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The code in this module is not explicitly related to clustering, but rather contains resuable code used by clustering modules
and any modules that integrate with clustering.
/*
* JBoss, Home of Professional Open Source.
* Copyright 2014, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.clustering.controller;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.jboss.as.controller.OperationDefinition;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import org.jboss.as.controller.operations.common.Util;
import org.jboss.as.controller.operations.global.ListOperations;
import org.jboss.as.controller.operations.global.MapOperations;
import org.jboss.dmr.ModelNode;
/**
* Utility methods for creating/manipulating management operations.
* @author Paul Ferraro
*/
public final class Operations {
private static final String INDEX = "index";
private static final String KEY = "key";
/**
* Returns the address of the specified operation
* @param operation an operation
* @return a path address
*/
public static PathAddress getPathAddress(ModelNode operation) {
return PathAddress.pathAddress(operation.require(ModelDescriptionConstants.OP_ADDR));
}
/**
* Sets the address of the specified operation.
* @param operation an operation
* @param address a path address
*/
public static void setPathAddress(ModelNode operation, PathAddress address) {
operation.get(ModelDescriptionConstants.OP_ADDR).set(address.toModelNode());
}
/**
* Returns the name of the specified operation
* @param operation an operation
* @return an operation name
*/
public static String getName(ModelNode operation) {
return operation.require(ModelDescriptionConstants.OP).asString();
}
/**
* Returns the attribute name of the specified operation
* @param operation an operation
* @return an attribute name
*/
public static String getAttributeName(ModelNode operation) {
return operation.require(ModelDescriptionConstants.NAME).asString();
}
/**
* Returns the attribute value of the specified operation
* @param operation an operation
* @return an attribute value
*/
public static ModelNode getAttributeValue(ModelNode operation) {
return operation.hasDefined(ModelDescriptionConstants.VALUE) ? operation.get(ModelDescriptionConstants.VALUE) : new ModelNode();
}
/**
* Indicates whether or not this operation expects to include default values.
* @param operation an operation
* @return true, if default values are expected, false otherwise.
*/
public static boolean isIncludeDefaults(ModelNode operation) {
return operation.hasDefined(ModelDescriptionConstants.INCLUDE_DEFAULTS) ? operation.get(ModelDescriptionConstants.INCLUDE_DEFAULTS).asBoolean() : true;
}
/**
* Creates a composite operation using the specified operation steps.
* @param operations steps
* @return a composite operation
*/
public static ModelNode createCompositeOperation(List operations) {
ModelNode operation = Util.createOperation(ModelDescriptionConstants.COMPOSITE, PathAddress.EMPTY_ADDRESS);
ModelNode steps = operation.get(ModelDescriptionConstants.STEPS);
for (ModelNode step: operations) {
steps.add(step);
}
return operation;
}
/**
* Creates a composite operation using the specified operation steps.
* @param operations steps
* @return a composite operation
*/
public static ModelNode createCompositeOperation(ModelNode... operations) {
return createCompositeOperation(Arrays.asList(operations));
}
/**
* Creates an add operation using the specified address and parameters
* @param address a path address
* @param parameters a map of values per attribute
* @return an add operation
*/
public static ModelNode createAddOperation(PathAddress address, Map parameters) {
ModelNode operation = Util.createAddOperation(address);
for (Map.Entry entry : parameters.entrySet()) {
operation.get(entry.getKey().getName()).set(entry.getValue());
}
return operation;
}
/**
* Creates an indexed add operation using the specified address and index
* @param address a path address
* @param index
* @return an add operation
*/
public static ModelNode createAddOperation(PathAddress address, int index) {
return createAddOperation(address, index, Collections.emptyMap());
}
/**
* Creates an indexed add operation using the specified address and parameters
* @param address a path address
* @param parameters a map of values per attribute
* @return an add operation
*/
public static ModelNode createAddOperation(PathAddress address, int index, Map parameters) {
ModelNode operation = Util.createAddOperation(address);
operation.get(ModelDescriptionConstants.ADD_INDEX).set(index);
for (Map.Entry entry : parameters.entrySet()) {
operation.get(entry.getKey().getName()).set(entry.getValue());
}
return operation;
}
/**
* Creates a read-attribute operation using the specified address and name.
* @param address a resource path
* @param attribute an attribute
* @return a read-attribute operation
*/
public static ModelNode createReadAttributeOperation(PathAddress address, Attribute attribute) {
return createAttributeOperation(ModelDescriptionConstants.READ_ATTRIBUTE_OPERATION, address, attribute);
}
/**
* Creates a write-attribute operation using the specified address, name and value.
