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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.document.fieldset;
import com.yahoo.document.DocumentType;
import com.yahoo.document.Field;
import java.util.ArrayList;
public class FieldCollection extends ArrayList<Field> implements FieldSet {
DocumentType docType;
public FieldCollection(DocumentType type) {
docType = type;
}
public DocumentType getDocumentType() {
return docType;
}
@Override
public boolean contains(FieldSet o) {
if (o instanceof DocIdOnly || o instanceof NoFields) {
return true;
}
if (o instanceof Field) {
return super.contains(o);
} else if (o instanceof FieldCollection) {
FieldCollection c = (FieldCollection)o;
for (Field f : c) {
if (!super.contains(f)) {
return false;
}
}
return true;
} else {
return false;
}
}
@Override
public FieldSet clone() {
FieldCollection c = new FieldCollection(docType);
c.addAll(this);
return c;
}
}
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