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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.searchdefinition.document;
import com.yahoo.searchdefinition.Schema;
import java.util.Collections;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;
/**
* A set of fields that are imported from referenced document types.
*
* This is temporary AST structure that only refers to the imported fields by name.
*
* @author geirst
*/
public class TemporaryImportedFields {
private final Schema owner;
private final Map<String, TemporaryImportedField> fields = new LinkedHashMap<>();
public TemporaryImportedFields(Schema owner) {
this.owner = owner;
}
public void add(TemporaryImportedField importedField) {
fields.put(importedField.fieldName(), importedField);
}
public boolean hasField(String fieldName) {
return fields.get(fieldName) != null;
}
public Map<String, TemporaryImportedField> fields() {
if (owner.inherited().isEmpty()) return Collections.unmodifiableMap(fields);
if (owner.inherited().get().temporaryImportedFields().isEmpty()) return Collections.unmodifiableMap(fields);
var allFields = new HashMap<>(owner.inherited().get().temporaryImportedFields().get().fields());
allFields.putAll(fields);
return allFields;
}
}
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