OPENDJ-3417 Remove several backend-related methods from DirectoryServer class

Nicolas Capponi

03.41.2016 aaf1f09351c43d52009c6b53b93eb153ace8428e

 opendj-server-legacy/src/test/java/org/opends/server/extensions/FIFOEntryCacheTestCase.java

@@ -22,7 +22,6 @@
import org.testng.annotations.BeforeClass;
import org.forgerock.opendj.server.config.meta.*;
import org.forgerock.opendj.server.config.server.FIFOEntryCacheCfg;
import org.opends.server.core.DirectoryServer;
import org.forgerock.opendj.ldap.DN;
import org.opends.server.types.Entry;
import org.opends.server.util.ServerConstants;
@@ -252,7 +251,8 @@
      "Expected empty cache.  " + "Cache contents:" + ServerConstants.EOL +
      cache.toVerboseString());

    String b = DirectoryServer.getLocalBackend(DN.valueOf("o=test")).getBackendID();
    String b =
        TestCaseUtils.getServerContext().getBackendConfigManager().getLocalBackend(DN.valueOf("o=test")).getBackendID();

    for(int i = 0; i < super.NUMTESTENTRIES; i++ ) {
      super.cache.putEntry(super.testEntriesList.get(i), b, i);
@@ -322,7 +322,8 @@
      "Expected empty cache.  " + "Cache contents:" + ServerConstants.EOL +
      cache.toVerboseString());

    String b = DirectoryServer.getLocalBackend(DN.valueOf("o=test")).getBackendID();
    String b =
        TestCaseUtils.getServerContext().getBackendConfigManager().getLocalBackend(DN.valueOf("o=test")).getBackendID();

    for(int i = 0; i < super.NUMTESTENTRIES; i++ ) {
      super.cache.putEntry(super.testEntriesList.get(i), b, i);