diff options
Diffstat (limited to 'java/sca/modules/common-java/src/main/java/org/apache/tuscany/sca/common/java/collection')
4 files changed, 0 insertions, 356 deletions
diff --git a/java/sca/modules/common-java/src/main/java/org/apache/tuscany/sca/common/java/collection/CollectionMap.java b/java/sca/modules/common-java/src/main/java/org/apache/tuscany/sca/common/java/collection/CollectionMap.java deleted file mode 100644 index cc3fb4676d..0000000000 --- a/java/sca/modules/common-java/src/main/java/org/apache/tuscany/sca/common/java/collection/CollectionMap.java +++ /dev/null @@ -1,62 +0,0 @@ -/* - * 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.tuscany.sca.common.java.collection; - -import java.util.ArrayList; -import java.util.Collection; -import java.util.concurrent.ConcurrentHashMap; - -/** - * A Map with Collection values - */ -public class CollectionMap<K, V> extends ConcurrentHashMap<K, Collection<V>> { - private static final long serialVersionUID = -8926174610229029369L; - - public boolean putValue(K key, V value) { - Collection<V> collection = get(key); - if (collection == null) { - collection = createCollection(); - put(key, collection); - } - return collection.add(value); - } - - public boolean putValues(K key, Collection<? extends V> value) { - Collection<V> collection = get(key); - if (collection == null) { - collection = createCollection(); - put(key, collection); - } - return collection.addAll(value); - } - - public boolean removeValue(K key, V value) { - Collection<V> collection = get(key); - if (collection == null) { - return false; - } - return collection.remove(value); - } - - protected Collection<V> createCollection() { - return new ArrayList<V>(); - } - -} diff --git a/java/sca/modules/common-java/src/main/java/org/apache/tuscany/sca/common/java/collection/CompoundEnumeration.java b/java/sca/modules/common-java/src/main/java/org/apache/tuscany/sca/common/java/collection/CompoundEnumeration.java deleted file mode 100644 index dc6a7e0f90..0000000000 --- a/java/sca/modules/common-java/src/main/java/org/apache/tuscany/sca/common/java/collection/CompoundEnumeration.java +++ /dev/null @@ -1,93 +0,0 @@ -/* - * 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.tuscany.sca.common.java.collection; - -import java.util.Enumeration; -import java.util.NoSuchElementException; - -public class CompoundEnumeration<T> implements Enumeration<T> { - private Enumeration<T>[] enumerations = null; - private int index = 0; - - public CompoundEnumeration(Enumeration<T>... enums) { - enumerations = enums; - } - - public boolean hasMoreElements() { - // if the current enum is null that means this enum is finished - if (currentEnumeration() == null) { - // No next enum - return false; - } - // If the current enum has more elements, lets go - return currentEnumeration().hasMoreElements(); - } - - private Enumeration<T> findNextEnumeration(boolean moveCursor) { - return findNextEnumeration(index, moveCursor); - } - - private Enumeration<T> findNextEnumeration(int cursor, boolean moveCursor) { - // next place in the array - int next = cursor + 1; - // If the cursor is still in the array - if (next < enumerations.length) { - - // If there is something in that place - // AND the enum is not empty - if (enumerations[next] != null && enumerations[next].hasMoreElements()) { - // OK - if (moveCursor) { - index = next; - } - return enumerations[next]; - } - // Try next element - return findNextEnumeration(next, moveCursor); - } - // No more elements available - return null; - } - - public T nextElement() { - // ask for the next element of the current enum. - if (currentEnumeration() != null) { - return currentEnumeration().nextElement(); - } - - // no more elements in this Enum - // We must throw a NoSuchElementException - throw new NoSuchElementException("No more elements"); - } - - private Enumeration<T> currentEnumeration() { - if (enumerations != null) { - if (index < enumerations.length) { - Enumeration<T> e = enumerations[index]; - if (e == null || !e.hasMoreElements()) { - // the current enum is null or empty - // we probably want to switch to the next one - e = findNextEnumeration(true); - } - return e; - } - } - return null; - } -} diff --git a/java/sca/modules/common-java/src/main/java/org/apache/tuscany/sca/common/java/collection/CompoundIterator.java b/java/sca/modules/common-java/src/main/java/org/apache/tuscany/sca/common/java/collection/CompoundIterator.java deleted file mode 100644 index 997ba89881..0000000000 --- a/java/sca/modules/common-java/src/main/java/org/apache/tuscany/sca/common/java/collection/CompoundIterator.java +++ /dev/null @@ -1,113 +0,0 @@ -/* - * 