StructuredDataEntryMessageResolution.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
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package com.oracle.truffle.tck;

import com.oracle.truffle.api.interop.KeyInfo;
import com.oracle.truffle.api.interop.MessageResolution;
import com.oracle.truffle.api.interop.Resolve;
import com.oracle.truffle.api.interop.java.JavaInterop;
import com.oracle.truffle.api.nodes.Node;

@MessageResolution(receiverType = StructuredDataEntry.class)
class StructuredDataEntryMessageResolution {

    @Resolve(message = "KEYS")
    abstract static class StructuredDataEntryKeysNode extends Node {

        public Object access(StructuredDataEntry data) {
            return JavaInterop.asTruffleObject(data.getSchema().getNames());
        }
    }

    @Resolve(message = "KEY_INFO")
    abstract static class StructuredDataEntryKeyInfoNode extends Node {

        private static final int readable = KeyInfo.newBuilder().setReadable(true).build();

        public Object access(StructuredDataEntry data, Object identifier) {
            if (data.getSchema().getNames().contains(identifier)) {
                return readable;
            } else {
                return 0;
            }
        }
    }

    @Resolve(message = "READ")
    abstract static class StructuredDataEntryReadNode extends Node {

        public Object access(StructuredDataEntry data, String name) {
            return data.getSchema().get(data.getBuffer(), data.getIndex(), name);
        }

    }

}