private void addPropertyMetadataItemToMutation(
Mutation m, Property property, Metadata.Entry metadataItem) {
Text columnQualifier = getPropertyMetadataColumnQualifierText(property, metadataItem);
ColumnVisibility metadataVisibility =
visibilityToAccumuloVisibility(metadataItem.getVisibility());
if (metadataItem.getValue() == null) {
addPropertyMetadataItemDeleteToMutation(m, columnQualifier, metadataVisibility);
} else {
addPropertyMetadataItemAddToMutation(
m, columnQualifier, metadataVisibility, property.getTimestamp(), metadataItem.getValue());
}
}
public void addPropertyDeleteMetadataToMutation(
Mutation m, PropertyDeleteMutation propertyDeleteMutation) {
if (propertyDeleteMutation instanceof PropertyPropertyDeleteMutation) {
Property property = ((PropertyPropertyDeleteMutation) propertyDeleteMutation).getProperty();
Metadata metadata = property.getMetadata();
for (Metadata.Entry metadataItem : metadata.entrySet()) {
Text columnQualifier = getPropertyMetadataColumnQualifierText(property, metadataItem);
ColumnVisibility metadataVisibility =
visibilityToAccumuloVisibility(metadataItem.getVisibility());
addPropertyMetadataItemDeleteToMutation(m, columnQualifier, metadataVisibility);
}
}
}
private Text getPropertyMetadataColumnQualifierText(
Property property, Metadata.Entry metadataItem) {
final String propertyName = property.getName();
final String propertyKey = property.getKey();
final String visibilityString = property.getVisibility().getVisibilityString();
final String metadataKey = metadataItem.getKey();
//noinspection StringBufferReplaceableByString - for speed we use StringBuilder
StringBuilder keyBuilder =
new StringBuilder(
propertyName.length()
+ propertyKey.length()
+ visibilityString.length()
+ metadataKey.length());
keyBuilder.append(getNameSubstitutionStrategy().deflate(propertyName));
keyBuilder.append(getNameSubstitutionStrategy().deflate(propertyKey));
keyBuilder.append(visibilityString);
keyBuilder.append(getNameSubstitutionStrategy().deflate(metadataKey));
String key = keyBuilder.toString();
Text r = propertyMetadataColumnQualifierTextCache.peek(key);
if (r == null) {
r =
KeyHelper.getColumnQualifierFromPropertyMetadataColumnQualifier(
propertyName,
propertyKey,
visibilityString,
metadataKey,
getNameSubstitutionStrategy());
propertyMetadataColumnQualifierTextCache.put(key, r);
}
return r;
}
public void addPropertyDeleteToMutation(Mutation m, Property property) {
Preconditions.checkNotNull(m, "mutation cannot be null");
Preconditions.checkNotNull(property, "property cannot be null");
Text columnQualifier =
KeyHelper.getColumnQualifierFromPropertyColumnQualifier(
property, getNameSubstitutionStrategy());
ColumnVisibility columnVisibility = visibilityToAccumuloVisibility(property.getVisibility());
m.putDelete(
AccumuloElement.CF_PROPERTY, columnQualifier, columnVisibility, currentTimeMillis());
for (Metadata.Entry metadataEntry : property.getMetadata().entrySet()) {
Text metadataEntryColumnQualifier =
getPropertyMetadataColumnQualifierText(property, metadataEntry);
ColumnVisibility metadataEntryVisibility =
visibilityToAccumuloVisibility(metadataEntry.getVisibility());
addPropertyMetadataItemDeleteToMutation(
m, metadataEntryColumnQualifier, metadataEntryVisibility);
}
}
private void addPropertyMetadataItemToKeyValuePairs(
List<KeyValuePair> results,
Text vertexRowKey,
Property property,
Metadata.Entry metadataItem) {
Text columnQualifier = getPropertyMetadataColumnQualifierText(property, metadataItem);
ColumnVisibility metadataVisibility =
visibilityToAccumuloVisibility(metadataItem.getVisibility());
if (metadataItem.getValue() == null) {
throw new VertexiumException("Property metadata deletes are not supported");
} else {
addPropertyMetadataItemAddToKeyValuePairs(
results,
vertexRowKey,
columnQualifier,
metadataVisibility,
property.getTimestamp(),
metadataItem.getValue());
}
}
