org.apache.dubbo.registry.client.InstanceAddressURL Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of dubbo Show documentation
Show all versions of dubbo Show documentation
The all in one project of dubbo
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
package org.apache.dubbo.registry.client;
import org.apache.dubbo.common.URL;
import org.apache.dubbo.common.url.component.ServiceConfigURL;
import org.apache.dubbo.common.url.component.URLAddress;
import org.apache.dubbo.common.url.component.URLParam;
import org.apache.dubbo.common.utils.CollectionUtils;
import org.apache.dubbo.common.utils.StringUtils;
import org.apache.dubbo.metadata.MetadataInfo;
import org.apache.dubbo.rpc.RpcContext;
import org.apache.dubbo.rpc.model.ApplicationModel;
import org.apache.dubbo.rpc.model.FrameworkModel;
import org.apache.dubbo.rpc.model.ScopeModel;
import org.apache.dubbo.rpc.model.ServiceModel;
import java.util.HashMap;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import static org.apache.dubbo.common.constants.CommonConstants.CONSUMER;
import static org.apache.dubbo.common.constants.CommonConstants.CONSUMER_SIDE;
import static org.apache.dubbo.common.constants.CommonConstants.DUBBO;
import static org.apache.dubbo.common.constants.CommonConstants.GROUP_KEY;
import static org.apache.dubbo.common.constants.CommonConstants.INTERFACE_KEY;
import static org.apache.dubbo.common.constants.CommonConstants.REMOTE_APPLICATION_KEY;
import static org.apache.dubbo.common.constants.CommonConstants.SIDE_KEY;
import static org.apache.dubbo.common.constants.CommonConstants.VERSION_KEY;
import static org.apache.dubbo.common.utils.StringUtils.isEmpty;
import static org.apache.dubbo.common.utils.StringUtils.isEquals;
public class InstanceAddressURL extends URL {
private final ServiceInstance instance;
private final MetadataInfo metadataInfo;
// cached numbers
private volatile transient Set providerFirstParams;
// one instance address url serves only one protocol.
private final transient String protocol;
protected InstanceAddressURL() {
this(null, null, null);
}
public InstanceAddressURL(
ServiceInstance instance,
MetadataInfo metadataInfo
) {
this.instance = instance;
this.metadataInfo = metadataInfo;
this.protocol = DUBBO;
}
public InstanceAddressURL(
ServiceInstance instance,
MetadataInfo metadataInfo,
String protocol
) {
this.instance = instance;
this.metadataInfo = metadataInfo;
this.protocol = protocol;
}
public ServiceInstance getInstance() {
return instance;
}
public MetadataInfo getMetadataInfo() {
return metadataInfo;
}
@Override
public String getServiceInterface() {
return RpcContext.getServiceContext().getInterfaceName();
}
@Override
public String getGroup() {
return RpcContext.getServiceContext().getGroup();
}
@Override
public String getVersion() {
return RpcContext.getServiceContext().getVersion();
}
@Override
public String getProtocol() {
return protocol;
}
@Override
public String getProtocolServiceKey() {
// if protocol is not specified on consumer side, return serviceKey.
