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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.document.json.readers;
import com.yahoo.document.DataType;
import com.yahoo.document.datatypes.FieldValue;
import com.yahoo.document.datatypes.WeightedSet;
import com.yahoo.document.json.TokenBuffer;
import static com.yahoo.document.json.readers.JsonParserHelpers.expectObjectStart;
public class WeightedSetReader {
public static void fillWeightedSet(TokenBuffer buffer, DataType valueType, @SuppressWarnings("rawtypes") WeightedSet weightedSet) {
int initNesting = buffer.nesting();
expectObjectStart(buffer.current());
buffer.next();
iterateThroughWeightedSet(buffer, initNesting, valueType, weightedSet);
}
public static void fillWeightedSetUpdate(TokenBuffer buffer, int initNesting, DataType valueType, @SuppressWarnings("rawtypes") WeightedSet weightedSet) {
iterateThroughWeightedSet(buffer, initNesting, valueType, weightedSet);
}
@SuppressWarnings({ "rawtypes", "unchecked" })
private static void iterateThroughWeightedSet(TokenBuffer buffer, int initNesting, DataType valueType, WeightedSet weightedSet) {
while (buffer.nesting() >= initNesting) {
// XXX the keys are defined in the spec to always be represented as strings
FieldValue v = valueType.createFieldValue(buffer.currentName());
weightedSet.put(v, Integer.valueOf(buffer.currentText()));
buffer.next();
}
}
}
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