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A Speedment bundle that shades all dependencies into one jar. This is
useful when deploying an application on a server.
/**
*
* Copyright (c) 2006-2017, Speedment, Inc. All Rights Reserved.
*
* 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 com.speedment.runtime.field.collector;
import com.speedment.runtime.field.BooleanField;
import com.speedment.runtime.field.ByteField;
import com.speedment.runtime.field.CharField;
import com.speedment.runtime.field.DoubleField;
import com.speedment.runtime.field.Field;
import com.speedment.runtime.field.FloatField;
import com.speedment.runtime.field.IntField;
import com.speedment.runtime.field.LongField;
import com.speedment.runtime.field.ReferenceField;
import com.speedment.runtime.field.ShortField;
import com.speedment.runtime.field.StringField;
import com.speedment.runtime.field.internal.collector.FieldCollectorImpl;
import static java.util.Collections.emptySet;
import static java.util.Collections.unmodifiableSet;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
import java.util.function.BiConsumer;
import java.util.function.BinaryOperator;
import java.util.function.Function;
import java.util.function.Supplier;
import java.util.stream.Collector;
import static java.util.stream.Collectors.toList;
/**
* A number of collectors specialized for entities. These are inspired by the
* {@link java.util.stream.Collectors} class in the java standard libraries.
*
* @author Emil Forslund
* @since 3.0.2
*/
public final class FieldCollectors {
public static Collector>>
groupingBy(LongField field) {
return groupingBy(field, field.getter()::apply, HashMap::new, toList());
}
public static Collector>>
groupingBy(IntField field) {
return groupingBy(field, field.getter()::apply, HashMap::new, toList());
}
public static Collector>>
groupingBy(ShortField field) {
return groupingBy(field, field.getter()::apply, HashMap::new, toList());
}
public static Collector>>
groupingBy(ByteField field) {
return groupingBy(field, field.getter()::apply, HashMap::new, toList());
}
public static Collector>>
groupingBy(DoubleField field) {
return groupingBy(field, field.getter()::apply, HashMap::new, toList());
}
public static Collector>>
groupingBy(FloatField field) {
return groupingBy(field, field.getter()::apply, HashMap::new, toList());
}
public static Collector>>
groupingBy(BooleanField field) {
return groupingBy(field, field.getter()::apply, HashMap::new, toList());
}
public static Collector>>
groupingBy(CharField field) {
return groupingBy(field, field.getter()::apply, HashMap::new, toList());
}
public static Collector>>
groupingBy(StringField field) {
return groupingBy(field, field.getter()::apply, HashMap::new, toList());
}
public static Collector>>
groupingBy(ReferenceField field) {
return groupingBy(field, field.getter()::apply, HashMap::new, toList());
}
public static Collector>
groupingBy(LongField field, Collector downstream) {
return groupingBy(field, field.getter()::apply, HashMap::new, downstream);
}
public static Collector>
groupingBy(IntField field, Collector downstream) {
return groupingBy(field, field.getter()::apply, HashMap::new, downstream);
}
public static Collector>
groupingBy(ShortField field, Collector downstream) {
return groupingBy(field, field.getter()::apply, HashMap::new, downstream);
}
public static Collector>
groupingBy(ByteField field, Collector downstream) {
return groupingBy(field, field.getter()::apply, HashMap::new, downstream);
}
public static Collector>
groupingBy(DoubleField field, Collector downstream) {
return groupingBy(field, field.getter()::apply, HashMap::new, downstream);
}
public static Collector>
groupingBy(FloatField field, Collector downstream) {
return groupingBy(field, field.getter()::apply, HashMap::new, downstream);
}
public static Collector>
groupingBy(BooleanField field, Collector downstream) {
return groupingBy(field, field.getter()::apply, HashMap::new, downstream);
}
public static Collector>
groupingBy(CharField field, Collector downstream) {
return groupingBy(field, field.getter()::apply, HashMap::new, downstream);
}
public static Collector>
groupingBy(StringField field, Collector downstream) {
return groupingBy(field, field.getter()::apply, HashMap::new, downstream);
}
public static Collector>
groupingBy(ReferenceField field, Collector downstream) {
return groupingBy(field, field.getter()::apply, HashMap::new, downstream);
}
public static >
FieldCollector groupingBy(
Field field,
Function classifier,
Supplier mapFactory,
Collector downstream) {
Supplier downstreamSupplier = downstream.supplier();
BiConsumer downstreamAccumulator = downstream.accumulator();
BiConsumer