/*
* Copyright 2016 Red Hat, Inc. and/or its affiliates.
*
* 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.drools.workbench.services.verifier.plugin.client.builders;
import org.drools.workbench.models.guided.dtable.shared.model.ConditionCol52;
import org.drools.workbench.models.guided.dtable.shared.model.DTCellValue52;
import org.drools.workbench.services.verifier.api.client.checks.util.NullEqualityOperator;
import org.drools.workbench.services.verifier.api.client.configuration.AnalyzerConfiguration;
import org.drools.workbench.services.verifier.api.client.index.Column;
import org.drools.workbench.services.verifier.api.client.index.Condition;
import org.drools.workbench.services.verifier.api.client.index.Field;
import org.drools.workbench.services.verifier.api.client.index.FieldCondition;
import org.drools.workbench.services.verifier.api.client.index.Index;
import org.drools.workbench.services.verifier.api.client.index.Pattern;
import org.drools.workbench.services.verifier.api.client.index.keys.Values;
import org.uberfire.commons.validation.PortablePreconditions;
public class FieldConditionBuilder {
private final BuilderFactory builderFactory;
private final Index index;
private final VerifierColumnUtilities utils;
private final AnalyzerConfiguration configuration;
private Pattern pattern;
private ConditionCol52 conditionCol52;
private DTCellValue52 realCellValue;
private int columnIndex;
public FieldConditionBuilder( final BuilderFactory builderFactory,
final Index index,
final VerifierColumnUtilities utils,
final AnalyzerConfiguration configuration ) {
this.builderFactory = PortablePreconditions.checkNotNull( "builderFactory",
builderFactory );
this.index = PortablePreconditions.checkNotNull( "index",
index );
this.utils = PortablePreconditions.checkNotNull( "utils",
utils );
this.configuration = PortablePreconditions.checkNotNull( "configuration",
configuration );
}
public Condition build() throws
BuildException {
PortablePreconditions.checkNotNull( "conditionCol52",
conditionCol52 );
PortablePreconditions.checkNotNull( "columnIndex",
columnIndex );
try {
final Field field = resolveField();
final Condition condition = buildCondition( field );
field.getConditions()
.add( condition );
return condition;
} catch ( final BuildException buildException ) {
throw buildException;
} catch ( final Exception e ) {
throw new BuildException( "Failed to build " + pattern.getName() + " # " + ToString.toString( conditionCol52 ) );
}
}
private Field resolveField() throws
BuildException {
try {
return builderFactory.getFieldResolver()
.with( pattern )
.with( columnIndex )
.with( conditionCol52 )
.resolve();
} catch ( final Exception e ) {
throw new BuildException( "Failed to resolve field " + pattern.getName() + " # " + ToString.toString( conditionCol52 ) );
}
}
private Condition buildCondition( final Field field ) throws
BuildException {
try {
final Column column = getColumn();
return new FieldCondition( field,
column,
resolveOperator( conditionCol52.getOperator() ),
resolveValues( conditionCol52.getOperator() ),
configuration );
} catch ( final BuildException e ) {
throw e;
} catch ( final Exception e ) {
throw new BuildException( "Failed to build FieldCondition " );
}
}
private Values resolveValues( final String operator ) throws
BuildException {
if ( NullEqualityOperator.contains( operator ) ) {
if ( realCellValue.getBooleanValue() != null && realCellValue.getBooleanValue() ) {
return Values.nullValue();
} else {
return new Values();
}
} else {
try {
Values values = new ValuesResolver( utils,
columnIndex,
conditionCol52,
realCellValue ).getValues();
return values;
} catch ( final Exception e ) {
throw new BuildException( "Failed to resolve values:" + ToString.toString( conditionCol52 ) + " " + ToString.toString( realCellValue ) + e.getMessage() );
}
}
}
private String resolveOperator( final String operator ) {
if ( NullEqualityOperator.contains( operator ) ) {
return NullEqualityOperator.resolveOperator( operator );
} else {
return operator;
}
}
private Column getColumn() throws
BuildException {
try {
return index.getColumns()
.where( Column.index()
.is( columnIndex ) )
.select()
.first();
} catch ( final Exception e ) {
throw new BuildException( "Failed to find column " );
}
}
public FieldConditionBuilder with( final Pattern pattern ) {
this.pattern = pattern;
return this;
}
public FieldConditionBuilder with( final ConditionCol52 conditionCol52 ) {
this.conditionCol52 = PortablePreconditions.checkNotNull( "conditionCol52",
conditionCol52 );
return this;
}
public FieldConditionBuilder with( final DTCellValue52 realCellValue ) {
this.realCellValue = realCellValue;
return this;
}
public FieldConditionBuilder with( final int columnIndex ) {
this.columnIndex = columnIndex;
return this;
}
}