1 files changed, 0 insertions, 64 deletions
diff --git a/document/src/main/java/com/yahoo/document/json/LazyTokenBuffer.java b/document/src/main/java/com/yahoo/document/json/LazyTokenBuffer.java
deleted file mode 100644
index 0fbdd0b28c7..00000000000
--- a/document/src/main/java/com/yahoo/document/json/LazyTokenBuffer.java
+++ /dev/null
@@ -1,64 +0,0 @@
-package com.yahoo.document.json;
-
-import com.fasterxml.jackson.core.JsonParser;
-import com.fasterxml.jackson.core.JsonToken;
-
-import java.io.IOException;
-import java.util.function.Supplier;
-
-/**
- * A {@link TokenBuffer} which only buffers tokens when needed, i.e., when peeking.
- *
- * @author jonmv
- */
-public class LazyTokenBuffer extends TokenBuffer {
-
-    private final JsonParser parser;
-
-    public LazyTokenBuffer(JsonParser parser) {
-        this.parser = parser;
-        try { addFromParser(parser); }
-        catch (IOException e) { throw new IllegalArgumentException("failed parsing document JSON", e); }
-        if (JsonToken.START_OBJECT != current())
-            throw new IllegalArgumentException("expected start of JSON object, but got " + current());
-        updateNesting(current());
-    }
-
-    void advance() {
-        super.advance();
-        if (tokens.isEmpty() && nesting() > 0) tokens.add(nextToken()); // Fill current token if needed and possible.
-    }
-
-    @Override
-    public Supplier<Token> lookahead() {
-        return new Supplier<>() {
-            int localNesting = nesting();
-            Supplier<Token> buffered = LazyTokenBuffer.super.lookahead();
-            @Override public Token get() {
-                if (localNesting == 0)
-                    return null;
-
-                Token token = buffered.get();
-                if (token == null) {
-                    token = nextToken();
-                    tokens.add(token);
-                }
-                localNesting += nestingOffset(token.token);
-                return token;
-            }
-        };
-    }
-
-    private Token nextToken() {
-        try {
-            JsonToken token = parser.nextValue();
-            if (token == null)
-                throw new IllegalStateException("no more JSON tokens");
-            return new Token(token, parser.getCurrentName(), parser.getText());
-        }
-        catch (IOException e) {
-            throw new IllegalArgumentException("failed reading document JSON", e);
-        }
-    }
-
-}