreamPlus mapIf(
LongPredicate condition,
LongUnaryOperator mapper,
LongUnaryOperator elseMapper) {
val streamPlus = longStreamPlus();
return streamPlus
.map(value -> {
val isTrue = condition.test(value);
val mapped = isTrue
? mapper .applyAsLong(value)
: elseMapper.applyAsLong(value);
return mapped;
});
}
/** Map the value using the mapper only when the condition is true. Otherwise, map using the elseMapper. */
public default StreamPlus mapToObjIf(
LongPredicate condition,
LongFunction mapper,
LongFunction elseMapper) {
val streamPlus = longStreamPlus();
return streamPlus
.mapToObj(value -> {
val isTrue = condition.test(value);
val mapped = isTrue
? mapper .apply(value)
: elseMapper.apply(value);
return mapped;
});
}
}