diff options
Diffstat (limited to 'framework/src/onos/core/api/src/main/java/org/onosproject/store/service/DatabaseUpdate.java')
| -rw-r--r-- | framework/src/onos/core/api/src/main/java/org/onosproject/store/service/DatabaseUpdate.java | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/framework/src/onos/core/api/src/main/java/org/onosproject/store/service/DatabaseUpdate.java b/framework/src/onos/core/api/src/main/java/org/onosproject/store/service/DatabaseUpdate.java deleted file mode 100644 index a62d3823..00000000 --- a/framework/src/onos/core/api/src/main/java/org/onosproject/store/service/DatabaseUpdate.java +++ /dev/null @@ -1,220 +0,0 @@ -/* - * Copyright 2015 Open Networking Laboratory - * - * 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.onosproject.store.service; - -import static com.google.common.base.Preconditions.checkArgument; -import static com.google.common.base.Preconditions.checkNotNull; -import static com.google.common.base.Preconditions.checkState; - -import com.google.common.base.MoreObjects; - -/** - * Database update operation. - * - */ -public final class DatabaseUpdate { - - /** - * Type of database update operation. - */ - public enum Type { - /** - * Insert/Update entry without any checks. - */ - PUT, - /** - * Insert an entry iff there is no existing entry for that key. - */ - PUT_IF_ABSENT, - - /** - * Update entry if the current version matches specified version. - */ - PUT_IF_VERSION_MATCH, - - /** - * Update entry if the current value matches specified value. - */ - PUT_IF_VALUE_MATCH, - - /** - * Remove entry without any checks. - */ - REMOVE, - - /** - * Remove entry if the current version matches specified version. - */ - REMOVE_IF_VERSION_MATCH, - - /** - * Remove entry if the current value matches specified value. - */ - REMOVE_IF_VALUE_MATCH, - } - - private Type type; - private String mapName; - private String key; - private byte[] value; - private byte[] currentValue; - private long currentVersion = -1; - - /** - * Returns the type of update operation. - * @return type of update. - */ - public Type type() { - return type; - } - - /** - * Returns the name of map being updated. - * @return map name. - */ - public String mapName() { - return mapName; - } - - /** - * Returns the item key being updated. - * @return item key - */ - public String key() { - return key; - } - - /** - * Returns the new value. - * @return item's target value. - */ - public byte[] value() { - return value; - } - - /** - * Returns the expected current value in the database value for the key. - * @return current value in database. - */ - public byte[] currentValue() { - return currentValue; - } - - /** - * Returns the expected current version in the database for the key. - * @return expected version. - */ - public long currentVersion() { - return currentVersion; - } - - @Override - public String toString() { - return MoreObjects.toStringHelper(this) - .add("type", type) - .add("mapName", mapName) - .add("key", key) - .add("value", value) - .add("currentValue", currentValue) - .add("currentVersion", currentVersion) - .toString(); - } - - /** - * Creates a new builder instance. - * - * @return builder. - */ - public static Builder newBuilder() { - return new Builder(); - } - - /** - * DatabaseUpdate builder. - * - */ - public static final class Builder { - - private DatabaseUpdate update = new DatabaseUpdate(); - - public DatabaseUpdate build() { - validateInputs(); - return update; - } - - public Builder withType(Type type) { - update.type = checkNotNull(type, "type cannot be null"); - return this; - } - - public Builder withMapName(String mapName) { - update.mapName = checkNotNull(mapName, "mapName cannot be null"); - return this; - } - - public Builder withKey(String key) { - update.key = checkNotNull(key, "key cannot be null"); - return this; - } - - public Builder withCurrentValue(byte[] value) { - update.currentValue = checkNotNull(value, "currentValue cannot be null"); - return this; - } - - public Builder withValue(byte[] value) { - update.value = checkNotNull(value, "value cannot be null"); - return this; - } - - public Builder withCurrentVersion(long version) { - checkArgument(version >= 0, "version cannot be negative"); - update.currentVersion = version; - return this; - } - - private void validateInputs() { - checkNotNull(update.type, "type must be specified"); - checkNotNull(update.mapName, "map name must be specified"); - checkNotNull(update.key, "key must be specified"); - switch (update.type) { - case PUT: - case PUT_IF_ABSENT: - checkNotNull(update.value, "value must be specified."); - break; - case PUT_IF_VERSION_MATCH: - checkNotNull(update.value, "value must be specified."); - checkState(update.currentVersion >= 0, "current version must be specified"); - break; - case PUT_IF_VALUE_MATCH: - checkNotNull(update.value, "value must be specified."); - checkNotNull(update.currentValue, "currentValue must be specified."); - break; - case REMOVE: - break; - case REMOVE_IF_VERSION_MATCH: - checkState(update.currentVersion >= 0, "current version must be specified"); - break; - case REMOVE_IF_VALUE_MATCH: - checkNotNull(update.currentValue, "currentValue must be specified."); - break; - default: - throw new IllegalStateException("Unknown operation type"); - } - } - } -} |