package com.bagri.xquery.saxon.ext.tx;
import static com.bagri.core.Constants.bg_ns;
import static com.bagri.core.Constants.bg_schema;
import com.bagri.core.api.TransactionManagement;
import com.bagri.core.api.BagriException;
import net.sf.saxon.expr.XPathContext;
import net.sf.saxon.lib.ExtensionFunctionCall;
import net.sf.saxon.lib.ExtensionFunctionDefinition;
import net.sf.saxon.om.Sequence;
import net.sf.saxon.om.SequenceTool;
import net.sf.saxon.om.StructuredQName;
import net.sf.saxon.trans.XPathException;
import net.sf.saxon.value.SequenceType;
public class CommitTransaction extends ExtensionFunctionDefinition {
private TransactionManagement txMgr;
public CommitTransaction(TransactionManagement txMgr) {
this.txMgr = txMgr;
}
@Override
public StructuredQName getFunctionQName() {
return new StructuredQName(bg_schema, bg_ns, "commit-transaction");
}
@Override
public int getMinimumNumberOfArguments() {
return 1;
}
@Override
public int getMaximumNumberOfArguments() {
return 1;
}
@Override
public SequenceType[] getArgumentTypes() {
return new SequenceType[] {SequenceType.SINGLE_INT};
}
@Override
public SequenceType getResultType(SequenceType[] suppliedArgumentTypes) {
return SequenceType.VOID;
}
@Override
public ExtensionFunctionCall makeCallExpression() {
return new ExtensionFunctionCall() {
@Override
public Sequence call(XPathContext context, Sequence[] arguments) throws XPathException {
long txId = (Long) SequenceTool.convertToJava(arguments[0].head());
try {
txMgr.commitTransaction(txId);
return null;
} catch (BagriException ex) {
throw new XPathException(ex);
}
}
};
}
}