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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.list.doublelist;
import java.util.Objects;
import java.util.OptionalDouble;
import functionalj.stream.doublestream.DoubleStreamPlus;
import functionalj.stream.doublestream.GrowOnlyDoubleArray;
public class DoubleFuncListBuilder {
private final GrowOnlyDoubleArray list;
// This constructor must not be public or protected.
DoubleFuncListBuilder(GrowOnlyDoubleArray list) {
this.list = list;
}
public DoubleFuncListBuilder() {
list = new GrowOnlyDoubleArray();
}
public DoubleFuncListBuilder(double ... values) {
list = new GrowOnlyDoubleArray(values);
}
public DoubleFuncListBuilder add(double data) {
list.add(data);
return this;
}
public DoubleFuncList build() {
int length = list.length();
return DoubleFuncList.from(() -> list.stream().limit(length));
}
public DoubleFuncList toFuncList() {
return build();
}
public int size() {
return list.length();
}
public boolean isEmpty() {
return size() == 0;
}
public DoubleStreamPlus stream() {
return DoubleStreamPlus.from(list.stream());
}
public double get(int i) {
return list.get(i);
}
public OptionalDouble at(int i) {
if (i < 0 || i >= list.length())
return OptionalDouble.empty();
return OptionalDouble.of(list.get(i));
}
public String toString() {
return list.toString();
}
public int hashCode() {
return list.hashCode();
}
public boolean equals(DoubleFuncListBuilder array) {
return Objects.equals(list, array.list);
}
}