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/*******************************************************************************
* Copyright (c) 2004-2008 Gabor Bergmann and Daniel Varro
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0 which is available at
* http://www.eclipse.org/legal/epl-v20.html.
*
* SPDX-License-Identifier: EPL-2.0
*******************************************************************************/
package tools.refinery.viatra.runtime.matchers.tuple;
import java.util.Arrays;
/**
* Default Tuple implementation, with statically unknown arity.
* @author Gabor Bergmann
*/
public final class FlatTuple extends BaseFlatTuple {
/**
* Array of substituted values. DO NOT MODIFY! Use Constructor to build a new instance instead.
*/
private final Object[] elements;
/**
* Creates a FlatTuple instance, fills it with the given array.
* <p> Users should consider calling {@link Tuples#flatTupleOf(Object...)} instead to save memory on low-arity tuples.
*
* @param elements
* array of substitution values
*/
protected FlatTuple(Object... elements) {
this.elements = Arrays.copyOf(elements, elements.length);
calcHash();
}
@Override
public Object get(int index) {
return elements[index];
}
@Override
public int getSize() {
return elements.length;
}
@Override
public Object[] getElements() {
return elements;
}
@Override
protected boolean internalEquals(ITuple other) {
if (other instanceof FlatTuple) {
return Arrays.equals(elements, ((FlatTuple) other).elements);
} else
return super.internalEquals(other);
}
}
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