/*
* Copyright 2018-2021 the original author or authors.
*
* 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
*
* https://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 org.springframework.data.mapping;
import org.springframework.data.mapping.AccessOptions.GetOptions;
import org.springframework.data.mapping.AccessOptions.SetOptions;
import org.springframework.lang.Nullable;
Extension of PersistentPropertyAccessor
that is also able to obtain and set values for PersistentPropertyPath
s. Author: Oliver Drotbohm Since: 2.3 @soundtrack Sophia Wahnschaffe - Leuchten (Live Session) https://www.youtube.com/watch?v=izZxWiPto5Q
/**
* Extension of {@link PersistentPropertyAccessor} that is also able to obtain and set values for
* {@link PersistentPropertyPath}s.
*
* @author Oliver Drotbohm
* @since 2.3
* @soundtrack Sophia Wahnschaffe - Leuchten (Live Session) https://www.youtube.com/watch?v=izZxWiPto5Q
*/
public interface PersistentPropertyPathAccessor<T> extends PersistentPropertyAccessor<T> {
Return the value pointed to by the given PersistentPropertyPath
. If the given path is empty, the wrapped bean is returned. Params: - path – must not be null.
Returns:
/**
* Return the value pointed to by the given {@link PersistentPropertyPath}. If the given path is empty, the wrapped
* bean is returned.
*
* @param path must not be {@literal null}.
* @return
*/
@Nullable
@SuppressWarnings("deprecation")
default Object getProperty(PersistentPropertyPath<? extends PersistentProperty<?>> path) {
return PersistentPropertyAccessor.super.getProperty(path);
}
Return the value pointed to by the given PersistentPropertyPath
. If the given path is empty, the wrapped bean is returned. On each path segment value lookup, the resulting value is post-processed by handlers registered on the given TraversalContext
context. This can be used to unwrap container types that are encountered during the traversal. Params: - path – must not be null.
- context – must not be null.
Returns:
/**
* Return the value pointed to by the given {@link PersistentPropertyPath}. If the given path is empty, the wrapped
* bean is returned. On each path segment value lookup, the resulting value is post-processed by handlers registered
* on the given {@link TraversalContext} context. This can be used to unwrap container types that are encountered
* during the traversal.
*
* @param path must not be {@literal null}.
* @param context must not be {@literal null}.
* @return
*/
@Nullable
Object getProperty(PersistentPropertyPath<? extends PersistentProperty<?>> path, GetOptions context);
Sets the given value for the PersistentProperty
pointed to by the given PersistentPropertyPath
. The lookup of intermediate values must not yield null. Params: - path – must not be null or empty.
- value – can be null.
See Also: - AccessOptions.DEFAULT
/**
* Sets the given value for the {@link PersistentProperty} pointed to by the given {@link PersistentPropertyPath}. The
* lookup of intermediate values must not yield {@literal null}.
*
* @param path must not be {@literal null} or empty.
* @param value can be {@literal null}.
* @see AccessOptions#DEFAULT
*/
void setProperty(PersistentPropertyPath<? extends PersistentProperty<?>> path, @Nullable Object value);
Sets the given value for the PersistentProperty
pointed to by the given PersistentPropertyPath
considering the given AccessOptions
. Params: - path – must not be null.
- value – must not be null.
- options – must not be null.
/**
* Sets the given value for the {@link PersistentProperty} pointed to by the given {@link PersistentPropertyPath}
* considering the given {@link AccessOptions}.
*
* @param path must not be {@literal null}.
* @param value must not be {@literal null}.
* @param options must not be {@literal null}.
*/
void setProperty(PersistentPropertyPath<? extends PersistentProperty<?>> path, @Nullable Object value,
SetOptions options);
}