URL consumerURL = RpcContext.getServiceContext().getConsumerUrl();
String consumerProtocol = consumerURL == null ? null : consumerURL.getProtocol();
if (isEquals(consumerProtocol, CONSUMER)) {
return RpcContext.getServiceContext().getServiceKey();
}
// if protocol is specified on consumer side, return accurate protocolServiceKey
else {
return RpcContext.getServiceContext().getProtocolServiceKey();
}
}
@Override
public String getServiceKey() {
return RpcContext.getServiceContext().getServiceKey();
}
@Override
public URL setProtocol(String protocol) {
return new ServiceConfigURL(protocol, getUsername(), getPassword(), getHost(), getPort(), getPath(), getParameters(), attributes);
}
@Override
public URL setHost(String host) {
return new ServiceConfigURL(getProtocol(), getUsername(), getPassword(), host, getPort(), getPath(), getParameters(), attributes);
}
@Override
public URL setPort(int port) {
return new ServiceConfigURL(getProtocol(), getUsername(), getPassword(), getHost(), port, getPath(), getParameters(), attributes);
}
@Override
public URL setPath(String path) {
return new ServiceConfigURL(getProtocol(), getUsername(), getPassword(), getHost(), getPort(), path, getParameters(), attributes);
}
@Override
public String getAddress() {
return instance.getAddress();
}
@Override
public String getHost() {
return instance.getHost();
}
@Override
public int getPort() {
return instance.getPort();
}
@Override
public String getIp() {
return instance.getHost();
}
@Override
public String getRemoteApplication() {
return instance.getServiceName();
}
@Override
public String getSide() {
return CONSUMER_SIDE;
}
@Override
public String getPath() {
MetadataInfo.ServiceInfo serviceInfo = null;
String protocolServiceKey = getProtocolServiceKey();
if (StringUtils.isNotEmpty(protocolServiceKey)) {
serviceInfo = getServiceInfo(protocolServiceKey);
}
if (serviceInfo == null) {
return getServiceInterface();
}
return serviceInfo.getPath();
}
@Override
public String getParameter(String key) {
if (VERSION_KEY.equals(key)) {
return getVersion();
} else if (GROUP_KEY.equals(key)) {
return getGroup();
} else if (INTERFACE_KEY.equals(key)) {
return getServiceInterface();
} else if (REMOTE_APPLICATION_KEY.equals(key)) {
return instance.getServiceName();
} else if (SIDE_KEY.equals(key)) {
return getSide();
}
if (consumerParamFirst(key)) {
URL consumerUrl = RpcContext.getServiceContext().getConsumerUrl();
if (consumerUrl != null) {
String v = consumerUrl.getParameter(key);
if (StringUtils.isNotEmpty(v)) {
return v;
}
}
}
String protocolServiceKey = getProtocolServiceKey();
if (isEmpty(protocolServiceKey)) {
return getInstanceParameter(key);
}
return getServiceParameter(protocolServiceKey, key);
}
@Override
public String getServiceParameter(String service, String key) {
if (consumerParamFirst(key)) {
URL consumerUrl = RpcContext.getServiceContext().getConsumerUrl();
if (consumerUrl != null) {
String v = consumerUrl.getServiceParameter(service, key);
if (StringUtils.isNotEmpty(v)) {
return v;
}
}
}
if (metadataInfo != null) {
String value = metadataInfo.getParameter(key, service);
if (StringUtils.isNotEmpty(value)) {
return value;
}
}
return getInstanceParameter(key);
}
/**
* method parameter only exists in ServiceInfo
*
* @param method
* @param key
* @return
*/
@Override
public String getServiceMethodParameter(String protocolServiceKey, String method, String key) {
if (consumerParamFirst(key)) {
URL consumerUrl = RpcContext.getServiceContext().getConsumerUrl();
if (consumerUrl != null) {
String v = consumerUrl.getServiceMethodParameter(protocolServiceKey, method, key);
if (StringUtils.isNotEmpty(v)) {
return v;
}
}
}
MetadataInfo.ServiceInfo serviceInfo = getServiceInfo(protocolServiceKey);
if (null == serviceInfo) {
return getParameter(key);
}
String value = serviceInfo.getMethodParameter(method, key, null);
if (StringUtils.isNotEmpty(value)) {
return value;
}
return getParameter(key);
}
@Override
public String getMethodParameter(String method, String key) {
if (consumerParamFirst(key)) {
URL consumerUrl = RpcContext.getServiceContext().getConsumerUrl();
if (consumerUrl != null) {
String v = consumerUrl.getMethodParameter(method, key);
if (StringUtils.isNotEmpty(v)) {
return v;
}
}
}
String protocolServiceKey = getProtocolServiceKey();
if (isEmpty(protocolServiceKey)) {
return null;
}
return getServiceMethodParameter(protocolServiceKey, method, key);
}
/**
* method parameter only exists in ServiceInfo
*
* @param method
* @param key
* @return
*/
@Override
