/**
* Copyright (c) 2009-2011 VMware, Inc. 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.
*/
package com.springsource.insight.plugin.gemfire;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import com.springsource.insight.intercept.operation.Operation;
import com.springsource.insight.intercept.operation.OperationType;
import com.springsource.insight.intercept.topology.AbstractExternalResourceAnalyzer;
import com.springsource.insight.intercept.topology.ExternalResourceDescriptor;
import com.springsource.insight.intercept.topology.ExternalResourceType;
import com.springsource.insight.intercept.topology.MD5NameGenerator;
import com.springsource.insight.intercept.trace.Frame;
import com.springsource.insight.intercept.trace.Trace;
import com.springsource.insight.util.ListUtil;
import com.springsource.insight.util.StringUtil;
public abstract class AbstractGemFireExternalResourceAnalyzer extends
AbstractExternalResourceAnalyzer {
protected static final String GEMFIRE_EMBEDDED = "Gemfire Embedded";
protected static final int EMPTY_PORT = -1;
public AbstractGemFireExternalResourceAnalyzer(OperationType type) {
super(type);
}
protected abstract boolean shouldCreateExteranlResource(Frame frame);
protected int getPort(Operation op) {
return EMPTY_PORT;
}
protected String getHostname(Operation op) {
return null;
}
public static final String createLabel(String hostname, int port) {
StringBuilder builder = new StringBuilder((hostname != null ? hostname.length() : 4) + 6);
if (StringUtil.isEmpty(hostname) && port == EMPTY_PORT) {
builder.append(GEMFIRE_EMBEDDED);
} else {
builder.append(hostname);
builder.append(':');
builder.append(port);
}
return builder.toString();
}
public Collection<ExternalResourceDescriptor> locateExternalResourceName(Trace trace, Collection<Frame> frames) {
if (ListUtil.size(frames) <= 0) {
return Collections.emptyList();
}
List<ExternalResourceDescriptor> descriptors = new ArrayList<ExternalResourceDescriptor>(frames.size());
for (Frame frame : frames) {
Operation op = frame.getOperation();
String hostname = getHostname(op);
int port = getPort(op);
if (!shouldCreateExteranlResource(frame)) {
continue;
}
String color = colorManager.getColor(op);
String label = createLabel(hostname, port);
String name = createName(hostname, port, label);
ExternalResourceDescriptor desc =
createExternalResource(frame, hostname, port, color, label, name);
descriptors.add(desc);
}
return descriptors;
}
private ExternalResourceDescriptor createExternalResource(Frame frame, String hostname,
int port, String color, String label, String name) {
return new ExternalResourceDescriptor(frame,
name,
label,
ExternalResourceType.KVSTORE.name(),
GemFireDefenitions.GEMFIRE,
hostname,
port,
color,
false);
}
public static final String createName(String hostname, int port) {
return createName(hostname, port, null);
}
public static final String createName(String hostname, int port, String label) {
String labelToUse = label != null ? label : createLabel(hostname, port);
StringBuilder builder = new StringBuilder(GemFireDefenitions.GEMFIRE.length() + 1 + labelToUse.length());
builder.append(GemFireDefenitions.GEMFIRE);
builder.append(':');
builder.append(labelToUse);
String name = MD5NameGenerator.getName(builder.toString());
builder.delete(0, builder.length());
builder.ensureCapacity(GemFireDefenitions.GEMFIRE.length() + 1 + name.length());
builder.append(GemFireDefenitions.GEMFIRE);
builder.append(':');
builder.append(name);
return builder.toString();
}
}