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Cassandra support for Spring Data
/*
* Copyright 2019-2024 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.cql.session.init;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import com.datastax.oss.driver.api.core.CqlSession;
/**
* Composite {@link KeyspacePopulator} that delegates to a list of given {@link KeyspacePopulator} implementations,
* executing all scripts.
*
* @author Mark Paluch
* @since 3.0
*/
public class CompositeKeyspacePopulator implements KeyspacePopulator {
private final List populators = new ArrayList<>(4);
/**
* Create an empty {@link CompositeKeyspacePopulator}.
*
* @see #setPopulators
* @see #addPopulators
*/
public CompositeKeyspacePopulator() {}
/**
* Create a {@link CompositeKeyspacePopulator} with the given populators.
*
* @param populators one or more populators to delegate to.
*/
public CompositeKeyspacePopulator(Collection populators) {
this.populators.addAll(populators);
}
/**
* Create a {@link CompositeKeyspacePopulator} with the given populators.
*
* @param populators one or more populators to delegate to.
*/
public CompositeKeyspacePopulator(KeyspacePopulator... populators) {
this.populators.addAll(Arrays.asList(populators));
}
/**
* Specify one or more populators to delegate to.
*/
public void setPopulators(KeyspacePopulator... populators) {
this.populators.clear();
this.populators.addAll(Arrays.asList(populators));
}
/**
* Add one or more populators to the list of delegates.
*/
public void addPopulators(KeyspacePopulator... populators) {
this.populators.addAll(Arrays.asList(populators));
}
@Override
public void populate(CqlSession session) throws ScriptException {
for (KeyspacePopulator populator : this.populators) {
populator.populate(session);
}
}
}