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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) 2006-2019, 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.compute.internal;
import com.speedment.runtime.compute.ToDoubleNullable;
import com.speedment.runtime.compute.ToLong;
import com.speedment.runtime.compute.ToLongNullable;
import com.speedment.runtime.compute.expression.NullableExpression;
import java.util.Objects;
import java.util.function.LongToDoubleFunction;
import java.util.function.LongUnaryOperator;
import java.util.function.Predicate;
import static java.util.Objects.requireNonNull;
/**
* @author Emil Forslund
* @since 3.1.0
*/
public final class ToLongNullableImpl
implements NullableExpression>, ToLongNullable {
private final ToLong original;
private final Predicate isNull;
public ToLongNullableImpl(ToLong original, Predicate isNull) {
this.original = requireNonNull(original);
this.isNull = requireNonNull(isNull);
}
@Override
public ToLong inner() {
return original;
}
@Override
public Predicate isNullPredicate() {
return isNull;
}
@Override
public Long apply(T t) {
return isNull.test(t) ? null : original.applyAsLong(t);
}
@Override
public long applyAsLong(T t) throws NullPointerException {
return original.applyAsLong(t);
}
@Override
public ToLong orThrow() throws NullPointerException {
return original;
}
@Override
public ToLong orElseGet(ToLong getter) {
return t -> isNull.test(t)
? getter.applyAsLong(t)
: original.applyAsLong(t);
}
@Override
public ToLong orElse(Long value) {
return t -> isNull.test(t) ? value : original.applyAsLong(t);
}
@Override
public ToDoubleNullable mapToDoubleIfPresent(LongToDoubleFunction mapper) {
return t -> isNull.test(t) ? null
: mapper.applyAsDouble(original.applyAsLong(t));
}
@Override
public ToLongNullable mapIfPresent(LongUnaryOperator mapper) {
return t -> isNull.test(t) ? null
: mapper.applyAsLong(original.applyAsLong(t));
}
@Override
public long hash(T object) {
return isNull.test(object)
? 0xffffffffffffffffL
: original.applyAsLong(object);
}
@Override
public int compare(T first, T second) {
final boolean f = isNull(first);
final boolean s = isNull(second);
if (f && s) return 0;
else if (f) return 1;
else if (s) return -1;
else return Long.compare(
original.applyAsLong(first),
original.applyAsLong(second)
);
}
@Override
public boolean isNull(T object) {
return isNull.test(object);
}
@Override
public boolean isNotNull(T object) {
return !isNull.test(object);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
else if (!(o instanceof NullableExpression)) return false;
final NullableExpression that = (NullableExpression) o;
return Objects.equals(original, that.inner()) &&
Objects.equals(isNull, that.isNullPredicate());
}
@Override
public int hashCode() {
return Objects.hash(original, isNull);
}
}