package com.linkedin.databus.core.cmclient;
/*
*
* Copyright 2013 LinkedIn Corp. All rights reserved
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
import java.text.ParseException;
import com.linkedin.databus.core.data_model.Role;
/**
* A class encapsulating the keys received from Helix, as applicable to the relay use-case
* Provides
*
* @author Phanindra Ganti<pganti@linkedin.com>
*/
public class ResourceKey
implements Comparable<ResourceKey>
{
private int NUM_SUBKEYS = 4;
private String _physicalSource;
private String _physicalPartition;
private LogicalPartitionRepresentation _logicalPartitionRepresentation;
private Role _role;
public ResourceKey(String resourceKey)
throws ParseException
{
/**
* For example: Resource "ela4-db1-espresso.prod.linkedin.com_1521,bizProfile,p1_1,MASTER"
* PS : "ela4-db1-espresso.prod.linkedin.com_1521"
* PP : "bizProfile"
* LP : "p1_1"
* state: "MASTER"
*/
String[] parts = resourceKey.split(",");
if (parts.length != NUM_SUBKEYS)
throw new ParseException("Resource key " + resourceKey + " has " + parts.length + " parts instead of " + NUM_SUBKEYS, 0);
_physicalSource = parts[0];
_physicalPartition = parts[1];
_logicalPartitionRepresentation = new LogicalPartitionRepresentation(parts[2]);
_role = new Role(parts[3]);
}
public String getPhysicalSource() {
return _physicalSource;
}
public String getPhysicalPartition() {
return _physicalPartition;
}
public String getLogicalPartition() {
return _logicalPartitionRepresentation.getLogicalPartition();
}
public int getLogicalPartitionNumber() {
return _logicalPartitionRepresentation.getPartitionNum();
}
public int getLogicalSchemaVersion() {
return _logicalPartitionRepresentation.getSchemaVersion();
}
public com.linkedin.databus.core.data_model.Role getRole() {
return _role;
}
public String getRoleString() {
return _role.toString();
}
public boolean isMaster() {
return _role.checkIfMaster();
}
public boolean isValidRole() {
return (_role.checkIfMaster() || _role.checkIfSlave());
}
@Override
public String toString() {
return "ResourceKey [_physicalSource=" + _physicalSource
+ ", _physicalPartition=" + _physicalPartition
+ ", _logicalPartitionRepresentation="
+ _logicalPartitionRepresentation + ", _role=" + _role
+ "]";
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + NUM_SUBKEYS;
result = prime
* result
+ ((_logicalPartitionRepresentation == null) ? 0
: _logicalPartitionRepresentation.hashCode());
result = prime
* result
+ ((_physicalPartition == null) ? 0 : _physicalPartition
.hashCode());
result = prime * result
+ ((_physicalSource == null) ? 0 : _physicalSource.hashCode());
result = prime * result + ((_role == null) ? 0 : _role.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;
ResourceKey other = (ResourceKey) obj;
if (NUM_SUBKEYS != other.NUM_SUBKEYS)
return false;
if (_logicalPartitionRepresentation == null) {
if (other._logicalPartitionRepresentation != null)
return false;
} else if (!_logicalPartitionRepresentation
.equals(other._logicalPartitionRepresentation))
return false;
if (_physicalPartition == null) {
if (other._physicalPartition != null)
return false;
} else if (!_physicalPartition.equals(other._physicalPartition))
return false;
if (_physicalSource == null) {
if (other._physicalSource != null)
return false;
} else if (!_physicalSource.equals(other._physicalSource))
return false;
if (!_role.equals(other._role))
return false;
return true;
}
@Override
public int compareTo(ResourceKey o)
{
String s1 = "" + _physicalSource + _physicalPartition + getLogicalPartition();
String s2 = "" + o.getPhysicalSource() + o.getPhysicalPartition() + o.getLogicalPartition();
return s1.compareTo(s2);
}
}