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Cassandra support for Spring Data
/*
* Copyright 2018 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
*
* 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.springframework.data.cassandra.core;
import lombok.AccessLevel;
import lombok.NonNull;
import lombok.RequiredArgsConstructor;
import lombok.experimental.FieldDefaults;
import reactor.core.publisher.Mono;
import org.springframework.data.cassandra.core.cql.CqlIdentifier;
import org.springframework.data.cassandra.core.query.Query;
import org.springframework.lang.Nullable;
import org.springframework.util.Assert;
/**
* Implementation of {@link ReactiveDeleteOperation}.
*
* @author Mark Paluch
* @see org.springframework.data.cassandra.core.ReactiveDeleteOperation
* @see org.springframework.data.cassandra.core.query.Query
* @since 2.1
*/
@RequiredArgsConstructor
class ReactiveDeleteOperationSupport implements ReactiveDeleteOperation {
private final @NonNull ReactiveCassandraTemplate template;
/* (non-Javadoc)
* @see org.springframework.data.cassandra.core.ReactiveDeleteOperation#remove(java.lang.Class)
*/
@Override
public ReactiveDelete delete(Class domainType) {
Assert.notNull(domainType, "DomainType must not be null");
return new ReactiveDeleteSupport(this.template, domainType, Query.empty(), null);
}
@RequiredArgsConstructor
@FieldDefaults(level = AccessLevel.PRIVATE, makeFinal = true)
static class ReactiveDeleteSupport implements ReactiveDelete, TerminatingDelete {
@NonNull ReactiveCassandraTemplate template;
@NonNull Class domainType;
@NonNull Query query;
@Nullable CqlIdentifier tableName;
/* (non-Javadoc)
* @see org.springframework.data.cassandra.core.ReactiveDeleteOperation.DeleteWithTable#inTable(org.springframework.data.cassandra.core.cql.CqlIdentifier)
*/
@Override
public DeleteWithQuery inTable(CqlIdentifier tableName) {
Assert.notNull(tableName, "Table name must not be null");
return new ReactiveDeleteSupport(this.template, this.domainType, this.query, tableName);
}
/* (non-Javadoc)
* @see org.springframework.data.cassandra.core.ReactiveDeleteOperation.DeleteWithQuery#matching(org.springframework.data.cassandra.core.query.Query)
*/
@Override
public TerminatingDelete matching(Query query) {
Assert.notNull(query, "Query must not be null");
return new ReactiveDeleteSupport(this.template, this.domainType, query, this.tableName);
}
/* (non-Javadoc)
* @see org.springframework.data.cassandra.core.ReactiveDeleteOperation.TerminatingDelete#all()
*/
public Mono all() {
return this.template.doDelete(this.query, this.domainType, getTableName());
}
private CqlIdentifier getTableName() {
return this.tableName != null ? this.tableName : this.template.getTableName(this.domainType);
}
}
}