/
AssignmentPathImpl.java
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/
AssignmentPathImpl.java
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/*
* Copyright (c) 2010-2017 Evolveum
*
* 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.evolveum.midpoint.model.impl.lens;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
import javax.xml.namespace.QName;
import com.evolveum.midpoint.model.api.context.AssignmentPath;
import com.evolveum.midpoint.model.api.context.AssignmentPathSegment;
import com.evolveum.midpoint.model.api.util.AssignmentPathUtil;
import com.evolveum.midpoint.prism.PrismContext;
import com.evolveum.midpoint.util.DebugUtil;
import com.evolveum.midpoint.util.exception.SchemaException;
import com.evolveum.midpoint.xml.ns._public.common.common_3.AssignmentPathType;
import com.evolveum.midpoint.xml.ns._public.common.common_3.ExtensionType;
import com.evolveum.midpoint.xml.ns._public.common.common_3.ObjectType;
import com.evolveum.midpoint.xml.ns._public.common.common_3.OrderConstraintsType;
import org.jetbrains.annotations.NotNull;
/**
* @author semancik
*
*/
public class AssignmentPathImpl implements AssignmentPath {
@NotNull private final List<AssignmentPathSegmentImpl> segments = new ArrayList<>();
@NotNull private final PrismContext prismContext;
public AssignmentPathImpl(PrismContext prismContext) {
this.prismContext = prismContext;
}
@NotNull
@Override
public List<AssignmentPathSegmentImpl> getSegments() {
return segments;
}
@Override
public AssignmentPathSegment getSegment(int index) {
if (index >= 0) {
return segments.get(index);
} else {
return segments.get(segments.size() - index);
}
}
public void add(AssignmentPathSegmentImpl segment) {
segments.add(segment);
}
public void removeLast(AssignmentPathSegmentImpl segment) {
AssignmentPathSegmentImpl last = last();
if (last == null) {
throw new IllegalStateException("Attempt to remove segment from empty path: " + this + "; segment=" + segment);
} else if (!last.equals(segment)) {
throw new IllegalStateException("Attempt to remove wrong segment from the end of path: " + this + "; segment=" + segment);
} else {
segments.remove(segments.size() - 1);
}
}
@Override
public AssignmentPathSegmentImpl first() {
return segments.get(0);
}
@Override
public boolean isEmpty() {
return segments.isEmpty();
}
@Override
public int size() { return segments.size(); }
// @Override
// public EvaluationOrder getEvaluationOrder() {
// if (isEmpty()) {
// return EvaluationOrderImpl.ZERO;
// } else {
// return last().getEvaluationOrder();
// }
// }
@Override
public AssignmentPathSegmentImpl last() {
return beforeLast(0);
}
@Override
public AssignmentPathSegmentImpl beforeLast(int n) {
if (size() <= n) {
return null;
} else {
return segments.get(segments.size()-1-n);
}
}
@Override
public int countTargetOccurrences(ObjectType target) {
if (target == null) {
return 0;
}
int count = 0;
for (AssignmentPathSegment segment: segments) {
ObjectType segmentTarget = segment.getTarget();
if (segmentTarget != null) {
if (segmentTarget.getOid() != null && target.getOid() != null && segmentTarget.getOid().equals(target.getOid())
|| segmentTarget.getOid() == null && target.getOid() == null && segmentTarget.equals(target)) {
count++;
}
}
}
return count;
}
@NotNull
@Override
public List<ObjectType> getFirstOrderChain() {
return segments.stream()
.filter(seg -> seg.isMatchingOrder() && seg.getTarget() != null)
.map(seg -> seg.getTarget())
.collect(Collectors.toList());
}
@Override
public ObjectType getProtoRole() {
ObjectType protoRole = null;
for (AssignmentPathSegmentImpl segment: segments) {
if (segment.isMatchingOrder() && segment.getTarget() != null) {
protoRole = segment.getTarget();
}
}
return protoRole;
}
@Override
public AssignmentPathImpl clone() {
return cloneFirst(size());
}
@Override
public AssignmentPathImpl cloneFirst(int n) {
AssignmentPathImpl clone = new AssignmentPathImpl(prismContext);
clone.segments.addAll(this.segments.subList(0, n));
return clone;
}
@Override
public String toString() {
return "AssignmentPath(" + segments + ")";
}
@Override
public String debugDump() {
return debugDump(0);
}
@Override
public String debugDump(int indent) {
StringBuilder sb = new StringBuilder();
DebugUtil.debugDumpLabel(sb, "AssignmentPath", indent);
if (segments.isEmpty()) {
sb.append(" (empty)");
} else {
sb.append(" (").append(segments.size()).append(")");
if (DebugUtil.isDetailedDebugDump()) {
sb.append("\n");
DebugUtil.debugDump(sb, segments, indent + 1, false);
} else {
for (AssignmentPathSegmentImpl segment: segments) {
sb.append("\n");
DebugUtil.indentDebugDump(sb, indent + 1);
segment.shortDump(sb);
}
}
}
return sb.toString();
}
@Override
public void shortDump(StringBuilder sb) {
ObjectType previousTarget = null;
for (AssignmentPathSegmentImpl segment: segments) {
if (previousTarget == null) {
sb.append(segment.getSource()).append(" ");
}
// sb.append("(");
// segment.getEvaluationOrder().shortDump(sb);
// sb.append("): ");
ObjectType target = segment.getTarget();
QName relation = segment.getRelation();
if (target != null) {
sb.append("--");
if (segment.isAssignment()) {
sb.append("a");
} else {
sb.append("i");
}
sb.append("[");
if (relation != null) {
sb.append(relation.getLocalPart());
}
sb.append("]--> ");
if (target != null) {
sb.append(target);
}
} else {
if (segment.isAssignment()) {
sb.append("a");
} else {
sb.append("i");
}
sb.append("(no target)");
}
previousTarget = target;
sb.append(" ");
}
}
@Override
public AssignmentPathType toAssignmentPathType(boolean includeAssignmentsContent) {
AssignmentPathType rv = new AssignmentPathType();
segments.forEach(seg -> rv.getSegment().add(seg.toAssignmentPathSegmentType(includeAssignmentsContent)));
return rv;
}
@NotNull
public PrismContext getPrismContext() {
return prismContext;
}
@Override
public ExtensionType collectExtensions(int startAt) throws SchemaException {
return AssignmentPathUtil.collectExtensions(this, startAt, prismContext);
}
@Override
public boolean matches(@NotNull List<OrderConstraintsType> orderConstraints) {
if (isEmpty()) {
throw new UnsupportedOperationException("Checking order constraints on empty assignment path is not currently supported.");
} else {
return last().matches(orderConstraints);
}
}
@Override
public boolean equivalent(AssignmentPath other) {
if (size() != other.size()) {
return false;
}
for (int i = 0; i < segments.size(); i++) {
AssignmentPathSegment segment = segments.get(i);
AssignmentPathSegment otherSegment = other.getSegments().get(i);
if (!segment.equivalent(otherSegment)) {
return false;
}
}
return true;
}
}