com.speedment.common.injector.internal.Injectable Maven / Gradle / Ivy
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A Speedment bundle that shades all dependencies into one jar. This is
useful when deploying an application on a server.
The newest version!
/*
*
* 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.common.injector.internal;
import java.util.Objects;
import java.util.Optional;
import java.util.function.Supplier;
import static java.lang.String.format;
import static java.util.Objects.requireNonNull;
final class Injectable {
private final Class cls;
private final Supplier supplier;
Injectable(Class cls, Supplier supplier) {
this.cls = requireNonNull(cls);
this.supplier = supplier; // Nullable
}
public Class get() {
return cls;
}
boolean hasSupplier() {
return supplier != null;
}
public Supplier supplier() {
return Optional.ofNullable(supplier).orElseThrow(
() -> new UnsupportedOperationException(format(
"Injectable %s does not have a supplier.",
cls.getName()
))
);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Injectable that = (Injectable) o;
return cls.equals(that.cls) &&
Objects.equals(supplier, that.supplier);
}
@Override
public int hashCode() {
return Objects.hash(cls, supplier);
}
}