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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.document;
import com.yahoo.document.datatypes.FieldValue;
import com.yahoo.document.datatypes.StructuredFieldValue;
/**
* @author Simon Thoresen Hult
*/
public class SimpleDocument {
private final Document document;
public SimpleDocument(Document document) {
this.document = document;
}
public final Object get(Field field) {
return get(document, field);
}
public final Object get(String fieldName) {
return get(document, document.getField(fieldName));
}
public final Object set(Field field, Object value) {
return set(document, field, value);
}
public final Object set(String fieldName, Object value) {
return set(document.getField(fieldName), value);
}
public final Object remove(Field field) {
return remove(document, field);
}
public final Object remove(String fieldName) {
return remove(document.getField(fieldName));
}
public static Object get(StructuredFieldValue struct, Field field) {
return field == null ? null : unwrapValue(struct.getFieldValue(field));
}
public static Object set(StructuredFieldValue struct, Field field, Object value) {
return unwrapValue(struct.setFieldValue(field, wrapValue(field.getDataType(), value)));
}
public static Object remove(StructuredFieldValue struct, Field field) {
return field == null ? null : unwrapValue(struct.removeFieldValue(field));
}
private static FieldValue wrapValue(DataType type, Object val) {
if (val == null) {
return null;
}
if (val instanceof FieldValue) {
return (FieldValue)val;
}
FieldValue ret = type.createFieldValue();
ret.assign(val);
return ret;
}
private static Object unwrapValue(FieldValue val) {
if (val == null) {
return null;
}
return val.getWrappedValue();
}
}
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