/*
* Copyright 2015 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.model.internal.core;
import com.google.common.base.Predicate;
import com.google.common.base.Predicates;
import org.gradle.model.internal.type.ModelType;
public class ModelNodes {
public static Predicate<MutableModelNode> all() {
return Predicates.alwaysTrue();
}
public static Predicate<MutableModelNode> withType(Class<?> type) {
return withType(ModelType.of(type));
}
public static Predicate<MutableModelNode> withType(final ModelType<?> type) {
return withType(type, Predicates.<MutableModelNode>alwaysTrue());
}
public static Predicate<MutableModelNode> withType(Class<?> type, Predicate<? super MutableModelNode> predicate) {
return withType(ModelType.of(type), predicate);
}
public static Predicate<MutableModelNode> withType(final ModelType<?> type, final Predicate<? super MutableModelNode> predicate) {
return new Predicate<MutableModelNode>() {
@Override
public boolean apply(MutableModelNode node) {
node.ensureAtLeast(ModelNode.State.Discovered);
return node.canBeViewedAs(type) && predicate.apply(node);
}
};
}
}