/* 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 org.camunda.bpm.engine.impl.cmmn;
import static org.camunda.bpm.engine.impl.util.EnsureUtil.ensureNotNull;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Map;
import org.camunda.bpm.engine.exception.NotAllowedException;
import org.camunda.bpm.engine.exception.NotFoundException;
import org.camunda.bpm.engine.exception.NotValidException;
import org.camunda.bpm.engine.exception.NullValueException;
import org.camunda.bpm.engine.exception.cmmn.CaseDefinitionNotFoundException;
import org.camunda.bpm.engine.exception.cmmn.CaseExecutionNotFoundException;
import org.camunda.bpm.engine.exception.cmmn.CaseIllegalStateTransitionException;
import org.camunda.bpm.engine.impl.cmmn.cmd.CaseExecutionVariableCmd;
import org.camunda.bpm.engine.impl.cmmn.cmd.CloseCaseInstanceCmd;
import org.camunda.bpm.engine.impl.cmmn.cmd.CompleteCaseExecutionCmd;
import org.camunda.bpm.engine.impl.cmmn.cmd.DisableCaseExecutionCmd;
import org.camunda.bpm.engine.impl.cmmn.cmd.ManualStartCaseExecutionCmd;
import org.camunda.bpm.engine.impl.cmmn.cmd.ReenableCaseExecutionCmd;
import org.camunda.bpm.engine.impl.core.variable.VariableMapImpl;
import org.camunda.bpm.engine.impl.interceptor.Command;
import org.camunda.bpm.engine.impl.interceptor.CommandContext;
import org.camunda.bpm.engine.impl.interceptor.CommandExecutor;
import org.camunda.bpm.engine.runtime.CaseExecutionCommandBuilder;
import org.camunda.bpm.engine.variable.VariableMap;
/**
* @author Roman Smirnov
*
*/
public class CaseExecutionCommandBuilderImpl implements CaseExecutionCommandBuilder {
protected CommandExecutor commandExecutor;
protected CommandContext commandContext;
protected String caseExecutionId;
protected VariableMapImpl variables;
protected VariableMapImpl variablesLocal;
protected Collection<String> variableDeletions;
protected Collection<String> variableLocalDeletions;
public CaseExecutionCommandBuilderImpl(CommandExecutor commandExecutor, String caseExecutionId) {
this(caseExecutionId);
ensureNotNull("commandExecutor", commandExecutor);
this.commandExecutor = commandExecutor;
}
public CaseExecutionCommandBuilderImpl(CommandContext commandContext, String caseExecutionId) {
this(caseExecutionId);
ensureNotNull("commandContext", commandContext);
this.commandContext = commandContext;
}
private CaseExecutionCommandBuilderImpl(String caseExecutionId) {
this.caseExecutionId = caseExecutionId;
}
public CaseExecutionCommandBuilder setVariable(String variableName, Object variableValue) {
ensureNotNull(NotValidException.class, "variableName", variableName);
ensureVariableShouldNotBeRemoved(variableName);
ensureVariablesInitialized();
variables.put(variableName, variableValue);
return this;
}
public CaseExecutionCommandBuilder setVariables(Map<String, Object> variables) {
if (variables != null) {
ensureVariablesShouldNotBeRemoved(variables.keySet());
ensureVariablesInitialized();
this.variables.putAll(variables);
}
return this;
}
public CaseExecutionCommandBuilder setVariableLocal(String localVariableName, Object localVariableValue) {
ensureNotNull(NotValidException.class, "localVariableName", localVariableName);
ensureVariableShouldNotBeRemoved(localVariableName);
ensureVariablesLocalInitialized();
variablesLocal.put(localVariableName, localVariableValue);
return this;
}
public CaseExecutionCommandBuilder setVariablesLocal(Map<String, Object> variablesLocal) {
if (variablesLocal != null) {
ensureVariablesShouldNotBeRemoved(variablesLocal.keySet());
ensureVariablesLocalInitialized();
this.variablesLocal.putAll(variablesLocal);
}
return this;
}
public CaseExecutionCommandBuilder removeVariable(String variableName) {
ensureNotNull(NotValidException.class, "variableName", variableName);
ensureVariableShouldNotBeSet(variableName);
ensureVariableDeletionsInitialized();
variableDeletions.add(variableName);
return this;
}
public CaseExecutionCommandBuilder removeVariables(Collection<String> variableNames) {
if (variableNames != null) {
ensureVariablesShouldNotBeSet(variableNames);
