com.regnosys.rosetta.common.util.CollectionUtils Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of rosetta-common Show documentation
Show all versions of rosetta-common Show documentation
Rune Common is a java library that is utilised by Rosetta Code Generators and models expressed in the Rosetta DSL.
package com.regnosys.rosetta.common.util;
/*-
* ==============
* Rune Common
* ==============
* Copyright (C) 2018 - 2024 REGnosys
* ==============
* Licensed 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.
* ==============
*/
import java.util.Collection;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.function.BiPredicate;
public class CollectionUtils {
/**
* Tests if two lists contain matching elements in the same order
*
* @param list1
* A list
* @param list2
* A list
* @param comparer
* A BiPredicate that compares two objects and returns true if they
* "match"
* @return
*/
public static boolean listMatch(List list1, List list2, BiPredicate comparer) {
if (list1.size() != list2.size())
return false;
Iterator it1 = list1.iterator();
for (Iterator it2 = list2.iterator(); it2.hasNext();) {
A a2 = it2.next();
A a1 = it1.next();
if (!comparer.test(a1, a2))
return false;
}
return true;
}
/**
* Tests if two collections contain matching elements (ignoring ordering)
*
* @param col1
* A collection
* @param col2
* A collection
* @param comparer
* A BiPredicate that compares two objects and returns true if they
* "match"
* @return
*/
public static boolean collectionContains(Collection col1, Collection col2, BiPredicate comparer) {
List tempCol = new LinkedList<>(col2);
for (A a1 : col1) {
Iterator it = tempCol.iterator();
boolean found = false;
while (!found && it.hasNext()) {
A a2 = it.next();
if (comparer.test(a1, a2)) {
found = true;
it.remove();
}
}
if (!found)
return false;
}
return true;
}
}