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ArrayFromItemGetter.java
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42 lines (33 loc) · 1.04 KB
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package org.psjava.ds;
import org.psjava.ds.array.PSArray;
import org.psjava.ds.array.ArrayIterator;
import org.psjava.util.GetterByIndex;
import org.psjava.util.IterableToString;
import java.util.Iterator;
// TODO to make code shorter, try to apply this to exist classes which implements Array
public class ArrayFromItemGetter {
public static <T> PSArray<T> create(final int size, final GetterByIndex<T> getter) {
return new PSArray<T>() {
@Override
public T get(int index) {
return getter.get(index);
}
@Override
public int size() {
return size;
}
@Override
public boolean isEmpty() {
return size() == 0;
}
@Override
public Iterator<T> iterator() {
return ArrayIterator.create(this);
}
@Override
public String toString() {
return IterableToString.toString(this);
}
};
}
}