/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.isis.core.metamodel.adapter.oid;
import java.io.IOException;
import java.io.Serializable;
import com.google.common.base.Objects;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.isis.applib.services.bookmark.Bookmark;
import org.apache.isis.core.commons.encoding.DataInputExtended;
import org.apache.isis.core.commons.encoding.DataOutputExtended;
import org.apache.isis.core.commons.url.UrlEncodingUtils;
import org.apache.isis.core.metamodel.adapter.version.Version;
import org.apache.isis.core.metamodel.spec.ObjectSpecId;
import org.apache.isis.schema.common.v1.BookmarkObjectState;
import org.apache.isis.schema.common.v1.OidDto;
public class RootOid implements TypedOid, Serializable {
//region > fields
private final static Logger LOG = LoggerFactory.getLogger(RootOid.class);
private static final long serialVersionUID = 1L;
private final static OidMarshaller OID_MARSHALLER = OidMarshaller.INSTANCE;
private final ObjectSpecId objectSpecId;
private final String identifier;
private final State state;
// not part of equality check
private Version version;
private int cachedHashCode;
//endregion
//region > Constructor, factory methods
public static RootOid createTransient(final ObjectSpecId objectSpecId, final String identifier) {
return new RootOid(objectSpecId, identifier, State.TRANSIENT);
}
public static RootOid create(final Bookmark bookmark) {
return new RootOid(ObjectSpecId.of(bookmark.getObjectType()), bookmark.getIdentifier(), State.from(bookmark));
}
public static RootOid create(final ObjectSpecId objectSpecId, final String identifier) {
return create(objectSpecId, identifier, null);
}
public static RootOid create(final ObjectSpecId objectSpecId, final String identifier, final Long versionSequence) {
return create(objectSpecId, identifier, versionSequence, null, null);
}
public static RootOid create(final ObjectSpecId objectSpecId, final String identifier, final Long versionSequence, final String versionUser) {
return create(objectSpecId, identifier, versionSequence, versionUser, null);
}
public static RootOid create(final ObjectSpecId objectSpecId, final String identifier, final Long versionSequence, final Long versionUtcTimestamp) {
return create(objectSpecId, identifier, versionSequence, null, versionUtcTimestamp);
}
public static RootOid create(final ObjectSpecId objectSpecId, final String identifier, final Long versionSequence, final String versionUser, final Long versionUtcTimestamp) {
return new RootOid(objectSpecId, identifier, State.PERSISTENT, Version.create(versionSequence,
versionUser, versionUtcTimestamp));
}
public RootOid(final ObjectSpecId objectSpecId, final String identifier, final State state) {
this(objectSpecId, identifier, state, (Version)null);
}
public RootOid(final ObjectSpecId objectSpecId, final String identifier, final State state, final Long versionSequence) {
this(objectSpecId, identifier, state, versionSequence, null, null);
}
/**
* If specify version sequence, can optionally specify the user that changed the object. This is used for informational purposes only.
*/
public RootOid(final ObjectSpecId objectSpecId, final String identifier, final State state, final Long versionSequence, final String versionUser) {
this(objectSpecId, identifier, state, versionSequence, versionUser, null);
}
/**
* If specify version sequence, can optionally specify utc timestamp that the oid was changed. This is used for informational purposes only.
*/
public RootOid(final ObjectSpecId objectSpecId, final String identifier, final State state, final Long versionSequence, final Long versionUtcTimestamp) {
this(objectSpecId, identifier, state, versionSequence, null, versionUtcTimestamp);
}
/**
* If specify version sequence, can optionally specify user and/or utc timestamp that the oid was changed. This is used for informational purposes only.
*/
public RootOid(final ObjectSpecId objectSpecId, final String identifier, final State state, final Long versionSequence, final String versionUser, final Long versionUtcTimestamp) {
this(objectSpecId, identifier, state, Version.create(versionSequence, versionUser, versionUtcTimestamp));
}
public RootOid(final ObjectSpecId objectSpecId, final String identifier, final State state, final Version version) {
assert objectSpecId != null;
assert identifier != null;
// too slow...
