/**
* Set an attribute value for the given environment.
*
* @param targetEnv The target JE environment. May be null if the environment is not open.
* @param attribute name/value pair
*/
public void setAttribute(Environment targetEnv, Attribute attribute)
throws AttributeNotFoundException, InvalidAttributeValueException {
if (attribute == null) {
throw new AttributeNotFoundException("Attribute cannot be null");
}
/* Sanity check parameters. */
String name = attribute.getName();
Object value = attribute.getValue();
if (name == null) {
throw new AttributeNotFoundException("Attribute name cannot be null");
}
if (value == null) {
throw new InvalidAttributeValueException(
"Attribute value for attribute " + name + " cannot be null");
}
try {
if (name.equals(ATT_SET_READ_ONLY)) {
openConfig.setReadOnly(((Boolean) value).booleanValue());
} else if (name.equals(ATT_SET_TRANSACTIONAL)) {
openConfig.setTransactional(((Boolean) value).booleanValue());
} else if (name.equals(ATT_SET_SERIALIZABLE)) {
openConfig.setTxnSerializableIsolation(((Boolean) value).booleanValue());
} else {
/* Set the specified attribute if the environment is open. */
if (targetEnv != null) {
EnvironmentMutableConfig config = targetEnv.getMutableConfig();
if (name.equals(ATT_CACHE_SIZE)) {
config.setCacheSize(((Long) value).longValue());
targetEnv.setMutableConfig(config);
} else if (name.equals(ATT_CACHE_PERCENT)) {
config.setCachePercent(((Integer) value).intValue());
targetEnv.setMutableConfig(config);
} else {
throw new AttributeNotFoundException("attribute " + name + " is not valid.");
}
} else {
throw new AttributeNotFoundException("attribute " + name + " is not valid.");
}
}
} catch (NumberFormatException e) {
throw new InvalidAttributeValueException("attribute name=" + name);
} catch (DatabaseException e) {
throw new InvalidAttributeValueException("attribute name=" + name + e.getMessage());
}
}
public static void setCachePercent(String cachePercent) {
EnvironmentMutableConfig mutableConfig = Bdb.mutable.bdbEnv.getMutableConfig();
mutableConfig.setCachePercent(Integer.parseInt(cachePercent));
Bdb.mutable.bdbEnv.setMutableConfig(mutableConfig);
Bdb.readOnly.bdbEnv.setMutableConfig(mutableConfig);
}