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package eu.dnetlib.msro.workflows.hadoop.hbase;
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import java.util.Map.Entry;
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import java.util.Set;
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import javax.annotation.Resource;
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import org.apache.commons.lang.StringUtils;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import com.google.common.base.Joiner;
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import com.google.common.base.Splitter;
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import com.google.common.collect.Sets;
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import com.googlecode.sarasvati.NodeToken;
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import eu.dnetlib.enabling.locators.UniqueServiceLocator;
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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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public abstract class AbstractHBaseAdminJobNode extends SimpleJobNode {
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/** The Constant log. */
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private static final Log log = LogFactory.getLog(AbstractHBaseAdminJobNode.class); // NOPMD by marko on 11/24/08 5:02 PM
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private String tableColumnsParamName = "columns";
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private String hbaseTableProperty;
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private String cluster;
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@Resource
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private UniqueServiceLocator serviceLocator;
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@Override
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protected void beforeStart(final NodeToken token) {
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for (Entry<String, String> e : parseJsonParameters(token).entrySet()) {
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token.getEnv().setAttribute(e.getKey(), e.getValue());
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}
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}
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protected String tableName(final NodeToken token) {
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if (token.getEnv().hasAttribute("hbaseTable")) {
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String table = token.getEnv().getAttribute("hbaseTable");
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log.debug("found override value in wfEnv for 'hbaseTable' param: " + table);
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return table;
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}
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return getPropertyFetcher().getProperty(getHbaseTableProperty());
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}
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protected String cluster(final NodeToken token) {
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if (token.getEnv().hasAttribute("cluster")) {
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String cluster = token.getEnv().getAttribute("cluster");
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log.debug("found override value in wfEnv for 'cluster' param: " + cluster);
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return cluster;
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}
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return getCluster();
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}
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protected Set<String> getColumns(final NodeToken token) throws MSROException {
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String envCols = token.getEnv().getAttribute(getTableColumnsParamName());
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if (StringUtils.isBlank(envCols)) { throw new MSROException("cannot find table description"); }
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log.debug("using columns from env: " + envCols);
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return Sets.newHashSet(Splitter.on(",").omitEmptyStrings().split(envCols));
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}
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protected String asCSV(final Iterable<String> columns) {
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return Joiner.on(",").skipNulls().join(columns);
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}
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public String getCluster() {
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return cluster;
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}
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public void setCluster(final String cluster) {
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this.cluster = cluster;
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}
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public String getHbaseTableProperty() {
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return hbaseTableProperty;
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}
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public void setHbaseTableProperty(final String hbaseTableProperty) {
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this.hbaseTableProperty = hbaseTableProperty;
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}
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public String getTableColumnsParamName() {
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return tableColumnsParamName;
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}
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public void setTableColumnsParamName(final String tableColumnsParamName) {
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this.tableColumnsParamName = tableColumnsParamName;
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}
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public UniqueServiceLocator getServiceLocator() {
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return serviceLocator;
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}
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}
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