ensureVariableDeletionsInitialized();
variableDeletions.addAll(variableNames);
}
return this;
}
public CaseExecutionCommandBuilder removeVariableLocal(String variableName) {
ensureNotNull(NotValidException.class, "localVariableName", variableName);
ensureVariableShouldNotBeSet(variableName);
ensureVariableDeletionsLocalInitialized();
variableLocalDeletions.add(variableName);
return this;
}
public CaseExecutionCommandBuilder removeVariablesLocal(Collection<String> variableNames) {
if (variableNames != null) {
ensureVariablesShouldNotBeSet(variableNames);
ensureVariableDeletionsLocalInitialized();
variableLocalDeletions.addAll(variableNames);
}
return this;
}
protected void ensureVariablesShouldNotBeRemoved(Collection<String> variableNames) {
for (String variableName : variableNames) {
ensureVariableShouldNotBeRemoved(variableName);
}
}
protected void ensureVariableShouldNotBeRemoved(String variableName) {
if ((variableDeletions != null && variableDeletions.contains(variableName))
|| (variableLocalDeletions != null && variableLocalDeletions.contains(variableName))) {
throw new NotValidException("Cannot set and remove a variable with the same variable name: '"+variableName+"' within a command.");
}
}
protected void ensureVariablesShouldNotBeSet(Collection<String> variableNames) {
for (String variableName : variableNames) {
ensureVariableShouldNotBeSet(variableName);
}
}
protected void ensureVariableShouldNotBeSet(String variableName) {
if ((variables != null && variables.keySet().contains(variableName))
|| (variablesLocal != null && variablesLocal.keySet().contains(variableName))) {
throw new NotValidException("Cannot set and remove a variable with the same variable name: '"+variableName+"' within a command.");
}
}
protected void ensureVariablesInitialized() {
if (this.variables == null) {
this.variables = new VariableMapImpl();
}
}
protected void ensureVariablesLocalInitialized() {
if (this.variablesLocal == null) {
this.variablesLocal = new VariableMapImpl();
}
}
protected void ensureVariableDeletionsInitialized() {
if (variableDeletions == null) {
variableDeletions = new ArrayList<String>();
}
}
protected void ensureVariableDeletionsLocalInitialized() {
if (variableLocalDeletions == null) {
variableLocalDeletions = new ArrayList<String>();
}
}
public void execute() {
CaseExecutionVariableCmd command = new CaseExecutionVariableCmd(this);
executeCommand(command);
}
public void manualStart() {
ManualStartCaseExecutionCmd command = new ManualStartCaseExecutionCmd(this);
executeCommand(command);
}
public void disable() {
DisableCaseExecutionCmd command = new DisableCaseExecutionCmd(this);
executeCommand(command);
}
public void reenable() {
ReenableCaseExecutionCmd command = new ReenableCaseExecutionCmd(this);
executeCommand(command);
}
public void complete() {
CompleteCaseExecutionCmd command = new CompleteCaseExecutionCmd(this);
executeCommand(command);
}
public void close() {
CloseCaseInstanceCmd command = new CloseCaseInstanceCmd(this);
executeCommand(command);
}
protected void executeCommand(Command<?> command) {
try {
if(commandExecutor != null) {
commandExecutor.execute(command);
} else {
command.execute(commandContext);
}
} catch (NullValueException e) {
throw new NotValidException(e.getMessage(), e);
} catch (CaseExecutionNotFoundException e) {
throw new NotFoundException(e.getMessage(), e);
} catch (CaseDefinitionNotFoundException e) {
throw new NotFoundException(e.getMessage(), e);
} catch (CaseIllegalStateTransitionException e) {
throw new NotAllowedException(e.getMessage(), e);
}
}
// getters ////////////////////////////////////////////////////////////////////////////////
public String getCaseExecutionId() {
return caseExecutionId;
}
public VariableMap getVariables() {
return variables;
}
public VariableMap getVariablesLocal() {
return variablesLocal;
}
public Collection<String> getVariableDeletions() {
return variableDeletions;
}
public Collection<String> getVariableLocalDeletions() {
return variableLocalDeletions;
}
}