/* | |
* Licensed to the Apache Software Foundation (ASF) under one | |
* or more contributor license agreements. See the NOTICE file | |
* distributed with this work for additional information | |
* regarding copyright ownership. The ASF licenses this file | |
* to you under the Apache License, Version 2.0 (the | |
* "License"); you may not use this file except in compliance | |
* with the License. You may obtain a copy of the License at | |
* | |
* http://www.apache.org/licenses/LICENSE-2.0 | |
* | |
* Unless required by applicable law or agreed to in writing, | |
* software distributed under the License is distributed on an | |
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
* KIND, either express or implied. See the License for the | |
* specific language governing permissions and limitations | |
* under the License. | |
*/ | |
package org.apache.uima; | |
import java.util.Arrays; | |
import java.util.NoSuchElementException; | |
import java.util.PrimitiveIterator.OfInt; | |
import org.apache.uima.internal.util.IntListIterator; | |
import org.apache.uima.util.impl.Constants; | |
/** | |
* a List API that returns ints instead of T | |
*/ | |
public interface List_of_ints extends Iterable<Integer> { | |
/* (non-Javadoc) | |
* @see java.util.List#size() | |
*/ | |
public int size(); | |
/* (non-Javadoc) | |
* @see java.util.List#isEmpty() | |
*/ | |
default boolean isEmpty() { | |
return size() == 0; | |
}; | |
/* (non-Javadoc) | |
* @see java.util.List#contains(java.lang.Object) | |
*/ | |
default boolean contains(int i) { | |
return indexOf(i) != -1; | |
} | |
/* (non-Javadoc) | |
* @see java.util.List#toArray() | |
*/ | |
public int[] toArray(); | |
/** | |
* Avoid copying, return the original array, if start/end offsets not in use | |
* @return - | |
*/ | |
public int[] toArrayMinCopy(); | |
/* (non-Javadoc) | |
* @see java.util.List#add(java.lang.Object) | |
*/ | |
public boolean add(int i); | |
/* (non-Javadoc) | |
* @see java.util.List#remove(java.lang.Object) | |
*/ | |
public boolean remove(int i); | |
/* (non-Javadoc) | |
* @see java.util.List#clear() | |
*/ | |
public void clear(); | |
/* (non-Javadoc) | |
* @see java.util.List#get(int) | |
*/ | |
public int get(int index); | |
/* (non-Javadoc) | |
* @see java.util.List#set(int, java.lang.Object) | |
*/ | |
public int set(int index, int element); | |
/* (non-Javadoc) | |
* @see java.util.List#add(int, java.lang.Object) | |
*/ | |
public void add(int index, int element); | |
/* (non-Javadoc) | |
* @see java.util.List#remove(int) | |
*/ | |
public int removeAtIndex(int index); | |
/* (non-Javadoc) | |
* @see java.util.List#indexOf(java.lang.Object) | |
*/ | |
public int indexOf(int i); | |
/* (non-Javadoc) | |
* @see java.util.List#lastIndexOf(java.lang.Object) | |
*/ | |
public int lastIndexOf(int i); | |
public List_of_ints subList(int fromIndex, int toIndex); | |
public OfInt iterator(); | |
public IntListIterator intListIterator(); | |
public void copyFromArray(int[] src, int srcPos, int destPos, int length); | |
public void copyToArray(int srcPos, int[] dest, int destPos, int length); | |
public void sort(); | |
public static List_of_ints EMPTY_LIST() { | |
return new List_of_ints() { | |
@Override | |
public int[] toArray() { | |
return Constants.EMPTY_INT_ARRAY; | |
} | |
@Override | |
public int[] toArrayMinCopy() { | |
return Constants.EMPTY_INT_ARRAY; | |
} | |
@Override | |
public List_of_ints subList(int fromIndex, int toIndex) { | |
throw new IndexOutOfBoundsException(); | |
} | |
@Override | |
public int size() { | |
return 0; | |
} | |
@Override | |
public int set(int index, int element) { | |
throw new IndexOutOfBoundsException(); | |
} | |
@Override | |
public int removeAtIndex(int index) { | |
throw new IndexOutOfBoundsException(); | |
} | |
@Override | |
public boolean remove(int i) { | |
return false; | |
} | |
@Override | |
public int lastIndexOf(int i) { | |
return -1; | |
} | |
@Override | |
public int indexOf(int i) { | |
return -1; | |
} | |
@Override | |
public int get(int index) { | |
throw new IndexOutOfBoundsException(); | |
} | |
@Override | |
public boolean contains(int i) { | |
return false; | |
} | |
@Override | |
public void clear() { | |
} | |
@Override | |
public void add(int index, int element) { | |
throw new UnsupportedOperationException(); | |
} | |
@Override | |
public boolean add(int i) { | |
