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Library for use in Java components of Vespa. Shared code which do
not fit anywhere else.
// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.tensor.impl;
import com.yahoo.tensor.TensorAddress;
/**
* A one-dimensional address.
*
* @author baldersheim
*/
final class TensorAddressAny1 extends TensorAddressAny {
private final long label;
TensorAddressAny1(long label) { this.label = label; }
@Override public int size() { return 1; }
@Override
public long numericLabel(int i) {
if (i == 0) {
return label;
}
throw new IndexOutOfBoundsException("Index is not zero: " + i);
}
@Override
public TensorAddress withLabel(int labelIndex, long label) {
if (labelIndex == 0) return new TensorAddressAny1(label);
throw new IllegalArgumentException("No label " + labelIndex);
}
@Override public int hashCode() { return (int)Math.abs(label); }
@Override
public boolean equals(Object o) {
return (o instanceof TensorAddressAny1 any) && (label == any.label);
}
}