diff options
Diffstat (limited to 'framework/src/onos/core/api/src/main/java/org/onosproject/net/flow/BatchOperation.java')
-rw-r--r-- | framework/src/onos/core/api/src/main/java/org/onosproject/net/flow/BatchOperation.java | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/framework/src/onos/core/api/src/main/java/org/onosproject/net/flow/BatchOperation.java b/framework/src/onos/core/api/src/main/java/org/onosproject/net/flow/BatchOperation.java new file mode 100644 index 00000000..09e34d88 --- /dev/null +++ b/framework/src/onos/core/api/src/main/java/org/onosproject/net/flow/BatchOperation.java @@ -0,0 +1,128 @@ +/* + * Copyright 2014 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.net.flow; + +import java.util.Collection; +import java.util.Collections; +import java.util.LinkedList; +import java.util.List; + +import static com.google.common.base.Preconditions.checkNotNull; + +/** + * A list of BatchOperationEntry. + * + * @param <T> the enum of operators <br> + * This enum must be defined in each sub-classes. + */ +public abstract class BatchOperation<T extends BatchOperationEntry<?, ?>> { + + private final List<T> ops; + + /** + * Creates new {@link BatchOperation} object. + */ + public BatchOperation() { + ops = new LinkedList<>(); + } + + /** + * Creates {@link BatchOperation} object from a list of batch operation + * entries. + * + * @param batchOperations the list of batch operation entries. + */ + public BatchOperation(Collection<T> batchOperations) { + ops = new LinkedList<>(checkNotNull(batchOperations)); + } + + /** + * Removes all operations maintained in this object. + */ + public void clear() { + ops.clear(); + } + + /** + * Returns the number of operations in this object. + * + * @return the number of operations in this object + */ + public int size() { + return ops.size(); + } + + /** + * Returns the operations in this object. + * + * @return the operations in this object + */ + public List<T> getOperations() { + return Collections.unmodifiableList(ops); + } + + /** + * Adds an operation. + * FIXME: Brian promises that the Intent Framework + * will not modify the batch operation after it has submitted it. + * Ali would prefer immutablity, but trusts brian for better or + * for worse. + * + * @param entry the operation to be added + * @return this object if succeeded, null otherwise + */ + public BatchOperation<T> addOperation(T entry) { + return ops.add(entry) ? this : null; + } + + /** + * Add all operations from another batch to this batch. + * + * @param another another batch + * @return true if success + */ + public boolean addAll(BatchOperation<T> another) { + return ops.addAll(another.getOperations()); + } + + @Override + public boolean equals(Object o) { + if (this == o) { + return true; + } + + if (o == null) { + return false; + } + + if (getClass() != o.getClass()) { + return false; + } + BatchOperation<?> other = (BatchOperation<?>) o; + + return this.ops.equals(other.ops); + } + + @Override + public int hashCode() { + return ops.hashCode(); + } + + @Override + public String toString() { + return ops.toString(); + } +} |