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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.schema;
import com.yahoo.config.application.api.FileRegistry;
import java.util.Collection;
import java.util.Collections;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.stream.Collectors;
public class LargeRankingExpressions {
private final Map<String, RankingExpressionBody> expressions = new ConcurrentHashMap<>();
private final FileRegistry fileRegistry;
private final int limit;
public LargeRankingExpressions(FileRegistry fileRegistry) {
this(fileRegistry, 8192);
}
public LargeRankingExpressions(FileRegistry fileRegistry, int limit) {
this.fileRegistry = fileRegistry;
this.limit = limit;
}
public void add(RankingExpressionBody expression) {
String name = expression.getName();
RankingExpressionBody prev = expressions.putIfAbsent(name, expression);
if (prev == null) {
expression.validate();
expression.register(fileRegistry);
} else {
if ( ! prev.getBlob().equals(expression.getBlob())) {
throw new IllegalArgumentException("Ranking expression '" + name +
"' defined twice. Previous blob with " + prev.getBlob().remaining() +
" bytes, while current has " + expression.getBlob().remaining() + " bytes");
}
}
}
public int limit() { return limit; }
/** Returns a read-only list of ranking constants ordered by name */
public Collection<RankingExpressionBody> expressions() {
return expressions.values().stream().sorted().toList();
}
// Note: Use by integration tests in internal repo
/** Returns a read-only map of the ranking constants in this indexed by name */
public Map<String, RankingExpressionBody> asMap() {
return Collections.unmodifiableMap(expressions);
}
}
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