public boolean hasServiceMethodParameter(String protocolServiceKey, String method, String key) {
if (consumerParamFirst(key)) {
URL consumerUrl = RpcContext.getServiceContext().getConsumerUrl();
if (consumerUrl != null) {
if (consumerUrl.hasServiceMethodParameter(protocolServiceKey, method, key)) {
return true;
}
}
}
MetadataInfo.ServiceInfo serviceInfo = getServiceInfo(protocolServiceKey);
if (isEmpty(method)) {
String suffix = "." + key;
for (String fullKey : getParameters().keySet()) {
if (fullKey.endsWith(suffix)) {
return true;
}
}
return false;
}
if (isEmpty(key)) {
String prefix = method + ".";
for (String fullKey : getParameters().keySet()) {
if (fullKey.startsWith(prefix)) {
return true;
}
}
return false;
}
if (null == serviceInfo) {
return false;
}
return serviceInfo.hasMethodParameter(method, key);
}
@Override
public boolean hasMethodParameter(String method, String key) {
if (consumerParamFirst(key)) {
URL consumerUrl = RpcContext.getServiceContext().getConsumerUrl();
if (consumerUrl != null) {
if (consumerUrl.hasMethodParameter(method, key)) {
return true;
}
}
}
String protocolServiceKey = getProtocolServiceKey();
if (isEmpty(protocolServiceKey)) {
return false;
}
return hasServiceMethodParameter(protocolServiceKey, method, key);
}
/**
* method parameter only exists in ServiceInfo
*
* @param method
* @return
*/
@Override
public boolean hasServiceMethodParameter(String protocolServiceKey, String method) {
URL consumerUrl = RpcContext.getServiceContext().getConsumerUrl();
if (consumerUrl != null) {
if (consumerUrl.hasServiceMethodParameter(protocolServiceKey, method)) {
return true;
}
}
MetadataInfo.ServiceInfo serviceInfo = getServiceInfo(protocolServiceKey);
if (null == serviceInfo) {
return false;
}
return serviceInfo.hasMethodParameter(method);
}
@Override
public boolean hasMethodParameter(String method) {
URL consumerUrl = RpcContext.getServiceContext().getConsumerUrl();
if (consumerUrl != null) {
if (consumerUrl.hasMethodParameter(method)) {
return true;
}
}
String protocolServiceKey = getProtocolServiceKey();
if (isEmpty(protocolServiceKey)) {
return false;
}
return hasServiceMethodParameter(protocolServiceKey, method);
}
/**
* Avoid calling this method in RPC call.
*
* @return
*/
@Override
public Map getServiceParameters(String protocolServiceKey) {
Map instanceParams = getInstance().getAllParams();
Map metadataParams = (metadataInfo == null ? new HashMap<>() : metadataInfo.getParameters(protocolServiceKey));
int i = instanceParams == null ? 0 : instanceParams.size();
int j = metadataParams == null ? 0 : metadataParams.size();
Map params = new HashMap<>((int) ((i + j) / 0.75) + 1);
if (instanceParams != null) {
params.putAll(instanceParams);
}
if (metadataParams != null) {
params.putAll(metadataParams);
}
URL consumerUrl = RpcContext.getServiceContext().getConsumerUrl();
if (consumerUrl != null) {
Map consumerParams = new HashMap<>(consumerUrl.getParameters());
if (CollectionUtils.isNotEmpty(providerFirstParams)) {
providerFirstParams.forEach(consumerParams::remove);
}
params.putAll(consumerParams);
}
return params;
}
@Override
public Map getParameters() {
String protocolServiceKey = getProtocolServiceKey();
if (isEmpty(protocolServiceKey)) {
return getInstance().getAllParams();
}
return getServiceParameters(protocolServiceKey);
}
@Override
public URL addParameter(String key, String value) {
if (isEmpty(key) || isEmpty(value)) {
return this;
}
getInstance().putExtendParam(key, value);
return this;
}
@Override
public URL addParameterIfAbsent(String key, String value) {
if (isEmpty(key) || isEmpty(value)) {
return this;
}
getInstance().putExtendParamIfAbsent(key, value);
return this;
}
public URL addServiceParameter(String protocolServiceKey, String key, String value) {
if (isEmpty(key) || isEmpty(value)) {
return this;
}
MetadataInfo.ServiceInfo serviceInfo = getServiceInfo(protocolServiceKey);
if (null != serviceInfo) {
serviceInfo.addParameter(key, value);
}
return this;
}
public URL addServiceParameterIfAbsent(String protocolServiceKey, String key, String value) {
if (isEmpty(key) || isEmpty(value)) {
return this;
}
MetadataInfo.ServiceInfo serviceInfo = getServiceInfo(protocolServiceKey);
if (null != serviceInfo) {
serviceInfo.addParameterIfAbsent(key, value);
}
return this;
}
public URL addConsumerParams(String protocolServiceKey, Map params) {
MetadataInfo.ServiceInfo serviceInfo = getServiceInfo(protocolServiceKey);
if (null != serviceInfo) {
serviceInfo.addConsumerParams(params);
}
return this;
}
/**
* Gets method level value of the specified key.
