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package eu.dnetlib.msro.openaireplus.workflows.nodes;
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import com.googlecode.sarasvati.Arc;
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import com.googlecode.sarasvati.NodeToken;
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import eu.dnetlib.msro.rmi.MSROException;
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import eu.dnetlib.msro.workflows.nodes.SimpleJobNode;
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import eu.dnetlib.msro.workflows.util.WorkflowsConstants;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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public class CheckHDFSCountJobNode extends SimpleJobNode {
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private static final Log log = LogFactory.getLog(CheckHDFSCountJobNode.class); // NOPMD by marko on 11/24/08 5:02 PM
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/**
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* Name of the env param where to find the number to check.
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**/
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private String numberToVerifyParamName;
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/**
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* Name of the enc param where to find the number of records stored to hdfs.
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**/
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private String hdfsCounterParamName = "mainlog:storeHdfsRecords:count";
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/**
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* {@inheritDoc}
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*
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* @throws MSROException
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* @see com.googlecode.sarasvati.mem.MemNode#execute(com.googlecode.sarasvati.Engine, com.googlecode.sarasvati.NodeToken)
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*/
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@Override
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public String execute(final NodeToken token) throws MSROException {
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int hdfsCount = 0;
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int hbaseCount = 0;
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String numberToVerifyInEnvParam = WorkflowsConstants.BLACKBOARD_PARAM_PREFIX + numberToVerifyParamName;
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hbaseCount = getValueFromEnv(token, numberToVerifyInEnvParam);
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hdfsCount = getValueFromEnv(token, hdfsCounterParamName);
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if (hdfsCount != hbaseCount) {
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log.warn("Numbers are not the same. Number to verify (hbase count): " + hbaseCount + ". From hdfs: " + hdfsCount);
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log.warn((hdfsCount - hbaseCount) + " records come without a 'metadata' field");
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token.getEnv().setAttribute("noMetadataRecords", hdfsCount - hbaseCount);
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}
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return Arc.DEFAULT_ARC;
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}
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private int getValueFromEnv(final NodeToken token, final String paramName) throws MSROException {
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String valueString = token.getEnv().getAttribute(paramName);
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int number = 0;
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try {
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number = Integer.parseInt(valueString);
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} catch (NumberFormatException e) {
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log.error("Env param name: " + paramName + " is " + valueString + " and cannot be parsed as integer");
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throw new MSROException(e);
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}
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return number;
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}
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public String getNumberToVerifyParamName() {
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return numberToVerifyParamName;
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}
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public void setNumberToVerifyParamName(final String numberToVerifyParamName) {
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this.numberToVerifyParamName = numberToVerifyParamName;
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}
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public String getHdfsCounterParamName() {
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return hdfsCounterParamName;
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}
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public void setHdfsCounterParamName(final String hdfsCounterParamName) {
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this.hdfsCounterParamName = hdfsCounterParamName;
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}
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}
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