// Ensure.ensureThatArg(identifier, is(not(IsisMatchers.contains("#"))), "identifier '" + identifier + "' contains a '#' symbol");
// Ensure.ensureThatArg(identifier, is(not(IsisMatchers.contains("@"))), "identifier '" + identifier + "' contains an '@' symbol");
assert state != null;
this.objectSpecId = objectSpecId;
this.identifier = identifier;
this.state = state;
this.version = version;
initialized();
}
private void initialized() {
cacheState();
}
//endregion
//region > Encodeable
public RootOid(final DataInputExtended input) throws IOException {
final String oidStr = input.readUTF();
final RootOid oid = OID_MARSHALLER.unmarshal(oidStr, RootOid.class);
this.objectSpecId = oid.objectSpecId;
this.identifier = oid.identifier;
this.state = oid.state;
this.version = oid.version;
cacheState();
}
@Override
public void encode(final DataOutputExtended output) throws IOException {
output.writeUTF(enString());
}
//endregion
//region > deString'able, enString
public static RootOid deStringEncoded(final String urlEncodedOidStr) {
final String oidStr = UrlEncodingUtils.urlDecode(urlEncodedOidStr);
return deString(oidStr);
}
public static RootOid deString(final String oidStr) {
return OID_MARSHALLER.unmarshal(oidStr, RootOid.class);
}
@Override
public String enString() {
return OID_MARSHALLER.marshal(this);
}
@Override
public String enStringNoVersion() {
return OID_MARSHALLER.marshalNoVersion(this);
}
//endregion
//region > Properties
public ObjectSpecId getObjectSpecId() {
return objectSpecId;
}
public String getIdentifier() {
return identifier;
}
@Override
public boolean isTransient() {
return state.isTransient();
}
@Override
public boolean isViewModel() {
return state.isViewModel();
}
@Override
public boolean isPersistent() {
return state.isPersistent();
}
//endregion
//region > Version
public Version getVersion() {
return version;
}
@Override
public void setVersion(final Version version) {
this.version = version;
}
//endregion
//region > asBookmark, asOidDto
public Bookmark asBookmark() {
final String objectType = state.asBookmarkObjectState().getCode() + getObjectSpecId().asString();
final String identifier = getIdentifier();
return new Bookmark(objectType, identifier);
}
public OidDto asOidDto() {
final OidDto oidDto = new OidDto();
oidDto.setType(getObjectSpecId().asString());
oidDto.setId(getIdentifier());
final Bookmark.ObjectState objectState = state.asBookmarkObjectState();
final BookmarkObjectState bookmarkState = objectState.toBookmarkState();
// persistent is assumed if not specified...
oidDto.setObjectState(
bookmarkState != BookmarkObjectState.PERSISTENT ? bookmarkState : null);
return oidDto;
}
//endregion
//region > equals, hashCode
private void cacheState() {
cachedHashCode = 17;
cachedHashCode = 37 * cachedHashCode + objectSpecId.hashCode();
cachedHashCode = 37 * cachedHashCode + identifier.hashCode();
cachedHashCode = 37 * cachedHashCode + (isTransient() ? 0 : 1);
}
@Override
public boolean equals(final Object other) {
if (other == null) {
return false;
}
if (other == this) {
return true;
}
if (getClass() != other.getClass()) {
return false;
}
return equals((RootOid) other);
}
public boolean equals(final RootOid other) {
return Objects.equal(objectSpecId, other.getObjectSpecId()) && Objects.equal(identifier, other.getIdentifier()) && Objects.equal(isTransient(), other.isTransient());
}
@Override
public int hashCode() {
return cachedHashCode;
}
//endregion
//region > toString
@Override
public String toString() {
return enString();
}
//endregion
}