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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.select.rule;
import com.yahoo.document.BucketIdFactory;
import com.yahoo.document.DocumentGet;
import com.yahoo.document.DocumentOperation;
import com.yahoo.document.DocumentPut;
import com.yahoo.document.DocumentRemove;
import com.yahoo.document.DocumentType;
import com.yahoo.document.DocumentUpdate;
import com.yahoo.document.select.BucketSet;
import com.yahoo.document.select.Context;
import com.yahoo.document.select.Visitor;
/**
* A document type node which returns the document type if exactly the type specified or false otherwise:
* For using the exact document type as a condition.
*
* @author bratseth
*/
public class DocumentTypeNode implements ExpressionNode {
private String type;
public DocumentTypeNode(String type) {
this.type = type;
}
public String getType() {
return type;
}
public DocumentTypeNode setType(String type) {
this.type = type;
return this;
}
@Override
public BucketSet getBucketSet(BucketIdFactory factory) {
return null;
}
@Override
public Object evaluate(Context context) {
return evaluate(context.getDocumentOperation());
}
private Object evaluate(DocumentOperation op) {
return op.getId().getDocType().equals(type) ? op : false;
}
public void accept(Visitor visitor) {
visitor.visit(this);
}
@Override
public String toString() {
return type;
}
}
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