package org.infinispan.configuration.cache;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.infinispan.commons.configuration.attributes.Attribute;
import org.infinispan.commons.configuration.attributes.AttributeDefinition;
import org.infinispan.commons.configuration.attributes.AttributeInitializer;
import org.infinispan.commons.configuration.attributes.AttributeSet;
/**
* @author Mircea.Markus@jboss.com
* @since 5.2
*/
public class SitesConfiguration {
public static final AttributeDefinition<Boolean> DISABLE_BACKUPS = AttributeDefinition.builder("disable", false).immutable().build();
public static final AttributeDefinition<Set<String>> IN_USE_BACKUP_SITES = AttributeDefinition.builder("backup-sites-in-use", null, (Class<Set<String>>)(Class<?>)Set.class)
.initializer(new AttributeInitializer<Set<String>>() {
@Override
public Set<String> initialize() {
return new HashSet<>(2);
}
}).immutable().build();
static final AttributeSet attributeDefinitionSet() {
return new AttributeSet(SitesConfiguration.class, DISABLE_BACKUPS, IN_USE_BACKUP_SITES);
}
private final BackupForConfiguration backupFor;
private final List<BackupConfiguration> allBackups;
private final Attribute<Boolean> disableBackups;
private final Attribute<Set<String>> inUseBackupSites;
private final AttributeSet attributes;
public SitesConfiguration(AttributeSet attributes, List<BackupConfiguration> allBackups, BackupForConfiguration backupFor) {
this.attributes = attributes.checkProtection();
this.allBackups = Collections.unmodifiableList(allBackups);
this.disableBackups = attributes.attribute(DISABLE_BACKUPS);
this.inUseBackupSites = attributes.attribute(IN_USE_BACKUP_SITES);
this.backupFor = backupFor;
}
/**
* Returns true if this cache won't backup its data remotely.
* It would still accept other sites backing up data on this site.
*/
public boolean disableBackups() {
return disableBackups.get();
}
/**
* Returns the list of all sites where this cache might back up its data. The list of actual sites is defined by
* {@link #inUseBackupSites}.
*/
public List<BackupConfiguration> allBackups() {
return allBackups;
}
/**
* Returns the list of {@link BackupConfiguration} that have {@link org.infinispan.configuration.cache.BackupConfiguration#enabled()} == true.
*/
public List<BackupConfiguration> enabledBackups() {
List<BackupConfiguration> result = new ArrayList<>();
for (BackupConfiguration bc : allBackups) {
if (bc.enabled()) result.add(bc);
}
return result;
}
/**
* @return information about caches that backup data into this cache.
*/
public BackupForConfiguration backupFor() {
return backupFor;
}
public BackupFailurePolicy getFailurePolicy(String siteName) {
for (BackupConfiguration bc : allBackups) {
if (bc.site().equals(siteName)) {
return bc.backupFailurePolicy();
}
}
throw new IllegalStateException("There must be a site configured for " + siteName);
}
public boolean hasInUseBackup(String siteName) {
for (BackupConfiguration bc : allBackups) {
if (bc.site().equals(siteName)) {
return bc.enabled();
}
}
return false;
}
public boolean hasEnabledBackups() {
for (BackupConfiguration bc : allBackups) {
if (bc.enabled()) return true;
}
return false;
}
public Set<String> inUseBackupSites() {
return inUseBackupSites.get();
}
public AttributeSet attributes() {
return attributes;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((attributes == null) ? 0 : attributes.hashCode());
result = prime * result + ((backupFor == null) ? 0 : backupFor.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
SitesConfiguration other = (SitesConfiguration) obj;
if (attributes == null) {
if (other.attributes != null)
return false;
} else if (!attributes.equals(other.attributes))
return false;
if (backupFor == null) {
if (other.backupFor != null)
return false;
} else if (!backupFor.equals(other.backupFor))
return false;
return true;
}
@Override
public String toString() {
return "SitesConfiguration [backupFor=" + backupFor + ", allBackups=" + allBackups + ", attributes=" + attributes + "]";
}
}