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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.CollectionFieldValue;
import com.yahoo.document.datatypes.FieldValue;
import com.yahoo.vespa.objects.Ids;
import com.yahoo.vespa.objects.ObjectVisitor;
import java.util.List;
/**
* @author Einar M R Rosenvinge
*/
public abstract class CollectionDataType extends DataType {
// The global class identifier shared with C++.
public static int classId = registerClass(Ids.document + 53, CollectionDataType.class);
private DataType nestedType;
protected CollectionDataType(String name, int code, DataType nestedType) {
super(name, code);
this.nestedType = nestedType;
}
@Override
public abstract CollectionFieldValue<?> createFieldValue();
@Override
public CollectionDataType clone() {
CollectionDataType type = (CollectionDataType) super.clone();
type.nestedType = nestedType.clone();
return type;
}
public DataType getNestedType() {
return nestedType;
}
@Override
protected FieldValue createByReflection(Object arg) { return null; }
@Override
public PrimitiveDataType getPrimitiveType() {
return nestedType.getPrimitiveType();
}
@Override
public boolean isValueCompatible(FieldValue value) {
if (!(value instanceof CollectionFieldValue)) {
return false;
}
CollectionFieldValue<?> cfv = (CollectionFieldValue<?>) value;
return equals(cfv.getDataType());
}
@Override
protected void register(DocumentTypeManager manager, List<DataType> seenTypes) {
seenTypes.add(this);
if (!seenTypes.contains(getNestedType())) {
//we haven't seen this one before, register it:
getNestedType().register(manager, seenTypes);
}
super.register(manager, seenTypes);
}
@Override
public void visitMembers(ObjectVisitor visitor) {
super.visitMembers(visitor);
visitor.visit("nestedType", nestedType);
}
@Override
public boolean isMultivalue() { return true; }
}
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