/*
* Copyright 2017 the original author or authors.
*
* 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.
*/
package org.gradle.api.internal.artifacts.ivyservice.resolveengine.excludes;
import com.google.common.collect.Iterators;
import org.gradle.internal.Cast;
import java.util.Collection;
import java.util.Iterator;
import java.util.Set;
final class ImmutableModuleExclusionSet implements Set<AbstractModuleExclusion> {
private final Set<AbstractModuleExclusion> delegate;
final AbstractModuleExclusion[] elements;
private final int hashCode;
ImmutableModuleExclusionSet(Set<AbstractModuleExclusion> delegate) {
this.delegate = delegate;
this.elements = delegate.toArray(new AbstractModuleExclusion[0]);
this.hashCode = delegate.hashCode();
}
@Override
public int size() {
return delegate.size();
}
@Override
public boolean isEmpty() {
return delegate.isEmpty();
}
@Override
public boolean contains(Object o) {
return delegate.contains(o);
}
@Override
public Iterator<AbstractModuleExclusion> iterator() {
return Iterators.forArray(elements);
}
@Override
public Object[] toArray() {
return elements;
}
@Override
public <T> T[] toArray(T[] a) {
return Cast.uncheckedCast(elements);
}
@Override
public boolean add(AbstractModuleExclusion abstractModuleExclusion) {
throw new UnsupportedOperationException();
}
@Override
public boolean remove(Object o) {
throw new UnsupportedOperationException();
}
@Override
public boolean containsAll(Collection<?> c) {
return delegate.containsAll(c);
}
@Override
public boolean addAll(Collection<? extends AbstractModuleExclusion> c) {
throw new UnsupportedOperationException();
}
@Override
public boolean retainAll(Collection<?> c) {
throw new UnsupportedOperationException();
}
@Override
public boolean removeAll(Collection<?> c) {
throw new UnsupportedOperationException();
}
@Override
public void clear() {
throw new UnsupportedOperationException();
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
ImmutableModuleExclusionSet that = (ImmutableModuleExclusionSet) o;
if (hashCode != that.hashCode) {
return false;
}
return delegate.equals(that.delegate);
}
@Override
public int hashCode() {
return hashCode;
}
}