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Cassandra support for Spring Data
/*
* Copyright 2020-2021 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.convert;
import java.util.ArrayList;
import java.util.List;
/**
* Information about if a type or its elements should be frozen or not.
*
* @author Jens Schauder
* @author Mark Paluch
* @since 3.0
*/
class FrozenIndicator {
public static final FrozenIndicator NOT_FROZEN = new FrozenIndicator();
private final boolean frozen;
private final List nested = new ArrayList<>();
public static FrozenIndicator frozen(boolean frozen) {
return new FrozenIndicator(frozen);
}
private FrozenIndicator() {
this(false);
}
private FrozenIndicator(boolean frozen) {
this.frozen = frozen;
}
public void addNested(FrozenIndicator frozenIndicator) {
this.nested.add(frozenIndicator);
}
boolean isFrozen() {
return frozen;
}
FrozenIndicator getFrozen(int parameterIndex) {
return parameterIndex < this.nested.size() ? this.nested.get(parameterIndex) : NOT_FROZEN;
}
}