/
ItemTransformer.java
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/
ItemTransformer.java
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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.syncope.core.provisioning.api.data;
import java.util.List;
import org.apache.commons.lang3.tuple.Pair;
import org.apache.syncope.common.lib.to.EntityTO;
import org.apache.syncope.common.lib.types.AttrSchemaType;
import org.apache.syncope.core.persistence.api.entity.Entity;
import org.apache.syncope.core.persistence.api.entity.PlainAttrValue;
import org.apache.syncope.core.persistence.api.entity.resource.Item;
/**
* Transforms values to be propagated to (or pulling from) external resources right before they leave (or enter)
* the Syncope internal storage.
*
* These transformations are not applied to virtual attribute values.
*/
public interface ItemTransformer {
/**
* Invoked while preparing attribute values to be sent out to external resource during propagation.
*
* @param item mapping item
* @param entity entity
* @param schemaType schema type
* @param values original values
* @return transformed values
*/
default Pair<AttrSchemaType, List<PlainAttrValue>> beforePropagation(
Item item,
Entity entity,
AttrSchemaType schemaType,
List<PlainAttrValue> values) {
return Pair.of(schemaType, values);
}
/**
* Invoked while reading attribute values from external resource during pull.
*
* @param item mapping item
* @param entityTO entity
* @param values original values
* @return transformed values
*/
default List<Object> beforePull(
Item item,
EntityTO entityTO,
List<Object> values) {
return values;
}
}