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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.prelude;
import java.util.HashMap;
import java.util.Map;
import static com.yahoo.text.Lowercase.toLowerCase;
/**
* An object for storing information about search definitions in the centralized
* directory services.
*
* @author Steinar Knutsen
*/
// TODO: Make freezable!
public class SearchDefinition {
private final String name;
/** A map of all indices in this search definition, indexed by name */
private final Map<String, Index> indices = new HashMap<>();
/* A map of all indices in this search definition, indexed by lower cased name. */
private final Map<String, Index> lowerCase = new HashMap<>();
private String defaultPosition;
public SearchDefinition(String name) {
this.name = name;
}
public String getName() { return name; }
public String getDefaultPosition() {
return defaultPosition;
}
public void addIndex(Index index) {
indices.put(index.getName(), index);
lowerCase.put(toLowerCase(index.getName()), index);
if (index.isDefaultPosition()) {
defaultPosition = index.getName();
}
}
public void addAlias(String alias, String indexName) {
Index old = indices.get(alias);
if (old != null) {
if (old.getName().equals(indexName)) return;
throw new IllegalArgumentException("Tried adding the alias '" + alias + "' for the index name '" +
indexName + "' when the name '" + alias +
"' already maps to '" + old.getName() + "'");
}
Index index = indices.get(indexName);
if (index == null)
throw new IllegalArgumentException("Failed adding alias '" + alias + "' for the index name '" + indexName +
"' as there is no index with that name available.");
indices.put(alias, index);
index.addAlias(alias);
String lca = toLowerCase(alias);
if (lowerCase.get(lca) == null)
lowerCase.put(lca, index);
}
public Index getIndex(String name) {
return indices.get(name);
}
public Index getIndexByLowerCase(String name) {
return lowerCase.get(name);
}
/** Returns the indices of this as a map */
public Map<String, Index> indices() {
return indices;
}
public Index getOrCreateIndex(String name) {
Index idx = getIndex(name);
if (idx != null) {
return idx;
}
idx = new Index(name);
addIndex(idx);
return idx;
}
public Index addCommand(String indexName, String commandString) {
Index index = getOrCreateIndex(indexName);
index.addCommand(commandString);
if (index.isDefaultPosition()) {
defaultPosition = index.getName();
}
return index;
}
}
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