/*
* Copyright 2016 Red Hat, Inc. and/or its affiliates.
*
* 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.optaplanner.core.impl.score.director.drools.testgen.fact;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
import java.util.stream.Collectors;
class TestGenSetValueProvider extends TestGenAbstractValueProvider<Set<?>> {
private final String identifier;
private final Type typeArgument;
private final Map<Object, TestGenFact> existingInstances;
private final List<Class<?>> imports = new ArrayList<>();
private final List<TestGenFact> requiredFacts;
public TestGenSetValueProvider(Set<?> value, String identifier, Type genericType,
Map<Object, TestGenFact> existingInstances) {
super(value);
this.identifier = identifier;
this.typeArgument = genericType;
this.existingInstances = existingInstances;
imports.add(HashSet.class);
imports.add((Class<?>) genericType);
requiredFacts = value.stream()
.map(i -> existingInstances.get(i))
.filter(Objects::nonNull)
.collect(Collectors.toList());
}
@Override
public List<TestGenFact> getRequiredFacts() {
return requiredFacts;
}
@Override
public List<Class<?>> getImports() {
return imports;
}
@Override
public void printSetup(StringBuilder sb) {
String e = ((Class<?>) typeArgument).getSimpleName();
sb.append(String.format(" HashSet<%s> %s = new HashSet<%s>();\n", e, identifier, e));
for (Object item : value) {
sb.append(String.format(" //%s\n", item));
sb.append(String.format(" %s.add(%s);\n", identifier, existingInstances.get(item)));
}
}
@Override
public String toString() {
return identifier;
}
}