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The module for FunctionalJ Core.
// ============================================================================
// Copyright (c) 2017-2021 Nawapunth Manusitthipol (NawaMan - http://nawaman.net).
// ----------------------------------------------------------------------------
// MIT License
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
// ============================================================================
package functionalj.lens.lenses;
import java.util.Collection;
import java.util.List;
import java.util.function.Function;
import java.util.function.Predicate;
import java.util.stream.Collectors;
import functionalj.lens.core.AccessParameterized;
import functionalj.list.FuncList;
import lombok.val;
@FunctionalInterface
public interface CollectionAccess, TYPE, SUBACCESS extends AnyAccess>
extends ObjectAccess, AccessParameterized> {
public AccessParameterized accessParameterized();
@Override
public default COLLECTION applyUnsafe(HOST host) throws Exception {
return accessParameterized().applyUnsafe(host);
}
@Override
public default SUBACCESS createSubAccessFromHost(Function accessToSub) {
return accessParameterized().createSubAccessFromHost(accessToSub);
}
public default IntegerAccess size() {
return intPrimitiveAccess(0, collection -> collection.size());
}
public default BooleanAccess thatIsEmpty() {
return booleanAccess(false, collection -> collection.isEmpty());
}
public default BooleanAccess thatIsNotEmpty() {
return booleanAccess(false, collection -> !collection.isEmpty());
}
public default BooleanAccess thatContains(TYPE value) {
return booleanAccess(false, collection -> collection.contains(value));
}
public default BooleanAccess thatContains(Predicate check) {
return booleanAccess(false, collection -> collection.stream().anyMatch(check));
}
public default CollectionAccess filter(Predicate checker) {
val spec = accessParameterized();
val specWithSub = new AccessParameterized() {
@SuppressWarnings("unchecked")
@Override
public COLLECTION applyUnsafe(HOST host) throws Exception {
return (COLLECTION)spec.apply(host).stream().filter(checker).collect(Collectors.toList());
}
@Override
public SUBACCESS createSubAccessFromHost(Function accessToParameter) {
return spec.createSubAccessFromHost(accessToParameter);
}
};
return () -> specWithSub;
}
public default ListAccess toList() {
val spec = accessParameterized();
val specWithSub = new AccessParameterized, TYPE, SUBACCESS>() {
@Override
public List applyUnsafe(HOST host) throws Exception{
val collection = spec.apply(host);
return FuncList.from(collection);
}
@Override
public SUBACCESS createSubAccessFromHost(Function accessToParameter) {
return spec.createSubAccessFromHost(accessToParameter);
}
};
return () -> specWithSub;
}
}