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/*
* SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/>
*
* SPDX-License-Identifier: EPL-2.0
*/
package tools.refinery.store.tuple;
import java.util.Arrays;
import java.util.stream.Collectors;
import static tools.refinery.store.tuple.TupleConstants.*;
public final class TupleN implements Tuple {
private final int[] values;
TupleN(int[] values) {
if (values.length < MAX_STATIC_ARITY_TUPLE_SIZE) {
throw new IllegalArgumentException("Tuples of size at most %d must use static arity Tuple classes"
.formatted(MAX_STATIC_ARITY_TUPLE_SIZE));
}
this.values = Arrays.copyOf(values, values.length);
}
@Override
public int getSize() {
return values.length;
}
@Override
public int get(int element) {
return values[element];
}
@Override
public Tuple set(int element, int value) {
int size = getSize();
var newValues = new int[size];
for (int i = 0; i < size; i++) {
newValues[i] = element == i ? value : values[i];
}
return Tuple.of(newValues);
}
@Override
public String toString() {
var valuesString = Arrays.stream(values)
.mapToObj(Integer::toString)
.collect(Collectors.joining(TUPLE_SEPARATOR));
return TUPLE_BEGIN + valuesString + TUPLE_END;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
TupleN other = (TupleN) obj;
return Arrays.equals(values, other.values);
}
@Override
public int hashCode() {
return Arrays.hashCode(values);
}
}
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