throw new UnsupportedOperationException(); | |
} | |
@Override | |
public OfInt iterator() { | |
return new OfInt() { | |
@Override | |
public boolean hasNext() {return false;} | |
@Override | |
public Integer next() {throw new NoSuchElementException();} | |
@Override | |
public int nextInt() {throw new NoSuchElementException();} | |
}; | |
} | |
@Override | |
public IntListIterator intListIterator() { | |
return new IntListIterator() { | |
@Override | |
public boolean hasNext() {return false;} | |
@Override | |
public int nextNvc() {throw new IllegalStateException();} | |
@Override | |
public boolean hasPrevious() {return false;} | |
@Override | |
public int previousNvc() {throw new IllegalStateException();} | |
@Override | |
public void moveToStart() {} | |
@Override | |
public void moveToEnd() {} | |
}; | |
} | |
@Override | |
public void copyFromArray(int[] src, int srcPos, int destPos, int length) { | |
throw new UnsupportedOperationException(); | |
} | |
@Override | |
public void copyToArray(int srcPos, int[] dest, int destPos, int length) { | |
throw new UnsupportedOperationException(); | |
} | |
@Override | |
public void sort() {}; | |
}; | |
} | |
static List_of_ints newInstance(int[] ia) { | |
return newInstance(ia, 0, ia.length); | |
} | |
static List_of_ints newInstance(final int[] ia, final int start, final int end) { | |
return new List_of_ints() { | |
@Override | |
public int size() { | |
return end - start; | |
} | |
@Override | |
public int[] toArray() { | |
return Arrays.copyOfRange(ia, start, end); | |
} | |
@Override | |
public int[] toArrayMinCopy() { | |
return (start == 0 && end == size()) | |
? ia | |
: toArray(); | |
} | |
@Override | |
public boolean add(int i) { | |
throw new UnsupportedOperationException(); | |
} | |
@Override | |
public boolean remove(int i) { | |
throw new UnsupportedOperationException(); | |
} | |
@Override | |
public void clear() { | |
throw new UnsupportedOperationException(); | |
} | |
@Override | |
public int get(int index) { | |
return ia[start + index]; | |
} | |
@Override | |
public int set(int index, int element) { | |
int r = get(start + index); | |
ia[start + index] = element; | |
return r; | |
} | |
@Override | |
public void add(int index, int element) { | |
throw new UnsupportedOperationException(); | |
} | |
@Override | |
public int removeAtIndex(int index) { | |
throw new UnsupportedOperationException(); | |
} | |
@Override | |
public int indexOf(int e) { | |
for (int i = start; i < end; i++) { | |
if (e == ia[i]) { | |
return i; | |
} | |
} | |
return -1; | |
} | |
@Override | |
public int lastIndexOf(int e) { | |
for (int i = end - 1; i >= start; i--) { | |
if (e == ia[i]) { | |
return i; | |
} | |
} | |
return -1; | |
} | |
@Override | |
public List_of_ints subList(int fromIndex, int toIndex) { | |
return List_of_ints.newInstance(ia, start + fromIndex, start + toIndex); | |
} | |
@Override | |
public OfInt iterator() { | |
return new OfInt () { | |
int pos = 0; | |
@Override | |
public boolean hasNext() { | |
return pos < ia.length; | |
} | |
@Override | |
public Integer next() { | |
if (!hasNext()) { | |
throw new NoSuchElementException(); | |
} | |
return ia[pos++]; | |
} | |
@Override | |
public int nextInt() { | |
if (!hasNext()) { | |
throw new NoSuchElementException(); | |
} | |
return ia[pos++]; | |
} | |
}; | |
} | |
@Override | |
public IntListIterator intListIterator() { | |
return new IntListIterator() { | |
private int pos = 0; | |
@Override | |
public boolean hasNext() { | |
return pos >= 0 && pos < size(); | |
} | |
@Override | |
public int nextNvc() { | |
return get(pos++); | |
} | |
@Override | |
public boolean hasPrevious() { | |
return pos > 0 && pos < size(); | |
} | |
@Override | |
public int previousNvc() { | |
return get(--pos); | |
} | |
@Override | |
public void moveToStart() { | |
pos = 0; | |
} | |
@Override | |
public void moveToEnd() { | |
pos = size() - 1; | |
} | |
}; | |
} | |
@Override | |
public void copyFromArray(int[] src, int srcPos, int destPos, int length) { | |
System.arraycopy(src, srcPos, ia, start + destPos, length); | |
} | |
@Override | |
public void copyToArray(int srcPos, int[] dest, int destPos, int length) { | |
System.arraycopy(ia, start + srcPos, dest, destPos, length); | |
} | |
@Override | |
public void sort() { | |
Arrays.sort(ia, start, end); | |
} | |
}; | |
} | |
} |