evolvedbinary / elemental / 982

Committed 29 Apr 2025 08:34PM UTC coverage: 56.409% (+0.007%) from 56.402%

Build # 982

Build Type

push

circleci

Committed by

adamretter

Commit Message

[feature] Improve README.md badges

Run Details

28451 of 55847 branches covered (50.94%)

Branch coverage included in aggregate %.

77468 of 131924 relevant lines covered (58.72%)

0.59 hits per line

Source File
Press 'n' to go to next uncovered line, 'b' for previous

77.78

/exist-core/src/main/java/org/exist/util/CollectionOfArrayIterator.java

/*
 * Elemental
 * Copyright (C) 2024, Evolved Binary Ltd
 *
 * admin@evolvedbinary.com
 * https://www.evolvedbinary.com | https://www.elemental.xyz
 *
 * Use of this software is governed by the Business Source License 1.1
 * included in the LICENSE file and at www.mariadb.com/bsl11.
 *
 * Change Date: 2028-04-27
 *
 * On the date above, in accordance with the Business Source License, use
 * of this software will be governed by the Apache License, Version 2.0.
 *
 * Additional Use Grant: Production use of the Licensed Work for a permitted
 * purpose. A Permitted Purpose is any purpose other than a Competing Use.
 * A Competing Use means making the Software available to others in a commercial
 * product or service that: substitutes for the Software; substitutes for any
 * other product or service we offer using the Software that exists as of the
 * date we make the Software available; or offers the same or substantially
 * similar functionality as the Software.
 */
package org.exist.util;

import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;
import java.util.NoSuchElementException;

/**
 * Iterator over a Collection of array.
 *
 * @author <a href="mailto:adam@evolvedbinary.com">Adam Retter</a>
 */
public class CollectionOfArrayIterator<T> implements Iterator<T> {

    private final Iterator<T[]> itArrays;

    public CollectionOfArrayIterator(final Collection<T[]> collectionOfArrays) {
        if (collectionOfArrays == null) {
            this.itArrays = Collections.emptyIterator();
        } else {
            this.itArrays = collectionOfArrays.iterator();
        }
    }

    private int arrayIdx = -1;  // -1 indicates BoF state
    private T[] array = null;

    @Override
    public boolean hasNext() {
        if (arrayIdx == -1) {
            while (itArrays.hasNext()) {
                array = itArrays.next();
                arrayIdx = 0;
                if (arrayIdx < array.length) {
                    return true;
                }
            }
            return false;
        }

        if (array == null && itArrays.hasNext()) {
            array = itArrays.next();
            arrayIdx = 0;
        }

        if (arrayIdx < array.length) {
            return true;
        } else {
            while (itArrays.hasNext()) {
                array = itArrays.next();
                arrayIdx = 0;
                if (arrayIdx < array.length) {
                    return true;
                }
            }
            return false;
        }
    }

    @Override
    public T next() {
        if (arrayIdx == -1) {
            array = itArrays.next();
            arrayIdx = 0;
        }

        if (arrayIdx < array.length) {
            return array[arrayIdx++];
        }

        while (itArrays.hasNext()) {
            array = itArrays.next();
            arrayIdx = 0;
            if (arrayIdx < array.length) {
                return array[arrayIdx++];
            }
        }

        throw new NoSuchElementException();
    }
}

1	/*
2	* Elemental
3	* Copyright (C) 2024, Evolved Binary Ltd
4	*
5	* admin@evolvedbinary.com
6	* https://www.evolvedbinary.com \| https://www.elemental.xyz
7	*
8	* Use of this software is governed by the Business Source License 1.1
9	* included in the LICENSE file and at www.mariadb.com/bsl11.
10	*
11	* Change Date: 2028-04-27
12	*
13	* On the date above, in accordance with the Business Source License, use
14	* of this software will be governed by the Apache License, Version 2.0.
15	*
16	* Additional Use Grant: Production use of the Licensed Work for a permitted
17	* purpose. A Permitted Purpose is any purpose other than a Competing Use.
18	* A Competing Use means making the Software available to others in a commercial
19	* product or service that: substitutes for the Software; substitutes for any
20	* other product or service we offer using the Software that exists as of the
21	* date we make the Software available; or offers the same or substantially
22	* similar functionality as the Software.
23	*/
24	package org.exist.util;
25
26	import java.util.Collection;
27	import java.util.Collections;
28	import java.util.Iterator;
29	import java.util.NoSuchElementException;
30
31	/**
32	* Iterator over a Collection of array.
33	*
34	* @author <a href="mailto:adam@evolvedbinary.com">Adam Retter</a>
35	*/
36	public class CollectionOfArrayIterator<T> implements Iterator<T> {
37
38	private final Iterator<T[]> itArrays;
39
40	public CollectionOfArrayIterator(final Collection<T[]> collectionOfArrays) {	1✔
41	if (collectionOfArrays == null) {	1✔
42	this.itArrays = Collections.emptyIterator();	1✔
43	} else {	1✔
44	this.itArrays = collectionOfArrays.iterator();	1✔
45	}
46	}	1✔
47
48	private int arrayIdx = -1; // -1 indicates BoF state	1✔
49	private T[] array = null;	1✔
50
51	@Override
52	public boolean hasNext() {
53	if (arrayIdx == -1) {	1✔
54	while (itArrays.hasNext()) {	1✔
55	array = itArrays.next();	1✔
56	arrayIdx = 0;	1✔
57	if (arrayIdx < array.length) {	1✔
58	return true;	1✔
59	}
60	}
61	return false;	1✔
62	}
63
64	if (array == null && itArrays.hasNext()) {	1!
65	array = itArrays.next();	×
66	arrayIdx = 0;	×
67	}
68
69	if (arrayIdx < array.length) {	1✔
70	return true;	1✔
71	} else {
72	while (itArrays.hasNext()) {	1✔
73	array = itArrays.next();	1✔
74	arrayIdx = 0;	1✔
75	if (arrayIdx < array.length) {	1✔
76	return true;	1✔
77	}
78	}
79	return false;	1✔
80	}
81	}
82
83	@Override
84	public T next() {
85	if (arrayIdx == -1) {	1✔
86	array = itArrays.next();	×
87	arrayIdx = 0;	×
88	}
89
90	if (arrayIdx < array.length) {	1✔
91	return array[arrayIdx++];	1✔
92	}
93
94	while (itArrays.hasNext()) {	1!
95	array = itArrays.next();	×
96	arrayIdx = 0;	×
97	if (arrayIdx < array.length) {	×
98	return array[arrayIdx++];	×
99	}
100	}
101
102	throw new NoSuchElementException();	1✔
103	}
104	}

evolvedbinary / elemental / 982

Source File Press 'n' to go to next uncovered line, 'b' for previous

Source File
Press 'n' to go to next uncovered line, 'b' for previous