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"use strict";
var MongoError = require('mongodb-core').MongoError
, f = require('util').format;
// The store of ops
var Store = function(topology, storeOptions) {
var self = this;
var storedOps = [];
storeOptions = storeOptions || {force:false, bufferMaxEntries: -1}
// Internal state
this.s = {
storedOps: storedOps
, storeOptions: storeOptions
, topology: topology
}
Object.defineProperty(this, 'length', {
enumerable:true, get: function() { return self.s.storedOps.length; }
});
}
Store.prototype.add = function(opType, ns, ops, options, callback) {
if(this.s.storeOptions.force) {
return callback(MongoError.create({message: "db closed by application", driver:true}));
}
if(this.s.storeOptions.bufferMaxEntries == 0) {
return callback(MongoError.create({message: f("no connection available for operation and number of stored operation > %s", this.s.storeOptions.bufferMaxEntries), driver:true }));
}
if(this.s.storeOptions.bufferMaxEntries > 0 && this.s.storedOps.length > this.s.storeOptions.bufferMaxEntries) {
while(this.s.storedOps.length > 0) {
var op = this.s.storedOps.shift();
op.c(MongoError.create({message: f("no connection available for operation and number of stored operation > %s", this.s.storeOptions.bufferMaxEntries), driver:true }));
}
return;
}
this.s.storedOps.push({t: opType, n: ns, o: ops, op: options, c: callback})
}
Store.prototype.addObjectAndMethod = function(opType, object, method, params, callback) {
if(this.s.storeOptions.force) {
return callback(MongoError.create({message: "db closed by application", driver:true }));
}
if(this.s.storeOptions.bufferMaxEntries == 0) {
return callback(MongoError.create({message: f("no connection available for operation and number of stored operation > %s", this.s.storeOptions.bufferMaxEntries), driver:true }));
}
if(this.s.storeOptions.bufferMaxEntries > 0 && this.s.storedOps.length > this.s.storeOptions.bufferMaxEntries) {
while(this.s.storedOps.length > 0) {
var op = this.s.storedOps.shift();
op.c(MongoError.create({message: f("no connection available for operation and number of stored operation > %s", this.s.storeOptions.bufferMaxEntries), driver:true }));
}
return;
}
this.s.storedOps.push({t: opType, m: method, o: object, p: params, c: callback})
}
Store.prototype.flush = function(err) {
while(this.s.storedOps.length > 0) {
this.s.storedOps.shift().c(err || MongoError.create({message: f("no connection available for operation"), driver:true }));
}
}
var primaryOptions = ['primary', 'primaryPreferred', 'nearest', 'secondaryPreferred'];
var secondaryOptions = ['secondary', 'secondaryPreferred'];
Store.prototype.execute = function(options) {
options = options || {};
// Get current ops
var ops = this.s.storedOps;
// Reset the ops
this.s.storedOps = [];
// Unpack options
var executePrimary = typeof options.executePrimary === 'boolean'
? options.executePrimary : true;
var executeSecondary = typeof options.executeSecondary === 'boolean'
? options.executeSecondary : true;
// Execute all the stored ops
while(ops.length > 0) {
var op = ops.shift();
if(op.t == 'cursor') {
if(executePrimary && executeSecondary) {
op.o[op.m].apply(op.o, op.p);
} else if(executePrimary && op.o.options
&& op.o.options.readPreference
&& primaryOptions.indexOf(op.o.options.readPreference.mode) != -1) {
op.o[op.m].apply(op.o, op.p);
} else if(!executePrimary && executeSecondary && op.o.options
&& op.o.options.readPreference
&& secondaryOptions.indexOf(op.o.options.readPreference.mode) != -1) {
op.o[op.m].apply(op.o, op.p);
}
} else if(op.t == 'auth') {
this.s.topology[op.t].apply(this.s.topology, op.o);
} else {
if(executePrimary && executeSecondary) {
this.s.topology[op.t](op.n, op.o, op.op, op.c);
} else if(executePrimary && op.op && op.op.readPreference
&& primaryOptions.indexOf(op.op.readPreference.mode) != -1) {
this.s.topology[op.t](op.n, op.o, op.op, op.c);
} else if(!executePrimary && executeSecondary && op.op && op.op.readPreference
&& secondaryOptions.indexOf(op.op.readPreference.mode) != -1) {
this.s.topology[op.t](op.n, op.o, op.op, op.c);
}
}
}
}
Store.prototype.all = function() {
return this.s.storedOps;
}
// Server capabilities
var ServerCapabilities = function(ismaster) {
var setup_get_property = function(object, name, value) {
Object.defineProperty(object, name, {
enumerable: true
, get: function () { return value; }
});
}
// Capabilities
var aggregationCursor = false;
var writeCommands = false;
var textSearch = false;
var authCommands = false;
var listCollections = false;
var listIndexes = false;
var maxNumberOfDocsInBatch = ismaster.maxWriteBatchSize || 1000;
var commandsTakeWriteConcern = false;
var commandsTakeCollation = false;
if(ismaster.minWireVersion >= 0) {
textSearch = true;
}
if(ismaster.maxWireVersion >= 1) {
aggregationCursor = true;
authCommands = true;
}
if(ismaster.maxWireVersion >= 2) {
writeCommands = true;
}
if(ismaster.maxWireVersion >= 3) {
listCollections = true;
listIndexes = true;
}
if(ismaster.maxWireVersion >= 5) {
commandsTakeWriteConcern = true;
commandsTakeCollation = true;
}
// If no min or max wire version set to 0
if(ismaster.minWireVersion == null) {
ismaster.minWireVersion = 0;
}
if(ismaster.maxWireVersion == null) {
ismaster.maxWireVersion = 0;
}
// Map up read only parameters
setup_get_property(this, "hasAggregationCursor", aggregationCursor);
setup_get_property(this, "hasWriteCommands", writeCommands);
setup_get_property(this, "hasTextSearch", textSearch);
setup_get_property(this, "hasAuthCommands", authCommands);
setup_get_property(this, "hasListCollectionsCommand", listCollections);
setup_get_property(this, "hasListIndexesCommand", listIndexes);
setup_get_property(this, "minWireVersion", ismaster.minWireVersion);
setup_get_property(this, "maxWireVersion", ismaster.maxWireVersion);
setup_get_property(this, "maxNumberOfDocsInBatch", maxNumberOfDocsInBatch);
setup_get_property(this, "commandsTakeWriteConcern", commandsTakeWriteConcern);
setup_get_property(this, "commandsTakeCollation", commandsTakeCollation);
}
exports.Store = Store;
exports.ServerCapabilities = ServerCapabilities;
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