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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.config.trait;
import com.speedment.runtime.config.Column;
import com.speedment.runtime.config.Document;
import com.speedment.runtime.config.Table;
import java.util.Map;
import java.util.Optional;
import static com.speedment.runtime.config.util.TraitUtil.viewOf;
/**
* Trait for {@link Document} implementations that reference another
* {@link Column} document and therefore has a {@link #findColumn()} method. If
* a {@code Document} implements this trait, it is also expected to implement
* the {@link HasName} trait.
*
* @author Emil Forslund
* @since 2.3.0
*/
public interface HasColumn extends Document, HasName {
/**
* Locates and returns the column referenced by the {@link #getName()}
* method.
*
* @return the referenced column
*/
default Optional findColumn() {
return ancestors()
.filter(Table.class::isInstance)
.map(Table.class::cast)
.findFirst()
.flatMap(table -> table
.columns()
.filter(col -> col.getName().equals(getName()))
.findAny()
);
}
/**
* Returns a wrapper of the specified document that implements the
* {@link HasColumn} trait. If the specified document already implements the
* trait, it is returned unwrapped.
*
* @param document the document to wrap
* @return the wrapper
*/
static HasColumn of(Document document) {
return viewOf(document, HasColumn.class, HasColumnView::new);
}
}
/**
* A wrapper class that makes sure that a given {@link Document} implements the
* {@link HasColumn} trait.
*
* @author Emil Forslund
* @since 2.3
*/
class HasColumnView extends AbstractTraitView implements HasColumn {
/**
* Constructs a new alias view of with the specified parent and data.
*
* @param parent the parent of the wrapped document
* @param data the data of the wrapped document
* @param mainInterface the main interface of the wrapped document
*/
HasColumnView(Document parent, Map data, Class mainInterface) {
super(parent, data, mainInterface);
}
}