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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;
import com.yahoo.document.datatypes.Array;
import com.yahoo.vespa.objects.Ids;
import java.util.ArrayList;
import java.util.List;
/**
* @author Einar M R Rosenvinge
*/
public class ArrayDataType extends CollectionDataType {
// The global class identifier shared with C++.
public static int classId = registerClass(Ids.document + 54, ArrayDataType.class);
public ArrayDataType(DataType nestedType) {
super("Array<"+nestedType.getName()+">", 0, nestedType);
setId(getName().toLowerCase().hashCode());
}
public ArrayDataType(DataType nestedType, int code) {
super("Array<"+nestedType.getName()+">", code, nestedType);
}
public ArrayDataType clone() {
return (ArrayDataType) super.clone();
}
public Array createFieldValue() {
return new Array(this);
}
@Override
public Class getValueClass() {
return Array.class;
}
@Override
public FieldPath buildFieldPath(String remainFieldName)
{
if (remainFieldName.length() > 0 && remainFieldName.charAt(0) == '[') {
int endPos = remainFieldName.indexOf(']');
if (endPos == -1) {
throw new IllegalArgumentException("Array subscript must be closed with ]");
} else {
FieldPath path = getNestedType().buildFieldPath(skipDotInString(remainFieldName, endPos));
List<FieldPathEntry> tmpPath = new ArrayList<FieldPathEntry>(path.getList());
if (remainFieldName.charAt(1) == '$') {
tmpPath.add(0, FieldPathEntry.newVariableLookupEntry(remainFieldName.substring(2, endPos), getNestedType()));
} else {
tmpPath.add(0, FieldPathEntry.newArrayLookupEntry(Integer.parseInt(remainFieldName.substring(1, endPos)), getNestedType()));
}
return new FieldPath(tmpPath);
}
}
return getNestedType().buildFieldPath(remainFieldName);
}
}
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