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Cassandra support for Spring Data
/*
* Copyright 2017-2021 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.cassandra.core.mapping;
import java.util.Collection;
import java.util.Collections;
import java.util.LinkedList;
import java.util.stream.Collectors;
import org.springframework.data.mapping.MappingException;
import org.springframework.util.Assert;
/**
* Aggregator of multiple violations for convenience when verifying id interfaces. This allows the framework to
* communicate all errors at once, rather than one at a time.
*
* @author Matthew T. Adams
* @author Mark Paluch
*/
@SuppressWarnings("serial")
public class IdInterfaceExceptions extends MappingException {
private final Collection exceptions;
private final String className;
/**
* Create a new {@link IdInterfaceExceptions} for the given {@code idInterfaceClass} and exceptions.
*
* @param idInterfaceClass must not be {@literal null}.
* @param exceptions must not be {@literal null}.
* @since 2.0
*/
public IdInterfaceExceptions(Class idInterfaceClass, Collection exceptions) {
super(String.format("Mapping Exceptions for %s", idInterfaceClass.getName()));
Assert.notNull(idInterfaceClass, "CassandraPersistentEntity must not be null");
this.exceptions = Collections.unmodifiableCollection(new LinkedList<>(exceptions));
this.className = idInterfaceClass.getName();
this.exceptions.forEach(this::addSuppressed);
}
public void add(IdInterfaceException e) {
exceptions.add(e);
}
/**
* Returns a list of the {@link IdInterfaceException}s aggregated within.
*/
public Collection getExceptions() {
return exceptions;
}
/**
* Returns a list of the {@link IdInterfaceException} messages aggregated within.
*/
public Collection getMessages() {
return exceptions.stream().map(Throwable::getMessage).collect(Collectors.toList());
}
/**
* Returns the number of exceptions aggregated in this exception.
*/
public int getCount() {
return exceptions.size();
}
@Override
public String getMessage() {
StringBuilder builder = new StringBuilder(className).append(":\n");
for (MappingException e : exceptions) {
builder.append(e.getMessage()).append("\n");
}
return builder.toString();
}
public String getIdInterfaceName() {
return className;
}
}