* @param address a resource path
* @param attribute an attribute
* @param value an attribute value
* @return a write-attribute operation
*/
public static ModelNode createWriteAttributeOperation(PathAddress address, Attribute attribute, ModelNode value) {
ModelNode operation = createAttributeOperation(ModelDescriptionConstants.WRITE_ATTRIBUTE_OPERATION, address, attribute);
operation.get(ModelDescriptionConstants.VALUE).set(value);
return operation;
}
/**
* Creates an undefine-attribute operation using the specified address and name.
* @param address a resource path
* @param attribute an attribute
* @return an undefine-attribute operation
*/
public static ModelNode createUndefineAttributeOperation(PathAddress address, Attribute attribute) {
return createAttributeOperation(ModelDescriptionConstants.UNDEFINE_ATTRIBUTE_OPERATION, address, attribute);
}
private static ModelNode createAttributeOperation(String operationName, PathAddress address, Attribute attribute) {
ModelNode operation = Util.createOperation(operationName, address);
operation.get(ModelDescriptionConstants.NAME).set(attribute.getName());
return operation;
}
/**
* Creates a describe operation using the specified address.
* @param address a resource path
* @return a describe operation
*/
public static ModelNode createDescribeOperation(PathAddress address) {
return Util.createOperation(ModelDescriptionConstants.DESCRIBE, address);
}
public static ModelNode createReadResourceOperation(PathAddress address) {
return Util.createOperation(ModelDescriptionConstants.READ_RESOURCE_OPERATION, address);
}
public static ModelNode createListAddOperation(PathAddress address, Attribute attribute, String value) {
return createListElementOperation(ListOperations.LIST_ADD_DEFINITION, address, attribute, value);
}
public static ModelNode createListRemoveOperation(PathAddress address, Attribute attribute, String value) {
return createListElementOperation(ListOperations.LIST_REMOVE_DEFINITION, address, attribute, value);
}
public static ModelNode createListRemoveOperation(PathAddress address, Attribute attribute, int index) {
return createListElementOperation(ListOperations.LIST_REMOVE_DEFINITION, address, attribute, index);
}
public static ModelNode createListGetOperation(PathAddress address, Attribute attribute, int index) {
return createListElementOperation(ListOperations.LIST_GET_DEFINITION, address, attribute, index);
}
private static ModelNode createListElementOperation(OperationDefinition definition, PathAddress address, Attribute attribute, String value) {
ModelNode operation = createAttributeOperation(definition.getName(), address, attribute);
operation.get(ModelDescriptionConstants.VALUE).set(value);
return operation;
}
private static ModelNode createListElementOperation(OperationDefinition definition, PathAddress address, Attribute attribute, int index) {
ModelNode operation = createAttributeOperation(definition.getName(), address, attribute);
operation.get(INDEX).set(new ModelNode(index));
return operation;
}
public static ModelNode createMapGetOperation(PathAddress address, Attribute attribute, String key) {
return createMapEntryOperation(MapOperations.MAP_GET_DEFINITION, address, attribute, key);
}
public static ModelNode createMapPutOperation(PathAddress address, Attribute attribute, String key, String value) {
ModelNode operation = createMapEntryOperation(MapOperations.MAP_PUT_DEFINITION, address, attribute, key);
operation.get(ModelDescriptionConstants.VALUE).set(value);
return operation;
}
public static ModelNode createMapRemoveOperation(PathAddress address, Attribute attribute, String key) {
return createMapEntryOperation(MapOperations.MAP_REMOVE_DEFINITION, address, attribute, key);
}
public static ModelNode createMapClearOperation(PathAddress address, Attribute attribute) {
ModelNode operation = Util.createOperation(MapOperations.MAP_CLEAR_DEFINITION, address);
operation.get(ModelDescriptionConstants.NAME).set(attribute.getName());
return operation;
}
private static ModelNode createMapEntryOperation(OperationDefinition definition, PathAddress address, Attribute attribute, String key) {
ModelNode operation = createAttributeOperation(definition.getName(), address, attribute);
operation.get(KEY).set(key);
return operation;
}
/**
* @return set of all operations that are or do result in a write
*/
public static Set getAllWriteAttributeOperationNames() {
Set writeAttributeOperations = new HashSet<>();
writeAttributeOperations.addAll(MapOperations.MAP_OPERATION_NAMES);
writeAttributeOperations.remove(MapOperations.MAP_GET_DEFINITION.getName());
writeAttributeOperations.add(ModelDescriptionConstants.WRITE_ATTRIBUTE_OPERATION);
writeAttributeOperations.add(ModelDescriptionConstants.UNDEFINE_ATTRIBUTE_OPERATION);
return writeAttributeOperations;
}
private Operations() {
// Hide
}
}