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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /mobile/android/thirdparty/ch/boye/httpclientandroidlib/pool/RouteSpecificPool.java | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'mobile/android/thirdparty/ch/boye/httpclientandroidlib/pool/RouteSpecificPool.java')
-rw-r--r-- | mobile/android/thirdparty/ch/boye/httpclientandroidlib/pool/RouteSpecificPool.java | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/mobile/android/thirdparty/ch/boye/httpclientandroidlib/pool/RouteSpecificPool.java b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/pool/RouteSpecificPool.java new file mode 100644 index 000000000..7023f79aa --- /dev/null +++ b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/pool/RouteSpecificPool.java @@ -0,0 +1,184 @@ +/* + * ==================================================================== + * 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. + * ==================================================================== + * + * This software consists of voluntary contributions made by many + * individuals on behalf of the Apache Software Foundation. For more + * information on the Apache Software Foundation, please see + * <http://www.apache.org/>. + * + */ +package ch.boye.httpclientandroidlib.pool; + +import java.util.HashSet; +import java.util.Iterator; +import java.util.LinkedList; +import java.util.Set; + +import ch.boye.httpclientandroidlib.annotation.NotThreadSafe; +import ch.boye.httpclientandroidlib.util.Args; +import ch.boye.httpclientandroidlib.util.Asserts; + +@NotThreadSafe +abstract class RouteSpecificPool<T, C, E extends PoolEntry<T, C>> { + + private final T route; + private final Set<E> leased; + private final LinkedList<E> available; + private final LinkedList<PoolEntryFuture<E>> pending; + + RouteSpecificPool(final T route) { + super(); + this.route = route; + this.leased = new HashSet<E>(); + this.available = new LinkedList<E>(); + this.pending = new LinkedList<PoolEntryFuture<E>>(); + } + + protected abstract E createEntry(C conn); + + public final T getRoute() { + return route; + } + + public int getLeasedCount() { + return this.leased.size(); + } + + public int getPendingCount() { + return this.pending.size(); + } + + public int getAvailableCount() { + return this.available.size(); + } + + public int getAllocatedCount() { + return this.available.size() + this.leased.size(); + } + + public E getFree(final Object state) { + if (!this.available.isEmpty()) { + if (state != null) { + final Iterator<E> it = this.available.iterator(); + while (it.hasNext()) { + final E entry = it.next(); + if (state.equals(entry.getState())) { + it.remove(); + this.leased.add(entry); + return entry; + } + } + } + final Iterator<E> it = this.available.iterator(); + while (it.hasNext()) { + final E entry = it.next(); + if (entry.getState() == null) { + it.remove(); + this.leased.add(entry); + return entry; + } + } + } + return null; + } + + public E getLastUsed() { + if (!this.available.isEmpty()) { + return this.available.getLast(); + } else { + return null; + } + } + + public boolean remove(final E entry) { + Args.notNull(entry, "Pool entry"); + if (!this.available.remove(entry)) { + if (!this.leased.remove(entry)) { + return false; + } + } + return true; + } + + public void free(final E entry, final boolean reusable) { + Args.notNull(entry, "Pool entry"); + final boolean found = this.leased.remove(entry); + Asserts.check(found, "Entry %s has not been leased from this pool", entry); + if (reusable) { + this.available.addFirst(entry); + } + } + + public E add(final C conn) { + final E entry = createEntry(conn); + this.leased.add(entry); + return entry; + } + + public void queue(final PoolEntryFuture<E> future) { + if (future == null) { + return; + } + this.pending.add(future); + } + + public PoolEntryFuture<E> nextPending() { + return this.pending.poll(); + } + + public void unqueue(final PoolEntryFuture<E> future) { + if (future == null) { + return; + } + + this.pending.remove(future); + } + + public void shutdown() { + for (final PoolEntryFuture<E> future: this.pending) { + future.cancel(true); + } + this.pending.clear(); + for (final E entry: this.available) { + entry.close(); + } + this.available.clear(); + for (final E entry: this.leased) { + entry.close(); + } + this.leased.clear(); + } + + @Override + public String toString() { + final StringBuilder buffer = new StringBuilder(); + buffer.append("[route: "); + buffer.append(this.route); + buffer.append("][leased: "); + buffer.append(this.leased.size()); + buffer.append("][available: "); + buffer.append(this.available.size()); + buffer.append("][pending: "); + buffer.append(this.pending.size()); + buffer.append("]"); + return buffer.toString(); + } + +} |