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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2016-2018 Ericsson. 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.policy.apex.context.monitoring;
import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
import org.onap.policy.apex.model.basicmodel.concepts.AxConcept;
import org.onap.policy.apex.model.basicmodel.concepts.AxReferenceKey;
import org.slf4j.ext.XLogger;
import org.slf4j.ext.XLoggerFactory;
/**
* This class is used to monitor context creates, deletes, gets, sets, locks and unlocks on context items in Apex
* context albums.
*
* @author Liam Fallon (liam.fallon@ericsson.com)
*/
public class ContextMonitor {
// Logger for this class
private static final XLogger LOGGER = XLoggerFactory.getXLogger(ContextMonitor.class);
/**
* Monitor an initiation on a context item.
*
* @param albumKey The item album
* @param schemaKey The item schema
* @param name The name of the item
* @param value The value of the item
*/
public void monitorInit(final AxArtifactKey albumKey, final AxArtifactKey schemaKey, final String name,
final Object value) {
LOGGER.trace(monitor("INIT", null, albumKey, schemaKey, name, value));
}
/**
* Monitor an initiation on a context item.
*
* @param albumKey The item album
* @param schemaKey The item schema
* @param name The name of the item
* @param value The value of the item
* @param userArtifactStack the keys of the artifacts using the context map at the moment
*/
public void monitorInit(final AxArtifactKey albumKey, final AxArtifactKey schemaKey, final String name,
final Object value, final AxConcept[] userArtifactStack) {
LOGGER.trace(monitor("INIT", userArtifactStack, albumKey, schemaKey, name, value));
}
/**
* Monitor a deletion on a context item.
*
* @param albumKey The item album
* @param schemaKey The item schema
* @param name The name of the item
* @param value The value of the item
* @param userArtifactStack the keys of the artifacts using the context map at the moment
*/
public void monitorDelete(final AxArtifactKey albumKey, final AxArtifactKey schemaKey, final String name,
final Object value, final AxConcept[] userArtifactStack) {
LOGGER.trace(monitor("DEL", userArtifactStack, albumKey, schemaKey, name, value));
}
/**
* Monitor get on a context item.
*
* @param albumKey The item album
* @param schemaKey The item schema
* @param name The name of the item
* @param value The value of the item
* @param userArtifactStack the keys of the artifacts using the context map at the moment
*/
public void monitorGet(final AxArtifactKey albumKey, final AxArtifactKey schemaKey, final String name,
final Object value, final AxConcept[] userArtifactStack) {
LOGGER.trace(monitor("GET", userArtifactStack, albumKey, schemaKey, name, value));
}
/**
* Monitor set on a context item.
*
* @param albumKey The item album
* @param schemaKey The item schema
* @param name The name of the item
* @param value The value of the item
* @param userArtifactStack the keys of the artifacts using the context map at the moment
*/
public void monitorSet(final AxArtifactKey albumKey, final AxArtifactKey schemaKey, final String name,
final Object value, final AxConcept[] userArtifactStack) {
LOGGER.trace(monitor("SET", userArtifactStack, albumKey, schemaKey, name, value));
}
/**
* Monitor a read lock on a key.
*
* @param albumKey The item album
* @param schemaKey The item schema
* @param name The name of the item
* @param userArtifactStack the keys of the artifacts using the context map at the moment
*/
public void monitorReadLock(final AxArtifactKey albumKey, final AxArtifactKey schemaKey, final String name,
final AxConcept[] userArtifactStack) {
LOGGER.trace(monitor("READLOCK", userArtifactStack, albumKey, schemaKey, name, null));
}
/**
* Monitor a write lock on a key.
*
* @param albumKey The item album
* @param schemaKey The item schema
* @param name The name of the item
* @param userArtifactStack the keys of the artifacts using the context map at the moment
*/
public void monitorWriteLock(final AxArtifactKey albumKey, final AxArtifactKey schemaKey, final String name,
final AxConcept[] userArtifactStack) {
LOGGER.trace(monitor("WRITELOCK", userArtifactStack, albumKey, schemaKey, name, null));
}
/**
* Monitor a read unlock on a key.
*
* @param albumKey The item album
* @param schemaKey The item schema
* @param name The name of the item
* @param userArtifactStack the keys of the artifacts using the context map at the moment
*/
public void monitorReadUnlock(final AxArtifactKey albumKey, final AxArtifactKey schemaKey, final String name,
final AxConcept[] userArtifactStack) {
LOGGER.trace(monitor("READUNLOCK", userArtifactStack, albumKey, schemaKey, name, null));
}
/**
* Monitor a write unlock on a key.
*
* @param albumKey The item album
* @param schemaKey The item schema
* @param name The name of the item
* @param userArtifactStack the keys of the artifacts using the context map at the moment
*/
public void monitorWriteUnlock(final AxArtifactKey albumKey, final AxArtifactKey schemaKey, final String name,
final AxConcept[] userArtifactStack) {
LOGGER.trace(monitor("WRITEUNLOCK", userArtifactStack, albumKey, schemaKey, name, null));
}
/**
* Monitor the user artifact stack.
*
* @param preamble the preamble
* @param userArtifactStack The user stack to print
* @param albumKey the album key
* @param schemaKey the schema key
* @param name the name
* @param value the value
* @return the string
*/
private String monitor(final String preamble, final AxConcept[] userArtifactStack, final AxArtifactKey albumKey,
final AxArtifactKey schemaKey, final String name, final Object value) {
final StringBuilder builder = new StringBuilder();
builder.append(preamble);
builder.append(",[");
if (userArtifactStack != null) {
boolean first = true;
for (final AxConcept stackKey : userArtifactStack) {
if (first) {
first = false;
} else {
builder.append(',');
}
if (stackKey instanceof AxArtifactKey) {
builder.append(((AxArtifactKey) stackKey).getID());
} else if (stackKey instanceof AxReferenceKey) {
builder.append(((AxReferenceKey) stackKey).getID());
} else {
builder.append(stackKey.toString());
}
}
}
builder.append("],");
builder.append(albumKey.getID());
builder.append(',');
builder.append(schemaKey.getID());
builder.append(',');
builder.append(name);
if (value != null) {
builder.append(',');
builder.append(value.toString());
}
return builder.toString();
}
}
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