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.tuscany.sca.common.java.collection; - -import java.util.Collection; -import java.util.Iterator; -import java.util.NoSuchElementException; - -public class CompoundIterator<T> implements Iterator<T> { - private Iterator<T>[] iterators = null; - private int index = 0; - - public CompoundIterator(Iterator<T>... iterators) { - this.iterators = iterators; - } - - @SuppressWarnings("unchecked") - public CompoundIterator(Collection<T>... collections) { - this.iterators = new Iterator[collections.length]; - for (int i = 0; i < collections.length; i++) { - this.iterators[i] = collections[i].iterator(); - } - } - - public boolean hasNext() { - // if the current enum is null that means this enum is finished - if (currentIterator() == null) { - // No next enum - return false; - } - // If the current enum has more elements, lets go - return currentIterator().hasNext(); - } - - private Iterator<T> findNextIterator(boolean moveCursor) { - return findNextIterator(index, moveCursor); - } - - private Iterator<T> findNextIterator(int cursor, boolean moveCursor) { - // next place in the array - int next = cursor + 1; - // If the cursor is still in the array - if (next < iterators.length) { - - // If there is something in that place - // AND the enum is not empty - if (iterators[next] != null && iterators[next].hasNext()) { - // OK - if (moveCursor) { - index = next; - } - return iterators[next]; - } - // Try next element - return findNextIterator(next, moveCursor); - } - // No more elements available - return null; - } - - public T next() { - // ask for the next element of the current enum. - if (currentIterator() != null) { - return currentIterator().next(); - } - - // no more elements in this Enum - // We must throw a NoSuchElementException - throw new NoSuchElementException("No more elements"); - } - - public void remove() { - // ask for the next element of the current enum. - if (currentIterator() != null) { - currentIterator().remove(); - } - - // no more elements in this Enum - // We must throw a NoSuchElementException - throw new NoSuchElementException("No more elements"); - } - - private Iterator<T> currentIterator() { - if (iterators != null) { - if (index < iterators.length) { - Iterator<T> e = iterators[index]; - if (e == null || !e.hasNext()) { - // the current enum is null or empty - // we probably want to switch to the next one - e = findNextIterator(true); - } - return e; - } - } - return null; - } -} diff --git a/java/sca/modules/common-java/src/main/java/org/apache/tuscany/sca/common/java/collection/LRUCache.java b/java/sca/modules/common-java/src/main/java/org/apache/tuscany/sca/common/java/collection/LRUCache.java deleted file mode 100644 index d3f472d463..0000000000 --- a/java/sca/modules/common-java/src/main/java/org/apache/tuscany/sca/common/java/collection/LRUCache.java +++ /dev/null @@ -1,88 +0,0 @@ -/* - * 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.tuscany.sca.common.java.collection; - -import java.util.LinkedHashMap; -import java.util.Map; - -/** - * A Simple LRU Cache - * - * @version $Revision$ - * @param <K> - * @param <V> - */ - -public class LRUCache<K, V> extends LinkedHashMap<K, V> { - private static final long serialVersionUID = -342098639681884413L; - protected int maxCacheSize = 4096; - - /** - * Default constructor for an LRU Cache The default capacity is 4096 - */ - public LRUCache() { - this(0, 4096, 0.75f, true); - } - - /** - * Constructs a LRUCache with a maximum capacity - * - * @param maximumCacheSize - */ - public LRUCache(int maximumCacheSize) { - this(0, maximumCacheSize, 0.75f, true); - } - - /** - * Constructs an empty <tt>LRUCache</tt> instance with the specified - * initial capacity, maximumCacheSize,load factor and ordering mode. - * - * @param initialCapacity the initial capacity. - * @param maximumCacheSize - * @param loadFactor the load factor. - * @param accessOrder the ordering mode - <tt>true</tt> for access-order, - * <tt>false</tt> for insertion-order. - * @throws IllegalArgumentException if the initial capacity is negative or - * the load factor is non-positive. - */ - - public LRUCache(int initialCapacity, int maximumCacheSize, float loadFactor, boolean accessOrder) { - super(initialCapacity, loadFactor, accessOrder); - this.maxCacheSize = maximumCacheSize; - } - - /** - * @return Returns the maxCacheSize. - */ - public int getMaxCacheSize() { - return maxCacheSize; - } - - /** - * @param maxCacheSize The maxCacheSize to set. - */ - public void setMaxCacheSize(int maxCacheSize) { - this.maxCacheSize = maxCacheSize; - } - - @Override - protected boolean removeEldestEntry(Map.Entry<K, V> eldest) { - return size() > maxCacheSize; - } -} |