*
* @param key
* @return
*/
@Override
public String getAnyMethodParameter(String key) {
String suffix = "." + key;
String protocolServiceKey = getProtocolServiceKey();
if (StringUtils.isNotEmpty(protocolServiceKey)) {
MetadataInfo.ServiceInfo serviceInfo = getServiceInfo(protocolServiceKey);
if (null == serviceInfo) {
return null;
}
for (String fullKey : serviceInfo.getAllParams().keySet()) {
if (fullKey.endsWith(suffix)) {
return getParameter(fullKey);
}
}
}
return null;
}
@Override
public URLParam getUrlParam() {
throw new UnsupportedOperationException("URLParam is replaced with MetadataInfo in instance url");
}
@Override
public URLAddress getUrlAddress() {
throw new UnsupportedOperationException("URLAddress is replaced with ServiceInstance in instance url");
}
private MetadataInfo.ServiceInfo getServiceInfo(String protocolServiceKey) {
return metadataInfo.getValidServiceInfo(protocolServiceKey);
}
private String getInstanceParameter(String key) {
String value = this.instance.getMetadata().get(key);
if (StringUtils.isNotEmpty(value)) {
return value;
}
return this.instance.getExtendParam(key);
}
private Map getInstanceMetadata() {
return this.instance.getMetadata();
}
@Override
public FrameworkModel getOrDefaultFrameworkModel() {
return instance.getOrDefaultApplicationModel().getFrameworkModel();
}
@Override
public ApplicationModel getOrDefaultApplicationModel() {
return instance.getOrDefaultApplicationModel();
}
@Override
public ApplicationModel getApplicationModel() {
return instance.getApplicationModel();
}
@Override
public ScopeModel getScopeModel() {
return Optional.ofNullable(RpcContext.getServiceContext().getConsumerUrl())
.map(URL::getScopeModel)
.orElse(super.getScopeModel());
}
@Override
public ServiceModel getServiceModel() {
return RpcContext.getServiceContext().getConsumerUrl().getServiceModel();
}
public Set getProviderFirstParams() {
return providerFirstParams;
}
public void setProviderFirstParams(Set providerFirstParams) {
this.providerFirstParams = providerFirstParams;
}
private boolean consumerParamFirst(String key) {
if (CollectionUtils.isNotEmpty(providerFirstParams)) {
return !providerFirstParams.contains(key);
} else {
return true;
}
}
@Override
public boolean equals(Object obj) {
// instance metadata equals
if (obj == null) {
return false;
}
if (!(obj instanceof InstanceAddressURL)) {
return false;
}
InstanceAddressURL that = (InstanceAddressURL) obj;
return this.getInstance().equals(that.getInstance());
}
@Override
public int hashCode() {
return getInstance().hashCode();
}
@Override
public String toString() {
if (instance == null) {
return "{}";
}
if (metadataInfo == null) {
return instance.toString();
}
String protocolServiceKey = getProtocolServiceKey();
if (StringUtils.isNotEmpty(protocolServiceKey)) {
return instance.toString() + ", " + metadataInfo.getServiceString(protocolServiceKey);
}
return instance.toString();
}
}