private int[] createClusters(String className) {
className = className.toLowerCase();
final ODatabaseDocumentInternal database = getDatabase();
final OStorage storage = database.getStorage();
int[] clusterIds; // CREATE A NEW CLUSTER(S)
final int minimumClusters = storage.getConfiguration().getMinimumClusters();
clusterIds = new int[minimumClusters];
if (minimumClusters <= 1) {
clusterIds[0] = database.getClusterIdByName(className);
if (clusterIds[0] == -1) clusterIds[0] = database.addCluster(className);
} else
for (int i = 0; i < minimumClusters; ++i) {
clusterIds[i] = database.getClusterIdByName(className + "_" + i);
if (clusterIds[i] == -1) clusterIds[i] = database.addCluster(className + "_" + i);
}
return clusterIds;
}
protected void searchInClusters() {
final ODatabaseDocumentInternal database = getDatabase();
final Set<Integer> clusterIds = new HashSet<Integer>();
for (String clusterName : parsedTarget.getTargetClusters().keySet()) {
if (clusterName == null || clusterName.length() == 0)
throw new OCommandExecutionException("No cluster or schema class selected in query");
database.checkSecurity(
ORule.ResourceGeneric.CLUSTER, ORole.PERMISSION_READ, clusterName.toLowerCase());
if (Character.isDigit(clusterName.charAt(0))) {
// GET THE CLUSTER NUMBER
for (int clusterId : OStringSerializerHelper.splitIntArray(clusterName)) {
if (clusterId == -1)
throw new OCommandExecutionException("Cluster '" + clusterName + "' not found");
clusterIds.add(clusterId);
}
} else {
// GET THE CLUSTER NUMBER BY THE CLASS NAME
final int clusterId = database.getClusterIdByName(clusterName.toLowerCase());
if (clusterId == -1)
throw new OCommandExecutionException("Cluster '" + clusterName + "' not found");
clusterIds.add(clusterId);
}
}
// CREATE CLUSTER AS ARRAY OF INT
final int[] clIds = new int[clusterIds.size()];
int i = 0;
for (int c : clusterIds) clIds[i++] = c;
final ORID[] range = getRange();
target =
new ORecordIteratorClusters<ORecord>(database, database, clIds)
.setRange(range[0], range[1]);
}