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* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
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*
* http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.olingo.odata2.jpa.processor.core.callback;
import org.apache.olingo.odata2.api.edm.EdmException;
import org.apache.olingo.odata2.api.ep.callback.TombstoneCallback;
import org.apache.olingo.odata2.api.ep.callback.TombstoneCallbackResult;
import org.apache.olingo.odata2.api.uri.info.GetEntitySetUriInfo;
public class JPATombstoneCallBack implements TombstoneCallback {
private static final String DELTA_TOKEN_STRING = "?!deltatoken=";
private String baseUri;
private String deltaTokenValue;
private GetEntitySetUriInfo resultsView;
public JPATombstoneCallBack(final String baseUri, final GetEntitySetUriInfo resultsView,
final String deltaTokenValue) {
this.baseUri = baseUri;
this.deltaTokenValue = deltaTokenValue;
this.resultsView = resultsView;
}
@Override
public TombstoneCallbackResult getTombstoneCallbackResult() {
TombstoneCallbackResult jpaTombstoneCallBackResult = new TombstoneCallbackResult();
jpaTombstoneCallBackResult.setDeltaLink(buildToken());
return jpaTombstoneCallBackResult;
}
private String buildToken() {
StringBuilder tokenBuilder = new StringBuilder();
tokenBuilder.append(baseUri);
try {
tokenBuilder.append(resultsView.getTargetEntitySet().getName());
} catch (EdmException e) {
// Nothing
}
tokenBuilder.append(DELTA_TOKEN_STRING);
tokenBuilder.append(deltaTokenValue);
return tokenBuilder.toString();
}
}